Renewable Energy

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What is renewable energy?

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Energy generated or collected from renewable sources, as opposed to burning finite resources like fossil fuels.

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What are the two main types of solar energy technologies?

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Solar photovoltaic (conversion of sunlight into electricity using PV cells/panels) and solar thermal (conversion of sunlight into thermal energy or heat).

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How do wind turbines generate electricity?

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They harness the power of the wind to generate electricity. Domestic wind turbines may be pole mounted or building mounted.

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What are the three types of heat pumps?

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Ground source (uses pipes buried underground to transfer heat from the ground), air source (transfers heat from the air outside into the building), and water source (transfers heat from a source of water outside into the building).

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What are some water-related renewable technologies?

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Rainwater harvesting, grey water re-use, and hydro-generation of electricity (tidal/hydroelectric).