Nature’s promise for pure power; Endless power resource for everyone.

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Across
  1. 2. Gas produced from anaerobic digestion
  2. 4. Converts DC to AC in solar systems
  3. 9. Measure of useful energy output
  4. 11. Type of fuel renewables aim to replace
  5. 13. Converts water to steam in biomass plants
  6. 14. Power outage due to high demand
  7. 16. Key challenge in renewable energy
  8. 17. Country with major solar initiatives
  9. 21. Mechanism to control turbine overspeed
  10. 23. Layer affected by pollution
  11. 25. Systems not connected to main grid
  12. 26. Energy from surface water motion
  13. 27. Key element in modern batteries
  14. 29. Regulates angle of turbine blades (5+7)
  15. 32. Cells that convert sunlight into electricity
  16. 33. Used for inductive energy storage
  17. 36. Energy from ocean tides
  18. 37. Monitoring system for energy networks
  19. 41. Multi-stage energy conversion system
  20. 42. Nadu Leading Indian state in wind power
  21. 44. Energy system not reliant on a central grid
  22. 46. Instrument to synchronize alternators
  23. 47. Network that delivers electricity
  24. 50. Measures wind speed
  25. 52. Blade angle adjustment in wind turbines
  26. 53. Follows sun for better solar efficiency
  27. 54. Converts AC to DC
  28. 55. Stores electrical energy in circuits
  29. 56. Local, small-scale grid
Down
  1. 1. Controls turbine speed in hydro systems
  2. 3. Total capacity already set up
  3. 5. Combining two or more energy sources
  4. 6. Fraction of time a device operates (4+5)
  5. 7. Electricity from moving water
  6. 8. Power that can be supplied on demand
  7. 10. Energy from the sun
  8. 11. Electrical power cycles per second
  9. 12. Type of energy that is environmentally friendly
  10. 15. Element whose dioxide causes global warming
  11. 18. Not continuously available (e.g., solar, wind)
  12. 19. Type of solar thermal reflector
  13. 20. Energy that naturally replenishes
  14. 22. Clean fuel with water as byproduct
  15. 24. One billion watts
  16. 28. Device that rotates to produce electricity
  17. 30. Indian renewable energy financing agency
  18. 31. Isolated operation of distributed systems
  19. 34. What renewable energy reduces
  20. 35. Resistance opposing wind turbine motion
  21. 38. Splits water to produce hydrogen
  22. 39. Power generated by moving air
  23. 40. Organic material used as fuel
  24. 43. Converts energy from one form to another
  25. 45. Heat energy from beneath the Earth
  26. 48. Converts mechanical to electrical energy
  27. 49. A group of connected solar panels
  28. 51. Sell back excess power (3+8)