Answer: c. geothermal power
Geothermal energy is expected to be the least dependent upon the weather conditions. It is a renewable source of energy liberated in the form of water springs. The water in the geosphere being heated by the heat liberated from the hot magma in the mantle. The hot water liberated is used as a source of thermal power. As, the geothermal power liberates from the earth crust it is not affected by the external environmental conditions including weather.
