The correct answer is: a) Solar power.
Solar power has the highest installed capacity in Nagaland, with a total of 10.6 MW as of 2020. This is followed by wind power (6.8 MW), biomass power (3.2 MW), and small hydropower (2.4 MW).
Solar power is a type of renewable energy that uses the sun’s rays to generate electricity. It is a clean and sustainable source of energy that can help to reduce our reliance on fossil fuels.
Wind power is a type of renewable energy that uses the wind to generate electricity. It is a clean and sustainable source of energy that can help to reduce our reliance on fossil fuels.
Biomass power is a type of renewable energy that uses organic material, such as wood, to generate electricity. It is a clean and sustainable source of energy that can help to reduce our reliance on fossil fuels.
Small hydropower is a type of renewable energy that uses the flow of water to generate electricity. It is a clean and sustainable source of energy that can help to reduce our reliance on fossil fuels.
The following table shows the installed capacity of renewable energy sources in Nagaland as of 2020:
| Renewable energy source | Installed capacity (MW) |
| — | — |
| Solar power | 10.6 |
| Wind power | 6.8 |
| Biomass power | 3.2 |
| Small hydropower | 2.4 |