A project that will demonstrate the conversion of a former coal mine in Bell County, Kentucky, into a utility-scale 287-MW pumped storage hydroelectric facility has garnered federal backing from the ...

Oak Ridge National Laboratory is investigating whether thousands of abandoned coal mines scattered across the United States could serve as underground reservoirs for pumped storage hydropower, ...

As many as half a million abandoned coal mines dot the United States. These mines pose a major threat to public health and safety, in addition to environmental well-being. While many of these sites ...

MILL VALLEY, Calif.--(BUSINESS WIRE)--The US Department of Energy’s Office of Clean Energy Demonstrations has awarded Lewis Ridge Pumped Storage, LLC, a subsidiary of Rye Development Acquisition, LLC, ...

NEGAUNEE, MI – Michigan’s Upper Peninsula may be primed for a major hydroelectric future because of its underground mining past. Scientists at Michigan Technological University in Houghton believe it ...

The U.S. Department of Energy’s Office of Clean Energy Demonstrations has awarded Lewis Ridge Pumped Storage, a subsidiary of Rye Development Acquisition, $12 million (of a total project federal cost ...

The U.S. Department of Energy’s Office of Clean Energy Demonstrations recently announced an award under its Clean Energy Demonstration Program on Current and Former Mine Land. This award of more than ...

Greece’s PPC Group has finished construction of its 2.13 GW solar portfolio in northern Greece. The company is now working on its third large-scale battery storage facility in the area, with plans for ...

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Geologist with a hard hat, headlight, and torch examining the walls of an abandoned mine shaft - Sava Senemty/Shutterstock Across the US, hundreds of thousands of abandoned mines sit scattered across ...