Energy & Green Tech

Inertia and the power grid: A guide without the spin

The power grid is evolving to include ever-higher levels of wind and solar generation—which do not provide inertia, historically a key source of grid reliability. Should system planners and operators panic? A new video ...

Energy & Green Tech

Hydropower plants to support solar and wind energy in West Africa

Hydropower plants can support solar and wind power, rather unpredictable by nature, in a climate-friendly manner. A new study in the scientific journal Nature Sustainability has now mapped the potential for such "solar-wind-water" ...

Energy & Green Tech

Using the 'shadow effect' to generate electricity

Shadows are often associated with darkness and uncertainty. Now, researchers from the National University of Singapore (NUS) are giving shadows a positive spin by demonstrating a way to harness this common but often overlooked ...

Energy & Green Tech

Uncertain climate future could disrupt energy systems

Extreme weather events—such as severe drought, storms, and heat waves—have been forecast to become more commonplace and are already starting to occur. What has been less studied is the impact on energy systems and how ...

Energy & Green Tech

More wind, less hot air

Predictions about how much wind power will be in place by the year 2040 have been too conservative according to research published in the International Journal of Energy Technology and Policy.

Energy & Green Tech

Connecting energy production and storage

The good news is that renewables account for nearly 50 percent of electricity generated in Germany. The bad news is that they lack the flexibility to adapt to the day's fluctuating electricity demand. They only furnish electrical ...

Engineering

Green-sky thinking for propulsion and power

We're seeing a transformational change in the propulsion and power sectors. Aviation and power generation have brought huge benefits—connecting people across the world and providing safe, reliable electricity to billions—but ...

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