Renewable energy

Renewable energy is sometimes called non-conventional energy. It is derived from regenerative resources or from other resources that can not be depleted. Almost 30% of the total energy consumption is renewable energy.

Renewable energy is used since a long time, but only recently mankind is using it to mass produce electricity. Because non-renewable energy is in general more polluting and exhausting, people try to use renewable energy more often.

World renewable energy 2005

world renewable energy 2005

Resources - Renewable Energy

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Biomass energy

Biomass is material of plants and animals that can be used for energy.

Geothermal energy

Geothermal energy uses heat energy from beneath the surface of the earth.

Hydroelectric energy

Fast-flowing water released from dams in mountainous areas can turn water turbines to produce electricity.

Solar energy

Solar cells convert sunlight into electrical energy.

Tidal and wave energy

Electricity can be obtained by the flow of water through turbines in a dam as the tide rises and falls.

Wind energy

Moving air turns the blades of windmills or generators to make electricity or to pump water out of the ground.

News about renewable energy

VC Investment in Green Tech Up to US $1.2B in Q2 - Greentech Media Inc. this week released quarterly data showing that venture capital investment in green technologies totaled US $1.2 billion in 85 deals in the second quarter of 2009. This is up from $836 million in 59 deals in the first quarter of 2009.

Obama Administration Offers $59 Million in Conditional Loan Guarantees to Beacon Power and Nordic Windpower Inc. - DOE has offered $59 million in conditional loan guarantees to Nordic Windpower USA and Beacon Power. Nordic Windpower's loan guarantee will support the expansion of its assembly plant in Pocatello, Idaho, while Beacon Power's loan guarantee will support a 20-megawatt flywheel-based energy storage plant in Stephentown, New York.

More Solar Panel information

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