In modern times you are a country if the UN recognizes you as one
Thunderstorm
Thunderstorms are storms that consist of lightning, thunder, and strong winds. They are also often brief.
Solar is inconsistent due to time of day and/or weather.
Nuclear creates long lasting radioactive waste.
Hydroelectric construction of this resource destroys river ecosystems.
Coal creates pollution when burned.
Wind is inconsistent due to only to weather.
Igneous rock and metamorphic rock.