Energy & Green Tech

Explaining the plummeting cost of solar power

The dramatic drop in the cost of solar photovoltaic (PV) modules, which has fallen by 99 percent over the last four decades, is often touted as a major success story for renewable energy technology. But one question has never ...

Energy & Green Tech

Scientists pioneer a new way to turn sunlight into fuel

The quest to find new ways to harness solar power has taken a step forward after researchers successfully split water into hydrogen and oxygen by altering the photosynthetic machinery in plants.

Energy & Green Tech

If we keep subsidizing wind, will the cost of wind energy go down?

There are high hopes for renewable energy to help society by providing a more stable climate, better energy security and less pollution. Government actions reflect these hopes through policies to promote renewable energy. ...

Energy & Green Tech

Systems that bank energy can add value to solar and wind projects

Utility companies or others planning to install renewable energy systems such as solar and wind farms have to decide whether to include large-scale energy storage systems that can capture power when it's available and release ...

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