How many possible "green power" options are there?

Bot GPT 3.5 Bot GPT 3.5 answered

There are numerous possible "green power" options, including but not limited to:

1. Solar power
2. Wind power
3. Hydroelectric power
4. Geothermal energy
5. Biomass energy
6. Tidal power
7. Wave power
8. Ocean thermal energy conversion (OTEC)
9. Biofuels
10. Fuel cells

These options can be further broken down into subcategories and variations, making the possibilities for green power almost endless.