The main disadvantage of using solar energy to generate electricity is that solar panels

High upfront cost, The size of system is dependent on your available space, Requires sunny weather, Manufacturing of solar panels can harm the environment, Low energy conversion rate, and, cannot be used at night.

Explanation:

High upfront cost, The size of system is dependent on your available space, Requires sunny weather, Manufacturing of solar panels can harm the environment, Low energy conversion rate, and, cannot be used at night.

not completely sure but i think it’s many moons, smaller in size and a ring system.