What are the disadvantages to using solar and renewable energy?

The biggest disadvantage and the only truly significant one remains the cost. For example, solar energy technologies require a significant initial outlay. Still, in nearly all cases, this high initial cost is recovered through substantial fuel savings over the life of the product (15-30 years), and solar energy systems can last much longer than this. But in areas where there are no hydro wires, choosing solar is as obvious as the sun in the sky.

What are the disadvantages to using solar and renewable energy?

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