Energy

PJM is the largest grid operator in the U.S. It manages the flow of wholesale electricity in all or part of 13 Mid-Atlantic and Midwestern states and D.C.

With the new solar technology, SEPTA train engineers should be able to keep Regional Rail lines running safely when the main energy grid goes down.

Company indicates that making the closeouts a done deal by 2046 is critical to goal of reducing climate-warming emissions to net zero by 2050.

The football stadium's "iconic symbols" of clean energy are being re-evaluated after recent repairs, an Eagles team official says.

Scientists and regulators appeared before state lawmakers to discuss environmental impacts of June’s blaze at Philadelphia Energy Solutions.

The rules include requirements to clean up well sites shortly after drilling activities end and to make sure nearby abandoned wells aren’t contaminated by new drilling.

Philadelphia Energy Solutions says the goal after reorganization is to rebuild and continue to operate its South Philadelphia refinery complex.

Damage pushes the refinery to file for Chapter 11 again. Philadelphia Energy Solutions expects to restructure with a $100 million financial agreement.

It's used to make cleaner-burning gasoline in about four dozen refineries in the U.S., including two in Philly region.

Heavy rain shifted the lid of a tank at PES refinery causing fumes to escape. City officials say there is no sign abnormal pollutants were released

Agency releases new details about planned Gloucester County facility after "conversations" with developer.

A Delaware refinery has reached a settlement over its release of toxic chemicals into the air.

A Lancaster County judge on Monday dismissed trespassing charges against seven protesters who blocked construction of the Atlantic Sunrise natural gas pipeline.

A company attorney said the failure to grant relief would impose "a corporate 'death penalty'" on the company by destroying its primary asset — two batteries of coke ovens.

Ten years ago, the fracking industry was already booming in Pa., but people in Ohio were just starting to hear about it.