On the Record · Eversource Energy
Eversource Energy subsidiaries, as it lists them
The subsidiaries Eversource Energy lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| The Connecticut Light and Power Company | CT |
| Connecticut Yankee Atomic Power Company | CT |
| Eversource Energy Service Company | CT |
| Eversource Energy Transmission Ventures, Inc. | CT |
| Eversource Gas Transmission LLC | MA |
| Eversource Gas Transmission II LLC | MA |
| Eversource LNG Service Company LLC | MA |
| Northern Pass Transmission LLC | NH |
| Renewable Properties, Inc. | NH |
| Eversource Holdco Corporation | MA |
| Eversource TEI LLC | DE |
| Eversource Investment LLC | MA |
| Eversource Investment Service Company LLC | MA |
| Aquarion Company | DE |
| Aquarion Water Company | CT |
| Abenaki Water Co., Inc. | NH |
| Aquarion Water Company of Connecticut | CT |
| Aquarion Water Company of Massachusetts, Inc. | MA |
| Aquarion Water Capital of Massachusetts, Inc. | DE |
| Aquarion Water Company of New Hampshire, Inc. | NH |
| The Torrington Water Company | CT |
| Aquarion Management Services Company | DE |
| New England Service Company | CT |
| HWP Company | MA |
| North Atlantic Energy Corporation | NH |
| North Atlantic Energy Service Corporation | NH |
| Northeast Nuclear Energy Company | CT |
| NSTAR Electric Company | MA |
| Harbor Electric Energy Company | MA |
| Public Service Company of New Hampshire | NH |
| Properties, Inc. | NH |
| PSNH Funding LLC | DE |
| The Rocky River Realty Company | CT |
| Yankee Atomic Electric Company | MA |
| Yankee Energy System, Inc. | CT |
| Eversource Gas Company of Massachusetts | MA |
| Hopkinton LNG Corp. | MA |
| NSTAR Gas Company | MA |
| Yankee Gas Services Company | CT |
| YES Clean Hydrogen LLC | DE |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from Eversource Energy’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-17. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.