Two proposed hydropower projects in southern Oregon, and a third just across the Columbia River near Goldendale, have so far generated no electricity, but plenty of controversy. Environmental concerns ...

Pumped storage hydropower is the greenest renewable energy technology for large-scale energy storage, a new study suggests. Researchers with the National Renewable Energy Laboratory said closed-loop ...

Grid stability and fast response: In order to handle spikes in demand, pumped hydro facilities can quickly ramp up to full ...

Last year, despite the growing global demand for energy, countries began to report record levels of energy-dumping, or ...

Pumped storage is making up a growing share of hydropower projects proposed or under development, which could be significant for renewables, observers say. A massive clean energy project that doesn’t ...

The project would repurpose a scheme that has been operational on Loch Quoich since 1955.

Feb. 12—INDIANAPOLIS — As Indiana and other states began to move away from coal and fossil fuel production as primary energy sources in the late 20th century, dozens of coal mines in the southern part ...

Journalist Robert Kunzig explains how an old technology could complement wind and solar installations to decarbonize the electric grid. However, big upfront costs and thorny land-use issues would ...

To cut U.S. greenhouse gas emissions in half within a decade, the Biden administration’s goal, the U.S. is going to need a lot more solar and wind power generation, and lots of cheap energy storage.

At the foot of Austria’s Grossglockner, the country’s tallest peak, the Pasterze glacier has lost more than half its length ...