Across
- 4. Meeting present needs without compromising future generations (14)
- 6. Having a net zero carbon footprint (12)
- 10. Small-scale power grid that can operate independently (9)
- 12. Energy generated from ocean waves (9)
- 13. Technology used in solar panels to convert sunlight to electricity (12)
- 15. Fuel derived from living matter (7)
- 16. Ratio of useful energy output to total energy input (10)
- 19. Energy derived from biological sources (9)
- 21. Element used as a clean fuel source (8)
- 22. Energy that produces little or no pollution (10)
- 24. Machine for generating rotary mechanical power from the energy of a stream of fluid (7)
- 25. Organic material used as fuel (7)
Down
- 1. Technology used to store energy for later use (13)
- 2. Wind farms located in the ocean (8)
- 3. Structure that converts wind energy into electricity (11)
- 5. Electricity generated from moving water (10)
- 7. Type of energy that is replenished naturally (9)
- 8. Energy of motion, harnessed in wind and hydro power (7)
- 9. Power generated from the rise and fall of sea levels (11)
- 11. Non-renewable energy sources like coal and oil (11)
- 14. Network for delivering electricity (4)
- 17. Device that converts DC to AC electricity (8)
- 18. Device used to store electrical energy (7)
- 20. Device that converts sunlight into electricity (11)
- 23. Energy derived from the heat of the Earth (10)