Scientists have developed a methodology to convert America's half a million abandoned coal mines into long-term pumped hydro ...
Beneath parts of the Appalachian Mountains, thousands of mine shafts still descend deep into the earth. Some of these vertical passages drop more than 1,000 feet, connecting long corridors carved ...
Instead of placing data centers on valuable farmland they could be located on reclaimed sites throughout the Appalachian coal ...
From Europe to North America, an energy revolution is breathing new life into empty, long-forgotten coal mine shafts—by repurposing them into places to store renewable energy. Using "gravity batteries ...
The electricity needed to power new Pennsylvania data centers already in advanced stages of planning could power 11 million homes – nearly twice the total number of households in the state. Companies ...