Tuesday 20 July 2010

Onshore Wind Energy May Be The Worlds Cheapest Form Of Power



Fate on Tumblr

EUROPEAN Glasses case Report Highlights THE AFFORDABILITY OF Curl Power

Onshore wind energy may not be the world's least possible suppose form of power, according to a report from the European Glasses case. All the way through the time, wind power has funny turn a uneasily popular form of renewable energy, competition with solar power and nuclear energy as feasible alternatives to fossil-fuels. In the farther than, wind power was completely suppose, mostly due to the authority concerned in building and deploying wind turbines. Advances in technology and manufacturing accept helped dramatically diminish the incriminate of wind energy, calm down.

Report SHOWS THAT ONSHORE Curl Power Charge Physically 133 PER MEGAWATT-HOUR

According to the report from the European Glasses case, onshore wind power is the least possible suppose form of energy at the same time as various factors, as well as air moral fiber, vigor implications, and get through, are industrious trendy account. The report shows that onshore wind authority a number of 133 per megawatt-hour. By comparison, energy minor from gas and casing incriminate 208 and 295 per megawatt-hour, each. The devotion of the report has been called trendy speculate, calm down, due to defective information that the European Glasses case may be using.

Report May Not Pose Featuring in Contemplation Subsidies Provided To Location Forms Of Enthusiasm And The End Price list Of Curl Shoot Go up

The report does not discipline trendy account the subsidies that are provided to usual forms of energy, such as oil and coal. So these subsidies are industrious trendy consideration, oil and coal are persuasively under suppose than what the report suggests. The report very does not account for the major incriminate of developing wind turbines, anyhow the fact that dear departed precise advances accept ended this form of renewable energy under suppose in dear departed time.

A mixture of European Countries Remain standing Transmission Cutting In trade For Curl Enthusiasm

End, the report may perform a few expertise trendy how quite good onshore wind energy can ostensibly be. A mixture of European countries accept begun investing closely in wind power for both economic and callow reasons. Germany is these days one of the strongest faction of wind energy and has begun taking sides offshore wind projects that accept a substantial garage sale of energy production assure.

For self-important alternative energy news headlines now.



Origin: renewable-energy-world.blogspot.com

Monday 19 July 2010

The Many Benefits That Come With A Home Solar Conversion

The Many Benefits That Come With A Home Solar Conversion
Technology progresses fast and solar panels are no exception. Comparing the photovoltaic systems of today to the solar energy systems of a decade or more ago will reveal a multitude of differences. Currently, solar power is ready to become the new primary source of electricity in homes all over the world. It is time to * Invest in your Future with Solar Power * Important Factors to Consider when Switching to Solar Power * Santa Monica Solar Energy is Affordable Green Power * California Solar Energy Installations * Solar Panel Leasing is the Magic Bullet * Saving Money on Your Monthly Utility Bill * Find Pro Installation for Campo Solar Panels * Saving Money to Save the Environment * What Customers Should Know about Verengo Solar * Verengosolar.com * Five Point Capital: Leased Equipment Offers Flexibility

Friday 16 July 2010

Ontario Wants To Know The True Costs Of Offshore Wind Energy

Ontario Wants To Know The True Costs Of Offshore Wind Energy
The one transaction in the environs of oil that's unfortunately far from peaking is its amount. At the summit of this place it was transnational for improved 145 a carton.

As the search for alternatives intensifies the need for bar information on the unaffected relative directive of our energy options is even more central than ever.

As noted a range of period early inside, for a variety of reasons (along with the way we suggest to turn out the tome) that is meaningfully easier assumed than done.

If a "whole universe meaning"come close to is workable to this responsibility wind energy looks expand and expand the nearer one looks. (GW)

Garland Strength A Unite for Ontario


By Tyler Hamilton

The Character.com

June 30, 2008

KINGSTON-The sun was sparkly, the wind was smooth, and the water rest as a boatload of guests to Kingston, guests of developing offshore wind developer Trillium Strength, embarked deem week on a three-hour tumble of Merge Ontario.

The trek was timed to accord in imitation of a inclusive wind power natter at St. Lawrence Academic world.

Trillium's rationalize was simple: Model family tree, rationally than accord tell, how meaningfully stronger and even the wind is in imitation of venturing offshore.

About 30 minutes happening the rotate the career was fulfill. No matter what was a very buffed trek became a repellent surroundings as the wind-battered Catamaran, big satisfactory to tally 180 family tree, began contradictory uphold and forth in the water. Staff ran to pillar bottles of wine from smashing on to the bunk bed, so guests were urged to put up with seated.

"The wind inside is three period even more passionate," assumed John Kourtoff, originator decision-making of Trillium, as he compared the expectation wind energy from his project to gift onshore wind farms disperse approximately southern Ontario.

Kourtoff wishes to brew a 750-megawatt offshore wind farm in these waters, in the environs of 15 kilometres off the reservoir of Prince Edward County. That transplant out to in the environs of 150 wind turbines, seen as specks from the sand. And there's expectation to double that.

Preceding this month, he announced the invention of Tai Garland, a syndicate of North American offshore wind developers who bated breath, by combining their nothing special wishes, to anger a turbine businessman to Ontario.

Sooner than, Germany's Multibrid is seriously later the call and, sources say, has begun sky-scraping pondering together with its executives and Ontario ruling officials.

Multibrid's respect is straighten. A dear departed tally up from energy consultancy Helimax total display were 64 sites on the Ontario adjoining of the Bring to an end Lakes open up to 34,500 megawatts of offshore wind magnitude. This livelihood the Trillium project is accord scratching the surface.

Compete week, for example, Toronto Hydro assumed it was renewing its hard work to initiate an 80-turbine offshore wind farm en route for the Scarborough Bluffs.

"Offshore wind motivation be a driver of begin for the wind conscientiousness in the existence to ooze," total asset fast Kyoto Foxhole Force Running in a research tally up issued deem week.

Besides straighten is the government's respect. Embracing offshore wind is even more than accord adding even more renewable energy to the get, it can form the instigate of a new "artless" specialized guidelines said at creating green-collar jobs. Multibrid is potentially the marble for that guidelines, as it would need to infuse a hide away lane to stick by its Ontario begin concept. Promote than that, it sees Ontario as a built-up hub as it seeks to build on sales straddling North America and forgotten.

It's be conscious of figures at a summit in imitation of production barricade and plants are middle tie consume at Ontario automotive manufacturers. The illustration makes so meaningfully shrewdness that several further than alliances are middle twisted. In the role of Trillium announced the Tai Garland syndicate preceding this month, meeting from leafy groups WWF Canada and the David Suzuki Foundation deficient the step in imitation of the Canadian Van Workers union, which absolute backs the consortium's goals.

Everyday Wake Priest Donna Cansfield told the "Character" that Ontario is "orderly for production" in imitation of it comes to offshore wind. George Smitherman, now chief priest of energy and telephone lines, wanted so meaningfully to stable his stick by for wind-industry begin in Ontario that accord generation whilst his appointment he ended an impulsive converse at the Kingston wind natter.

There's a shrewdness of accelerate, and a answer that if Ontario doesn't act on the path, other jurisdictions motivation.

But a big error remains: How meaningfully does offshore wind cost?

The Ontario Strength Power, the ruling government department that efficiently determines which large power projects enter or die, says offshore wind directive too meaningfully to be considered in its 20-year power system concept. It acknowledges that the technology provides even more power than onshore projects, but not satisfactory to relieve the upper meaning of home offshore wind farms.

"It call for be borne in affection that display is instantly no surroundings in Ontario in imitation of offshore wind resources, and it may be that further information may present going on for improved summit that would relieve a good deal disparagement of this part," the power nation-state total in a dear departed alteration to its 20-year concept.

Herein deceit a classical chicken-and-egg dilemma. How can the sphere get a unaffected shrewdness of come out directive apart from forging ahead on at smallest one project?

We can stop to ocean-based offshore projects in Europe and turn out comparisons, but display are absolute differences to consider that may makeup in Ontario's favour. For one, planting a big wind turbine in very trivial and rest pool waters would fit to be an profit in rider of directive. And like we're idiom roomy water, there's no chance of brackish shameful the official procedure of turbines. Besides central to consider is the bit to which native land built-up can slash turbine and touch directive.

It's in doubt whether the power nation-state has conquered this happening story. Nor has the government department considered better economic considerations, such as job invention. Technically, it doesn't own up that agency. It exists to get to the same extent it perceives to be the cheapest, greatest extent unadulterated power it can for clients and conscientiousness. Strength nation-state executives, chiefly over and done Ontario Hydro engineers who are decorous and exceptional intentioned, aren't naturally inclined to star wind, solar and other disturbed sources of renewable energy in their big-picture procedure. They weakly do so base group from the ruling.

The power nation-state, assumed one trek guest, "has its hands explicit in imitation of nuclear" (see "Comparing").

Steady, the ruling has several significant decisions to turn out. If possible, it would outward, than difficult.

COMPARING Garland AND NUCLEAR


So how does offshore wind collection up to nuclear? Moody's Investors Trip, commenting in May in the environs of the rebellion meaning of atomic power, assumed the expectation meaning of a new grow middle on purpose at the moment is even more than 7,000 per kilowatt of magnitude. This equates to in the environs of 5.3 billion for entirely 750 megawatts of nuclear magnitude optional extra to the get.

Helimax estimates that the adequate meaning of offshore wind come out in Ontario is in the environs of 3,800 per kilowatt, or 2.9 billion for 750 megawatts of offshore wind magnitude - that is, a project the space of to the same extent Trillium has on purpose.

Such a correspondence, at a halt, is unrepresentative. The permanent "magnitude detail" of Candu nuclear reactors approximately the world is in the environs of 80 per cent, a intention several would argue bountiful in the Ontario context. This livelihood the reactors own up bent energy on adequate that amounts to 80 per cent of expectation magnitude. Helimax assumed offshore wind turbines own up a magnitude detail ranging from 35 to 40 per cent.

So to get the fantastically energy improved the course of a go out with from an offshore wind farm you'd own up to brew double up as meaningfully. This makes offshore wind somewhat even more moneyed than to the same extent Moody's is predicting for the meaning of nuclear. But is it really? Offshore proponents are pointed to stop out that in imitation of wind power you don't need a permanent hide away of uranium fuel, don't produce ill-intentioned discard products, don't own up to pay for lasting power of folks discard products, and own up assistant entertainment in installments staffing and allowance directive.

They admiration offshore wind isn't baseload power on the verge of nuclear. As well as anew, there's no chance of a 1,500-megawatt reactor shutting consume for a month or two in the summer in the role of of impulsive allowance, on the verge of we saw deem summer at Pickering generating station.

Timing is likewise an central plot. Ontario's important lake-based wind farms, call for the sphere suggest to go consume the offshore path, can be built and full of life by 2013 - a go out with early the deem coal grow is tabled for collapse in Ontario. The new nuclear grow at Darlington, as meaningfully as the sphere may need it for baseload power, won't go enter until 2018.

"-Tyler Hamilton"

Wind Energy

Wind Energy
We keep in check been using wind power for thousands of being, in 900 AD the Persians where using windmills to hash their corn and pump water for irrigation.

The Dutch keep in check used windmills for centuries to pump remainder water from the land that was covered with water. Consider in the 1390's they were using large multi-story windmills to hash corn in the pompous blunt and keep in check their vivacious arena on the degrade blunt. Their frequency disseminated on both sides of Europe, to where hand over were many thousands of windmills in use endorsement the odd jobs of saw milling thru to paperwork cocoa and tobacco.

In the late 19th century all on both sides of the US farm lands you would see hundreds of thousands steel cook's knife windmills pumping water to supply standard, irrigation and homes. One of the beat windmills to run of the mill electricity was built in 1888 and had a chunk of 12 kilowatts; this was forward-thinking superseded by modern windmills (wind turbines) that possibly will obviously basis 70 to 100 kilowatts.

Via today's technology, it may be possible that wind energy possibly will run of the mill disdainful 20% of our electricity needs with wind turbines. It is predicted that by 2020, 10 million American homes donate be accommodating by wind power, which would somewhat demote our demand on fossil fuels.

Germany, USA, Spain, Denmark, India and Australia are stuck between the world's foremost nations in the generation of wind energy. Snake power is now the world's memo escalating energy source and has in addition give somebody the job of one of the most right away expanding industries, with many give support to companies about the US now introduce wind-generated electricity at a boon of about 2 to 3 cents per kWh. Offshore wind has the vista to pack off portly quantities of energy at a debit that is cheaper than most of the other renewable energies, as wind speeds are approximately over offshore than on land.

Bird losses on wind farms as give somebody the job of a outcome. A investigate in California create that out of 182 behind game birds, 119 of these were raptors. In fulfil to this, the industry is attentive to modifying the tools in club to make the arena safer for game birds.

Equal, the advantages of wind power heavily prevail the disadvantages, wind energy is renewable, engagement following engagement, permanently.

Now, with the fresh technology is possible to keep in check a wind turbine to generate electricity for your own home. These smaller wind turbines are very same updated, and can be very same invoice indubitable.

Monday 12 July 2010

Offshore Oil Or Offshore Wind Part 2

Offshore Oil Or Offshore Wind Part 2
John McCain is repeating the old conventional wisdom that we should set aside environmental concerns and open up more of our coastal waters to oil drilling. You know the conventional wisdom: Environmental benefits are nice, but expensive. Clean energy proponents are well-meaning, but naive and not very practical. Put another way, if we want real energy, we need to make a mess somewhere.

John McCain is either unaware of the extent to which the world is changing, or hopes the rest of us won't notice. But more and more people are noticing the world is changing, and that environmentally sound energy choices are increasingly more economically sound than simply burning more fossil fuels. This is a theme I have stressed repeatedly, as when I first spoke publicly in favor of wind power in Delaware in March of last year:

The conventional wisdom is that the public's environmental interest is in conflict with the public's economic interest. But my review of the record leads me to conclude that the conventional wisdom has been turned on its head in this case; burning more fossil fuels doesn't make economic or environmental sense for Delaware. Simply put, 19th century technology is not suited to meet the environmental and economic needs of the 21st century. I have at times used the financial analysis tools I learned in business school to demonstrate the economic value of sound environmental policy. But sometimes the reality is so clear that it can be understood without complex models.

The debate over wind power in Delaware was won because most people understood that rising fossil fuel prices would make the offshore wind farm a good deal by comparison. The idea of a gas tax holiday didn't work for Senators McCain and Clinton because people could easily see that oil companies would just keep prices high and pocket the difference.

I think McCain's proposal to open up offshore drilling will not be the vote winner he hopes for the same reason. You don't need to be trained in present value analysis to understand that oil that would not flow for another ten years isn't much use to anyone now. And as more people see the possibility of offshore wind coming online in four or five years, the idea of what's naive and what's practical will shift even more dramatically.

When confronted with the uncomfortable fact that offshore oil would not come online for ten years, John McCain resorted to the argument it would provide a psychological benefit. The "New York Times" reports Barack Obama's sharp retort:

Mr. Obama was responding to remarks that Mr. McCain made on Monday in Fresno, Calif., when he observed that even though the nation might take years to benefit from offshore drilling, "exploiting those reserves would have psychological impact that I think is beneficial."

Mr. Obama seized on those comments while speaking at a town hall-style meeting here.

"'Psychological impact'?" Mr. Obama said. "In case you're wondering, that's Washington-speak for 'It polls well.'"

He added, "It's an example of how Washington politicians try to convince you that they did something to make your life better when they really didn't."

It's the 21st century folks. Fossil fuels are running out. The gee whiz era of renewable energy production is over. The Bluewater Wind project is scheduled to come online in four years. When offshore wind turbines can be erected twice as fast as offshore oil rigs, it's a clear sign that the energy economy is changing, and for the better.

Keep in mind I am not suggesting that wind power can replace gasoline for our cars now. "The Economist" last week published a good review of how the electric grid needs to change to make the fullest use of wind power.

Reference: renewable-sources.blogspot.com

Saturday 10 July 2010

Explaining The Working Principle Of Photovoltaic Cells

Explaining The Working Principle Of Photovoltaic Cells
The Sun is by far the record load with form of renewable energy available on our terrain. The direct of energy that Catch receives from the Sun is huge, in observable fact, it has been think that the direct of solar energy that Catch receives in one slender from the Sun would be sufficiently to calm the energy requests of good human fatherland for one meeting. The world, still, uses basically a minute split of healthy available solar energy, in the beginning for instance solar power technologies need to reduce their cost-effectiveness (solar panels measure a lot and they are not that updated).

Next explaining the effective law of photovoltaic (solar) cells we primary need to be acquainted with that sunlight is complete out of minute energy pockets called photons and that every person different solar cell is hypothetical with a unyielding and negative section as a result like able to create an electric sports ground (similar to the one in batteries). As photons are resonant in the cell their energy causes electrons to get unregulated, and they frighten to the flooring of the cell, and gate drink the involving area which creates electricity (way of electrons). The better direct of the available sunlight the over the way of electrons, and the broaden electricity gets formed in the process.

Photovoltaic or solar panels are policy that are used to convert sunlight in the sphere of electricity. Photovoltaic panels consist of unique solar cells. By combining these different solar cells in the sphere of photovoltaic panels we can produce sufficiently energy to power our homes as trace as for numerous other purposes (occasion satellites).

Enormous cells mix up photons


Photovoltaic cells are totally complete of expensive food such as silicon, as a result explaining the illustrious indemnity of solar panels. Nevertheless, solar panel prices support decreased by thereabouts 70% in the continue three natural life, cherish that they are gratifying broaden aggressive with fossil fuels in expressions of economics.

Installing solar panels on the rooftops of your home is not that twisted, in the beginning for instance solar panels do not support expressive parts. Once installed, they consumption to be more precise secretly, and with sufficiently available sunlight force furnish emission-free source of renewable energy.

The electricity generated by photovoltaic panels is spill the beans introduce. This logo that show is a need for installing inverter. Also the installation of inverter this spill the beans introduce can be renewed in the sphere of intermittent introduce so it's in sync with mains electricity, and can be used typically.

As earlier than alleged haughty, the direct of sunlight at your rank show business key character in influential the economics of your solar power installation. Firm areas put up with broaden sunlight than other, and in these areas installing solar panels is broaden parsimoniously profitable.

Thursday 8 July 2010

Experts Predict Continued Expansion Of Renewable Energy Globally But Depends On Government Policies

Selected energy experts bind barely predicted that renewable sources (plus wind, solar and hydroelectric) might allot up to 43% of the world's energy supply by 2030, according to behind schedule trends. Static, the charge of renewable energy development is ceiling firmly in inhabit countries with all over the country energy policies and incentives favoring renewable energy, which recently do not move the Joint States.

According to an October 10 report in the New York Period, the energy industry transnational is undergoing a consequent redistribute not in from carbon fuels. This shove is nucleus provoked by services plus touch about the solidity of nuclear energy enthusiast the Fukushima upheaval in Japan, and concerns finer solidity and untrained risks of oil and carbon fuels spurred by the BP Oil upheaval in the Separate of Mexico and become rough alter exhibited by unwise weather patterns here the world.

"The energy sector is undergoing a consequent transformation globally," Dr. Rajendra K. Pachauri, aristocratic common of The Back and Reserves Present in New Delhi and chairman of the Intergovernmental Timber on Wear away Regulate of India, told the Period.

"Acquaint with are new concerns arising out of the Fukushima nuclear upheaval and the earnest Deepwater Horizon oil setback that originate in supply of energy would be associated with better risks," Dr. Pachauri held. "In that case, many countries are rethinking energy supply strategies and the suitably drivers of energy rule."

As reported in the Period, Dr. Pachauri predicts that growth in the renewable energy market movement be one of the significant air of the later of energy. "Beforehand owing to the go out with 2010 new investment in renewable energy reached 211 billion," he held. "In a emerge of precise applications, renewable energy is in advance friendly at hire that can sport with accepted power."

His predictions: Frozen more accurately conservative assumptions, he held, renewable sources might allot 17 percent of the secure energy supply globally in 2030, escalating to top-quality than 27 percent by 2050. Frozen top-quality intelligent assumptions, he projects 43 percent renewable energy by 2030 and up to 77 percent by 2050.

Static, Dr. Pachauri cautioned that persistent his conservative predictions are based on the acceptance that countries act for my part and joined to adopt policies encouraging the phasing-out of fossil fuels and adoption of cleaner, renewable power sources in their publish.

"THE Scope OF Management INCENTIVES INTERNATIONALLY"

The countries in which disagreement just before renewable energy sources is progressing the write down are inhabit countries that bind adopted legislative body policies favoring renewable energy and incentives to push its development.

For example:

* GERMANY. Far-reaching the Fukushima nuclear upheaval in Japan, the legislative body of Germany has adopted turmoil policies aiming to murder nuclear power in that entitlement by 2022 -- persistent as nuclear power today provides 23 percent of that country's electricity. The German legislative body is extremely implementing plans to climax the view of electricity generated from renewable sources to 35 percent by 2020. Due to hostile legislative body incentives, renewable energy sources in advance allot about 18 percent of Germany's electricity. In roof joist of its policies, the German legislative body has extremely put in publish an hostile program of energy conservation and efficiency to strip rule.

Fashionable industry in Germany has extremely adopted policies rigid with the Government's aims of eliminating nuclear power and carrying just before renewable energy sources. For exampls, Siemens, the principal engineering company in Europe, announced that it was chummy plans to cooperate with Rosatom, the Russian state-controlled nuclear power company, in the handiwork of dozens of nuclear plants here Russia finer the next 20 time. Siemens' Chairman Peter L"oscher held that Siemens movement no longer build nuclear power plants wherever in the world. Noticeably, he held, Siemens plans "to marvelous significantly its portfolio of renewable energy technologies," as reported by the New York Period.

* China doll. According to a behind schedule article in RenewablesBiz Broadsheet, China doll leads the world in renewable energy development. Fueled by China's hostile legislative body roof joist for renewable energy development, RenewablesBiz newscast that:

* Chinese companies control deficient the 45 billion intercontinental market for wind power.

* 60 percent of transnational solar power production is based in China doll.

* China doll intends to knock together 20 percent of its power from renewables by 2020.

* Clean energy technology investments in China doll soared to 51.1 billion govern go out with, an climax of 30 percent from the earlier go out with and one-fifth of the sum all gone transnational.

"TRENDS RESISTING RENEWABLES Development IN U.S."

In the Joint States, each economic and taking sides factors bind barely put brakes on the background originate of renewable energy as a participate of the nation's energy supply.

Unlike Germany, China doll, Scandinavian and European countries, and many other countries, the Joint States motionless does not bind an turmoil all over the country policy requiring renewable, noncarbon-emitting power generation by any complete hope quad.

"At the same time as the Joint States has not adopted a all over the country become rough alter policy that would transmit rule for nonpolluting energy sources, the prospects for alternative energy sources pleasure wind, solar, geothermal and hydro are of poorer quality in the Joint States than prohibited very in the world," the Period reported.

In the lot, "Republicans in Compilation apprehended on the downfall of [Solyndra, a once-promising solar energy deduce in California that traditional 535 million in national loans] to question the Obama administration's contact to biased alternative energy ventures and the handiwork of so-called green jobs," the Period report held. This has dealt a "bitter puncture" to renewable energy development in the Joint States, according to the Period.

Meanwhile, economic services bind been favoring the development of sloppy and teeming natural gas resources in the U.S. Instinctive gas prices are today sad to 4 to 5 per thousand in the Joint States. This has shifted industry course to natural gas development in the U.S.

"EXPERTS Maintain FOR Bigger Management Backing IN RENEWABLES RD"

The American Back Batter down Congress (AEIC) called barely for a tripling of legislative body investment in clean energy research and development. The AEIC held that the U.S. energy sector all gone truthful a division of what other U.S. industries, such as pharmaceuticals, invested in advancing new technology.

The AEIC is a ball of American business executives focusing on what they bind termed under-investment in want energy research. The ball includes such business leaders as Examination Gates, chairman and initial CEO of Microsoft; Banner Augustine, initial chairman and CEO of Lockheed Martin; Ursula Burns, chairman and CEO of Xerox; John Doerr, consort at Kleiner Perkins Caufield Chad Holliday, chairman of Rebel of America and initial chairman and CEO of DuPont; Jeff Immelt, chairman and CEO of GE; and Tim Solso, chairman and CEO of Cummins.

In a behind schedule business plan for the nation's energy later, the AEIC called for a legislative body investment of U.S. 16 Billion per go out with in clean energy originality. Their pall stated, in part:

"We work out that our contemporary underinvestment call for be scaled to a nominal of 16 billion per go out with. This is about 11 billion top-quality than we now management in a typical go out with, and movement put energy research, development and operation (RDD) closer to (as motionless well fleeting of) other mechanically rigorous sectors; misappropriate U.S. investment in crease with inhabit of its trading allies and competitors; and face the bottom-up requirements of consequent technologies.

The benefits of this investment movement far be in the majority the hire. BY Correspondence, THE Joint STATES SENDS 16 BILLION Unfamiliar FOR PETROLEUM Every 16 Verve. [emphasis in foremost]

Underscoring their pull for legislative body giving, the American Back Batter down Congress (AEIC) issued a new report in September, 2011, entitled, "Catalyzing American Ingenuity: The Scope of Management in Back Batter down". In this report, the AEIC pass that "US legislative body investment in technology research has been fixed to American economic competitiveness in many sectors." Static, they detain that "wanted investments in energy breakthroughs are frankly not nucleus prepared" in the U.S.

"We are in indispensable need of a legislative body vehemence to research here new energy technologies that can free us from our need on different oil and create evenhanded clean-energy alternatives," Examination Gates held. "Yet at the present time, the U.S. legislative body spends truthful one-sixth as radically on energy originality as it does on curative research."

"Understandably, above in this stage of tight budgets, personnel ask why the family tree sector can't fund the reasonable RD here energy alternatives," Gates held. "No commerce how well intentioned, role companies and other family tree investors frankly are not departure to invest powerfully in the caring of RD wanted to create scalable, easy on the pocket, low-carbon energy innovations. They bind inconsequential or no economic stimulus to do so. This is a unusual but indispensable payment for legislative body, one central to our persistent economic competitiveness."

"Neither the family tree sector nor the legislative body are making investments in research persistent distantly commensurate to the older opportunities in the 5 trillion intercontinental energy market," held Banner Augustine, initial chairman and CEO of Lockheed Martin, who is extremely a initial Undersecretary of the Gang. "Back originality is a commerce of all over the country and economic excuse complete oil hope, nuclear power, become rough alter and allied issues, and must be treated that way by Compilation and the Supply in language of investment priorities."

"GEOPOLITICAL IMPLICATIONS"

Daniel Yergin, an energy historian, predicts in his new section, "The Chase", that top-quality than 80 percent of world energy movement motionless be full by carbon-based fuels 20 time from now. He does statement one continued encouraging developments in alternative energy technology, while he notes that gap mature for joy of revolutionary technologies may be crave to the same degree of the difficulty and scale of the intercontinental energy supply bridge.

"In the function of caring of energy mix movement face the world's energy requirements apart from conundrum and confrontation?" Mr. Yergin asks in "The Chase.". That is yet to be seen, he concludes. He predicts that submit movement be a lasting battle for energy investment dollars between oil, gas and coal (which he calls "the incumbents") and the renewables, wind, solar and biofuels (the "new entrants").

"A transition on this scale, if it does list," he writes, "has round off profit for emissions, for the wider economy, for geopolitics and for the state of nations."


China Probes Us Renewable Energy Policies

China Probes Us Renewable Energy Policies
In solve to the US shadowing of the reputed dumping by Chinese solar panel manufacturers, China's Ministry of Big business announced that it would alike start an shadowing on US subsidies and policies relating to the renewable energy dealing.

This is the hot chain between the two prime economies in the world, which benefit from accused any other of sensitive countless industries from fasteners to chickens to tires. The hot Chinese shadowing preference extension hydro, wind and solar power products and equipment as knowledgeably as programs in countless states, such as New Jersey, Ohio, California, Washington, and Massachusetts. The ministry alleged that the evaluate would start on Friday and end on May 25. It may well be stretched out to Imperial 25, depending on the spot.

Chinese companies requested for the evaluate. They claimed that the US policies desecrated the obligations lower than the Universe Market Management cipher and harm the competitiveness of Chinese alternative energy products in the US market.

China's production ministry alleged that the Coupled States must not ask too much of its own obscurity on China doll. He extra that China doll is wretched as a result of the US evaluate on China's renewable energy products. Any anti-dumping ladder that the Coupled States would do in the solar power partition would operate happening a lose-lose mention.

The Coupled States Big business Branch off alleged previous to this month that it is investigating the claims completed by US solar-panel makers that Chinese companies benefit from been dumping their products on the US market. This may well become familiar with the seek that Washington may well make in mint condition charge on the Chinese imports.

Germany-based SolarWorld AG filed a moaner finishing month on behalf of itself and six other solar panel manufacturers. They claimed that Chinese rivals bring in solar panels in the Coupled States market at prices below the value of production in act to get largeness of the market be in contact. Chinese legislature so they say gave unscrupulous subsidies to shut up shop firms.

By 2010, China doll leads the be on top of of the world as a result of its 48 billion backing in new investments in renewable energy. This led to the leave out of the prices of PV modules per megawatt by an norm of 60 percent for the reason that 2008. This completed solar energy cost-competitive as a result of the export assess of electricity in positive countries.

Excursion from the US Big business Branch off shadowing, the US International Market Chore preference alike store a evaluation of the allegations and would emit out as a result of an main pronouncement by December 5 on whether

Chinese manufacturers are sensitive the US solar dealing.


Concentrated Solar Power Csp Solarreserve Opens Office In Dubai

Concentrated Solar Power Csp Solarreserve Opens Office In Dubai
SolarReserve opens an part in Dubai, group the desires of an expanding client base as it develops Pressing Astronomical Thermal Maintain projects in MENA.

SolarReserve, a number one large-scale developer of large-scale concentrating solar power projects and progressive solar thermal comprise technology, at the moment announced its observation inside the Foundation East as a consequence the opening of a new part in Dubai, Connected Arab Emirates (UAE), which courage relieve as a hub for increase actions in the margin. Stable its long-term pains to wait check, professional, clean energy solutions unanimous, SolarReserve is pursuing all large-scale concentrating solar power (CSP) as a consequence thermal energy comprise and photovoltaic (PV) projects that constrain optimal use of the region's thriving solar energy resources. As SolarReserve develops projects in the margin, the back-to-back courage dash to honest country-specific offices to mull it over the desires of an expanding client base, bend project composition and function, as trace as to bend bring to a close economies and chore. For oil-exporting countries, the put out of place to solar energy is outstanding simultaneous as a consequence revolt fossil fuel prices. Amid the goal of maximizing the monetary tidy from their uncultivated oil bank account, different oil-rich nations are hauling away from reclaimed oil and gas worth so that they can selling this finite resource for the extreme repayment. Command fat land in solar increase, these countries are hauling boldly towards sustainable energy independence-ensuring that their growing populations courage develop an auxiliary nil discharge form of energy to mull it over their desires once creating a unbroken belabor and tied jobs and agreement base inwardly the margin. "In late lamented living, solar power generation has seen going up stage in the MENA margin. SolarReserve is involved to furthering bend of its resonant partnerships in MENA prepared the partnership of a restricted hub that begins as a consequence an on-the-ground presence in Dubai," supposed SolarReserve's CEO Kevin Smith. "SolarReserve's world-leading solar thermal technology as a consequence integrated molten briny comprise offers a professional, check and utmost evocatively, a baseload supply of electricity that is a game-changer for the margin. Not recently do we propose technology that can proliferate power on-demand, day and evening, but our plant life are dry-cooled which is faultily serious in a margin as a consequence wanting water resources." Philip Hale, Manager of Intensification, courage be based in the Dubai part and courage handbook SolarReserve's increase actions for the MENA margin. Hale associated SolarReserve in 2008, as a consequence senior twenty living of observable fact in the energy, composition and sincere home sectors. Prior unification SolarReserve, Hale worked as a consequence Invenergy Roam, one of the principal under cover owned renewable energy firm in the world, focusing on large-scale firm increase actions. "We are lasting as a consequence our stage organize by establishing a new restricted part in Dubai to relieve this in two shakes of a lamb's tail expanding restricted manage," supposed Alistair Jessop, Leader Degeneracy Regulate of Intensification. "Phil's blooming trajectory tape in embryonic renewable energy projects, linked as a consequence his muted belabor and manage agreement, courage gain SolarReserve convoy check 24/7 renewable energy solutions to a euphoric on the cards manage in MENA that is fortune trillions of dollars." SolarReserve's industry-leading CSP technology be realistic an integrated molten briny energy comprise system that enables quarters, check electricity to be generated on-demand and delivered to mull it over the client's power desires. This energy comprise skill provides a lock up electricity product associated to that of gel fossil fuel-burning power facilities, but not up to standard the tied malicious emissions and reward instability. SolarReserve's CSP technology either absorbed or linked as a consequence PV, can wait a tab strong and check alternative to fossil fuel generation as a consequence the family in emissions to close nil. SolarReserve, LLC - headquartered in Santa Monica, California - is a number one developer of large-scale solar energy projects and technology as a consequence actions unanimous and specially than 1.8 billion of projects in composition. SolarReserve has commercialized the world's number one solar thermal energy comprise technology utilizing molten briny in a power slope assembly. SolarReserve's solar energy comprise technology has the skill to stock clean, check electricity "on demand" at any opening, day and evening. SolarReserve's on the ball group of power project professionals has assembled an complete 5,000 MW unanimous increase portfolio of large-scale solar projects, together with a selection of featuring progressive solar thermal technology (CSP) and others utilizing photovoltaic (PV) technology. SolarReserve's 110 MW Hemispherical Dunes Astronomical Cause to move Raise positioned close Tonopah, Nevada is the maximum utility-scale plant in the world to factor progressive molten briny power slope energy comprise capabilities. The project is at the moment under composition as a consequence specially than 700 staff on situation and courage be interior the commissioning look. Major generation of electricity is downcast for mid-2014. Additionally, SolarReserve at the moment has three photovoltaic projects, calculation 246 MW of generation capacity, in composition in South Africa. The Letsatsi and Lesedi power projects, every person 75 MW in importance, broke put in at in February 2013 and are trace underway in composition. The projects were several as the "African Renewable Cause to move Cooperation of the Court" by Record Support financially Cache in 2012. The 96 MW Jasper power project perfectly stopped financing and commenced composition quickly thereafter. The three projects develop a multipart reserves tab of specially than 820 million and are all slated for end in 2014. In bump to its control center in the US, SolarReserve has offices in Spain, Chile, South Africa, Washout, Australia, the UK and Dubai, as a consequence actions underway in the Foundation East, Africa, Australia, Pottery, and Latin America.

http://www.helioscsp.com/noticia.php?id not=2261

Pressing Astronomical Maintain, Concentrating Astronomical Maintain, CSP, Pressing Astronomical Thermal Maintain, solar power, solar energy, MENA, SolarReserve,

worldwatch@nodo50.org

josesantamartaflorez@gmail.com


Wednesday 7 July 2010

Minimizing Solar Panel Installation Cost

Minimizing Solar Panel Installation Cost

With the advent of technology, the production of solar panels has become cheaper which helps in "minimizing solar panel installation costs". Also because of the concern in the environment; the government, environmentalists and other green enthusiasts are shifting from the traditional fuel energy to solar energy. SOLAR PANEL INSTALLATIONS COSTS are now minimized because of the high demand of the market.

"Minimizing solar panel Installation costs" is now easier than ever before as more and more people adapt to climate change, and are shifting to renewable sources of energy. In choosing solar panels, a person should know that there are four kinds of solar panels commonly used today; the mono-crystalline solar panels, poly-silicon solar panels, thin film silicon and the Building Integrated Photovoltaic solar panels or BIPV.

Among the four types of solar panels, mono-crystalline solar panels are the most efficient since it contains the most amount of silicon. Silicon is the element responsible in converting the sun's energy into electrical energy, therefore the higher silicon content the more efficient. However, since silicon is expensive, SOLAR PANEL INSTALLATIONS COSTS of mono-crystalline panels are the most expensive. Good thing that a few mono-crystalline panels are enough to power a house. Also, they are more susceptible to heat and are more recommended in cold areas.

The poly-silicon solar panels are considered to be less efficient compared to mono-crystalline panels because it contains less amount of silicon. And when using poly-silicon panels, a large space is needed to produce enough energy, good thing that they are cheaper to produce so the amount used in purchasing let's say 10 panels of poly-silicon is equal to the price of 5 mono-crystalline panels. And since more and more modifications are done, poly-silicon efficiency rates are getting nearer to mono-crystalline efficiency. Also, poly-silicon panels are less susceptible to intense heat and are more recommended in hot countries. Aesthetically, most prefer mono-crystalline and thin films solar panels because of their uniformity and color.

The thin film silicon panels however are the cheapest and most inefficient solar panels because it is new and only in its initial stage. Thin silicon panels needs a vast space to produce enough energy to power up a house. The BIPV on the other hand is basically a solar panel, either mono-crystalline or poly-silicon, that is integrated in the house; it can be placed in the roof, wall etc. "Solar panel installation" of this kind is expensive but it is aesthetically much better compared to other solar panels. The "cost of installation of solar panels" can indeed be minimized when the person choose the right type to install in their house. If he lives in hot country, poly-silicon is more recommended since it can tolerate higher heat compared to mono-crystalline that decreases its efficiency with increased heat.

SOLAR PANEL INSTALLATIONS COSTS can be cheap because more and more types of solar panels are introduced in the market. Just remember when purchasing one, consider the usage of the solar panels, maintenance, location, weather or climate, shade, space and even the aesthetic element of the solar panels.


Tuesday 6 July 2010

Eskom Looks To Sign Concentrated Solar Power Csp Financing Agreement

Eskom Looks To Sign Concentrated Solar Power Csp Financing Agreement
Concentrating Astrophysical Thermal Hegemony (CSP) is one of Eskom's prime utility-scale projects afar the expound hydro portfolio and sitting room the authority on a stroll towards plummeting its carbon hunt down.

Federation power utility Eskom and France-based involved supply concern Agence Francaise de D'eveloppement (AFD) ready in October to take pressure off the signing of a EUR100-million finance aptitude succession, which force backward in grant Eskom's 100 MW blockade solar power (CSP) fish farm at hand Upington, in the Northern Time. Airless Astrophysical Thermal Hegemony comprises a cord of technologies that corner the sun's energy ended large mirrors and after that use this blockade thermal energy to put up with boil, which drives a without stopping boil turbine for elec- tricity generation. The technologies are akin to without stopping power trees in that boil is second hand to power a turbine and generator, but the fossil fuel glow is replaced in the middle of gain, nonpolluting solar energy.Eskom CEO Brian Dames says: "Airless Astrophysical Thermal Hegemony is one of Eskom's prime utility-scale projects afar the expound hydro portfolio and sitting room the authority on a stroll towards plummeting its carbon hunt down and investing in a sustainable energy distant."The CSP project is customary to create a twelve-monthly energy production of 525 GWh and force be fully clad to power 200 000 homes. "The leveraging of supply from institutions such as AFD force bring to the country's low-carbon marks and trustworthiness to withstand advance. The CSP project force pave the way for trade involved and job labor by promoting the localisation of this technology. This move forward cements our suggestion in the middle of AFD and Eskom is blissful to rule in the middle of this concern as the authority delivers on its question," says Eskom renewables high-class GM Ayanda Nakedi.AFD is cofinancing the CSP fish farm together in the middle of financial firms the African Materialize Climb, the Clean Machinery Reverse, the Euro-pean Support Climb, the Cosmos Climb and Germany-based nation law concern KfW.Communication with brute force Eskom's suggestion in the middle of AFD, Eskom provisional CFO Caroline Henry says: "AFD is a prized partner in crime and has been a key causal article to the increase Eskom has achieved at all the Upington CSP fish farm and the Sere wind farm. In accord, AFD has from beginning to end EUR200-million in finance aptitude agreements, which has moved out towards these two renewable-energy projects."The Sere wind farm is currently less than con- struction and is by the side of to be in trick com- mercial act by the end of 2014. The wind farm force manufacture up to 100 MW of power.In 2011, Eskom and AFD signed a EUR100-mil- lion move ahead aptitude for the financing of the Sere wind farm on the Skaapvlei Carry out, at hand Vredendal, in the Western Time.

http://www.helioscsp.com/noticia.php?id not=2190

Airless Astrophysical Hegemony, Concentrating Astrophysical Hegemony, CSP, Airless Astrophysical Thermal Hegemony, solar power, solar energy, Eskom, South Africa, Africa

worldwatch@nodo50.org

josesantamartaflorez@gmail.com


Sunday 4 July 2010

Hydrogen Fuel Cell Maker Backs Away From Chinese Market

Hydrogen Fuel Cell Maker Backs Away From Chinese Market
For more hydrogen fuel cell news articles. Share on Tumblr BALLARD MAY NOT BE ABLE TO BREAK INTO THE CHINESE MARKET BECAUSE OF ALLEGED CONTRACT BREACH Ballard Power Systems, a leading developer of hydrogen fuel cells, has suffered a major blow in one of the markets it was most interested in. The company had been working to break into the Chinese market, hoping to take advantage of the growing importance of renewable energy and clean technology. The demand for fuel cells has been rising slowly in China, but these energy systems have not yet become mainstream.AZURE HYDROGEN MAY BE IN BREACH OF CONTRACTS FORMED WITH BALLARD Ballard had been set to work with Azure Hydrogen in order to enter the Chinese fuel cell market. The company suggests, however, that Azure Hydrogen has breached the two contracts it was awarded. These contracts involved Azure Hydrogen building Ballard fuel cells in China. Because of the alleged contract breaches, Ballard will fall short of its predicted 2014 earnings, which has caused significant turbulence for the company in the stock market.Ballard's Revenue Will Fall To Some Degree Due To Failed Partnership With Azure The company has announced that it will not recognize the estimated 3 million in revenue it was expecting to see from its partnership with Azure Hydrogen during the fourth quarter of 2014. Ballard will be charging Azure Hydrogen a 4.5 million fee for outstanding products and services that are owed. In October of last year, Ballard had expected to see its revenue for 2014 rise by 20% due to strategic partnerships that it has made. Now, however, the company's revenue is expected to increase by a significantly smaller margin.Hydrogen Fuel Cells Continue To Gain Momentum In Many Parts Of The World Hydrogen fuel cells are becoming more popular, largely due to the attention they have begun receiving from the auto industry. Many of the world's leading automakers are planning to release fuel cell vehicles in the near future, and they need the energy systems in order to power these vehicles. Hydrogen fuel cells are also quite popular in some industrial sectors, where they are used to power heavy-duty vehicles. For more alternative energy news headlines today.

Friday 2 July 2010

Residential Tax Credit

Residential Tax Credit
Massachusetts allows a 15% credit -- up to 1,000 -- against the state income tax for the net expenditure of a renewable-energy system (including installation costs) installed on an individual's primary residence. If the credit amount is greater than a resident's income tax liability, the excess credit amount may be carried forward to the next succeeding year for up to three years. Eligible technologies include solar water and space heating, photovoltaics (PV), and wind-energy systems. The original use of the system must begin with the taxpayer, and the system should "reasonably be expected to remain in operation for at least five years." The credit is available to any owner or tenant of residential property. For a newly constructed home, the credit is available to the original owner/occupant. Joint owners of a residential property shall share any credit available to the property under this subsection in the same proportion as their ownership interest. Any excess credit amount may be carried over to the next 1-3 taxable years. To claim the tax credit, complete schedule EC. FEDERAL RENEWABLE ENERGY TAX CREDIT OF 30% Eligible Renewable Technologies: Solar Water Heat, Photovoltaics, Wind, Fuel Cells, Geothermal Heat Pumps, Other Solar Electric Technologies, Fuel Cells using Renewable Fuels.A taxpayer may claim a credit of 30% of qualified expenditures for a system that serves a dwelling unit located in the United States and used as a residence by the taxpayer. Expenditures with respect to the equipment are treated as made when the installation is completed. If the installation is at a new home, the "placed in service" date is the date of occupancy by the homeowner. Expenditures include labor costs for on-site preparation, assembly or original system installation, and for piping or wiring to interconnect a system to the home. If the federal tax credit exceeds tax liability, the excess amount may be carried forward to the succeeding taxable year. The excess credit may be carried forward until 2016. SOLAR-ELECTRIC PROPERTY o There is no maximum credit for systems placed in service after 2008.o Systems must be placed in service before December 31, 2016.o The home served by the system does not have to be the taxpayer's principal residence. SOLAR WATER-HEATING PROPERTYo There is no maximum credit for systems placed in service after 2008.o Systems must be placed in service before December 31, 2016.o Equipment must be certified for performance by the Solar Rating Certification Corporation (SRCC) or a comparable entity endorsed by the government of the state in which the property is installed.o At least half the energy used to heat the dwelling's water must be from solar in order for the solar water-heating property expenditures to be eligible.o The tax credit does not apply to solar water-heating property for swimming pools or hot tubs.o The home served by the system does not have to be the taxpayer's principal residence. FUEL CELL PROPERTYo The maximum credit is 500 per half kilowatt (kW).o Systems must be placed in service before December 31, 2016.o The fuel cell must have a nameplate capacity of at least 0.5 kW of electricity using an electrochemical process and an electricity-only generation efficiency greater than 30%.o In case of joint occupancy, the maximum qualifying costs that can be taken into account by all occupants for figuring the credit is 1,667 per 0.5 kW. This does not apply to married individuals filing a joint return. The credit that may be claimed by each individual is proportional to the costs he or she paid.o The home served by the system must be the taxpayer's principal residence. SMALL WIND-ENERGY PROPERTYo There is no maximum credit for systems placed in service after 2008..o Systems must be placed in service before December 31, 2016.o The home served by the system does not have to be the taxpayer's principal residence. GEOTHERMAL HEAT PUMPSo There is no maximum credit for systems placed in service after 2008.o Systems must be placed in service before December 31, 2016.o The geothermal heat pump must meet federal Energy Star criteria.o The home served by the system does not have to be the taxpayer's principal residence. The post Residential Tax Credit appeared first on Sun Wind.

Trina Solar To Supply 70Mw High Efficiency Modules To Solar Power Project In Chile

Trina Solar To Supply 70Mw High Efficiency Modules To Solar Power Project In Chile
CHANGZHOU, CHINA: Trina Planetary Ltd announced that it has firm to supply 70MW cancel efficiency modules to a large-scale solar power project in Chile.

Numb the vocabulary of the knowledge, Trina Planetary behest distribution TSM-PC14 solar modules that comprise an output of between 300W and 310W per panel. Oppress of the modules behest not closed in September 2014.

"We are pleased to comprise protected Trina Solar's insignificant knowledge this day to supply modules to large fruitfulness scale projects in Chile. We elation ourselves on our ability to appearance enduring relationships with our trade, in reality in blossoming markets such as Chile, where current is instantly large request and we see palpable planned expectations for solar energy," thought Zhiguo Zhu, be first of Classes Occupation Tour at Trina Planetary.

"We are jovial with the request we're seeing for our cancel efficiency modules in South America and we have a sneaking suspicion that this to keep trying to produce offspring. The fixed firmly recreation these modules livestock in environments with cancel variations in temperature are preferably competent for the region's solar projects. We esteem fore to regular to build enduring crucial relationships with our many well-regarded trade as we produce offspring our business in the momentary expanding South American market, allowing us to fee into the open the talent of our diversified corporation strategy."

Origin: clean-energy-technologies.blogspot.com

Thursday 1 July 2010

The True Cost Of Electricity

The True Cost Of Electricity
The "News Journal" today published an op-ed I wrote on all of the costs of the electricity we buy:

CONSIDER HEALTH COSTS IN ENERGY PLANNING


Tom Noyes

Delmarva Power's Integrated Resource Plan (IRP), now being reviewed by the Public Service Commission (PSC), includes a projection of the economic benefits of using more renewable energy to generate electricity for Delaware -- and it's a big number.

The benefits of current plans to shift from coal to renewable energy are estimated to be 1.8 billion to 4.3 billion over the next 10 years.

That's roughly 2,000 to 4,750 in reduced health and mortality costs for every Delaware resident between now and the year 2020.

These benefits are attributed to Delaware's Renewable Portfolio Standard, the Energy Efficiency Resource Standard, the Regional Greenhouse Gas Initiative (RGGI), the planned Bluewater Wind offshore wind project, other renewable energy sources and a reduction in emissions from coal-burning power plants in and around Delaware.

Significant numbers of Delawareans will remain healthy and live longer over the next 10 years because power plants will be spewing less nitrous oxide, sulfur dioxide and particulate matter into the air we breathe.

The Delaware Chapter of the Sierra Club has intervened in this docket to make the case for including the calculation of health benefits as an integral part of our energy planning.

Ken Kristl of the Environmental and Natural Resources Law Clinic at the Widener University School of Law is representing the Sierra Club.

Until now, the PSC has considered only the cost of our utility bills -- and not the cost of our medical bills -- when reviewing plans to meet our energy needs.

This innovation in energy planning was prompted by Gov. Jack Markell, who two years ago called for a "level playing field for clean energy" by including all of the costs and benefits in PSC proceedings.

These new figures give us a clearer picture of what a level playing field would look like.

The IRP's projected health benefits of renewable energy come to 12 percent to 30 percent of Delaware's retail electricity sales.

In contrast, I calculate that the Regional Greenhouse Gas Initiative and the Renewable Portfolio Standard together will add less than a percentage point to our electricity bills.

Bluewater Wind is projected to add about one half of 1 percent to our bills -- if fossil-fuel prices don't increase too much over the life of the project. When you compare such modest costs to the enormous benefits of cleaner air, renewable energy looks like a pretty good bargain.

But after all the number crunching, it's worth remembering that our energy policy is not just about economics; it's about fewer chest X-rays and cancer cases and longer and healthier lives.

For those seeking to roll back these clean-energy policies, I ask: How much of these benefits would you have us give back? How much more spending on lung disease and cancer should we be willing to tolerate?

Given the size of the benefits, why should we accept even a short-term delay in shifting from coal to renewable energy?

Three years ago, we rallied around the plan to build offshore wind power in Delaware. Now that we have a more complete picture of the economics, we should reaffirm our commitment to promoting renewable energy -- and to providing cleaner air for all of us to breathe.