Vicinity Energy, which specializes in district energy systems for buildings and campuses, has filed a formal complaint with Pennsylvania regulators alleging that Philadelphia Gas Works (PGW) has anti-competitive natural gas pricing.

Headquartered in Boston, Vicinity has 19 district energy systems nationwide. District energy entails producing thermal energy at a central facility and transporting it to buildings via underground piping. 

Vicinity said Monday its complaint, filed with the Pennsylvania Public Utility Commission (PUC).

alleges that PGW’s gas pricing is “anti-competitive and designed to make district energy steam…significantly more expensive for customers.”

Four-Digit Percentage Price Hike

Vicinity said its existing contract with PGW, first executed in...