Satellites help power grid keep its balance

Imagine a generator pumping more electricity than a nuclear power plant into the grid, but inconsistently and without the grid's caretakers being able to see what it was doing. How could they maintain the critical balance ...

EU signals end to high subsidies for renewable energy

The European Commission issued new guidelines Tuesday which could end costly and controversial subsidies for renewable energy, opening the way for state-aid backing of gas or coal-fired electricity generation projects.

Arizona solar plant achieves six hours after sun goes down

(Phys.org) —Abengoa's Solana plant in the desert near Gila Bend, Arizona, passed commercial testing this week The 280-megawatt Solana solar thermal power plant producing electricity without direct sunlight made the announcement ...

World record solar cell with 44.7% efficiency

German Fraunhofer Institute for Solar Energy Systems, Soitec, CEA-Leti and the Helmholtz Center Berlin announced today that they have achieved a new world record for the conversion of sunlight into electricity using a new ...

Clean energy least costly to power America's electricity needs

It's less costly to get electricity from wind turbines and solar panels than coal-fired power plants when climate change costs and other health impacts are factored in, according to a new study published in Springer's Journal ...

Sandia Labs harnessing the sun's energy with tiny particles

Engineers at Sandia National Laboratories, along with partner institutions Georgia Tech, Bucknell University, King Saud University and the German Aerospace Center (DLR), are using a falling particle receiver to more efficiently ...

The grid of the future

The outlet in your living room doesn't know a lot—yet. Unaware of whether they are drawing power from wind, solar, gas, or coal plants, the electrical lines that bring us power in many ways still resemble the chaotic, ...

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