1. It can be expensive
Although sunlight is free, the equipment that translates the sun's energy into usable power isn't always low-cost. Solar panels and storage can be quite expensive. Investigate all of your options before making a large investment.
2. It isn't always reliable
In most climates, solar energy is intermittent as an energy source. Overcast days are a fact of life. (Solar power is still more reliable than wind power, however. )
3. It requires a lot of space
Power density, or watt per square meter (W/m^2), is the calculation used to determine how much power can be attained from a certain area. In lower power density areas, the cost of producing solar power can be cost-prohibitive.
Many people decide that the environmental benefits and long-term financial savings of solar power make it a worthy investment. However, it is important to thoroughly understand your options before making a financial commitment to solar energy.
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