Find a natural gas company annual return

On this page, you will find links to past natural gas company annual returns that have been filed with the DPU. Companies are listed in alphabetical order.

Bay State Gas Company d/b/a Columbia Gas of Massachusetts

Berkshire Gas Company

Blackstone Gas Company

Boston Gas Company d/b/a National Grid

Colonial Gas Company d/b/a National Grid

Fitchburg Gas and Electric Light Company d/b/a Unitil

Liberty Utilities (New England Natural Gas Company) Corp. d/b/a Liberty Utilities

NSTAR Gas Company d/b/a Eversource Energy


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