Legend: Gas Electric Both

New York

  • Central Hudson
  • Consolidated Edison (ConEd)
  • National Fuel Gas (NFG)
  • National Grid Long Island
  • National Grid New York
  • National Grid Upstate (NIMO)
  • NY State Electric & Gas (NYSEG)
  • Orange & Rockland (O&R)
  • Rochester Gas & Electric (RG&E)

Pennsylvania

  • Duquesne Light
  • Met-Ed
  • Penelec
  • Pennsylvania Power & Light (PP&L)
  • Philadelphia Electric Company (PECO)
  • UGI Utilities
  • UGI Central Penn Gas
  • UGI Penn Natural Gas
  • West Penn Power

Massachusetts

  • Eversource NSTAR consists of:
  • – NSTAR
  • National Grid MA consists of:
  • – Boston Gas
  • – Colonial Gas
  • – Essex Gas


New Jersey

  • Atlantic City Electric
  • Elizabethtown Gas
  • Jersey Central Power & Light (JCP&L)
  • New Jersey Natural Gas
  • Public Service Electric & Gas (PSE&G)
  • South Jersey Gas

Ohio

  • AEP-Columbus Southern Power
  • AEP-Ohio Power
  • Columbia Gas of Ohio
  • Dayton Power and Light (DPL)
  • Duke Energy
  • Dominion East
  • Ohio Edison
  • The Illuminating Company
  • Toledo Edison

Maryland

  • Baltimore Gas & Electric (BG&E)
  • Delmarva
  • Pepco
  • WGL

Illinois

  • Commonwealth Edison (ComEd)
  • Peoples Gas Illinois