The steam turbine then drives a generator, producing electricity. Solar heating uses solar collecting panels that contain tubes of heat-absorbing fluid to provide heat or hot water to buildings or ...

Geothermal turbines function similarly to conventional steam turbines, but instead of being powered by fossil fuels, they operate using geothermal steam. This steam is drawn from geothermal reservoirs ...

The heat is then used to boil water to drive a steam turbine that generates electricity ... through the receiver is heated to run a generator. Other solar technologies are passive.