Because solar energy runs the water cycle, giving rise to precipitation, and then the rain water flows into the reservoirs of dams.
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∙ 2010-08-25 09:25:55solar energy
Sunshine is direct solar energy, hydroelectric (water) is indirect solar energy because the Sun's heat caused the rain which deposits water into mountain lakes at a high level so it can be used for hydroelectric generators.
Hydroelectric power and solar energy.
Solar power, wind power, hydroelectric power, nucleur energy.
Water (hydroelectric power).
Wind power, hydroelectric power (water power), and solar power.
wind, solar, nuclear power, hydroelectric
Renewable energy can be created by solar, wind, tides, and hydroelectric power.
hydroelectric power or solar energy
Wind power, solar panels, hydroelectric, etc.
solar power, hydroelectric and wind power.
solar power , wind power , nuclear power , hydroelectric , tidal power , biomass energy .