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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

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Biomass is material of plants and animals that can be used for energy.
Geothermal energy uses heat energy from beneath the surface of the earth.
Fast-flowing water released from dams in mountainous areas can turn water turbines to produce electricity.
Solar cells convert sunlight into electrical energy.
Electricity can be obtained by the flow of water through turbines in a dam as the tide rises and falls.
Moving air turns the blades of windmills or generators to make electricity or to pump water out of the ground.

News about renewable energy


Optimizing Solar Projects to Maximize Return on Investment (ROI) - The solar industry is facing new realities as the economics of solar are changing. Predicting photovoltaic (PV) panel pricing is 'iffy' at best. The US Treasury 1603 cash grants are history. Optimizing the energy produced and making the most of available land have become increasingly important as investors and project developers look for a viable economic model to maximize ROI. With fossil fuel energy prices on the rise, government incentives for solar wavering, and a solar trade war being waged over the price of Chinese solar panels – delivering innovative, high-performing solar power solutions is more critical now than ever before.

DOE to Launch New Advanced Battery Energy Innovation Hub - DOE has announced plans to fund a Batteries and Energy Storage Hub, using $120 million over the next five years to drive research and development of improved batteries for vehicles and the electric grid.


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