In the latest illustration of the potential of the Marcellus Shale to boost regional energy supply, two natural gas-fired power plants are being planned for the heart of northern Pennsylvania’s shale country.

If they go into operation as planned by early 2016, they would be the state’s first plants to be powered by gas from the Marcellus, the massive Appalachian formation that’s estimated to contain enough of the fuel to meet total US needs for 20 years or more, at current consumption rates. Keep reading →