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Supplier Information for Eastern Massachusetts-NSTAR Gas
Need Help?
For information regarding EDI and customer transactions (enrollments, changes, drops, use history requests), please contact: :
Bridget Young
SupplierServicesGas@eversource.com
For more information regarding electronic bulletin board access, telemetering/nontelemeters, supplier pools, and supplier billing, please contact::
Nicole Meurin
EE_EUT_MA@eversource.com
For more information regarding nominations/confirmations and OFO/critical day information, please contact:
James Riordan and Kevin Johnson
NominationsNSTAR@eversource.com
Nominations
- Eversource Nominations Portal
- Nominations Portal User Manual (PDF)
- 2025 Nominations Schedule (PDF)
- 2024 Nominations Schedule (PDF)
Regulatory Information
- Notice to Marketers Serving NSTAR Gas Customers in the Cambridge Area (PDF)
- Distribution Service Terms and Conditions (PDF)
- Peaking Service Tariff (PDF)
- Massachusetts Department of Public Utilities (DPU)
- D.P.U 23-122 Notice
Capacity Entitlements
- Capacity Allocation of Peak Day MDQ’s 2024-2025 (PDF)
- Algonquin Service Area Capacity Entitlements 2024-2025 (PDF)
- Tennessee Service Area Capacity Entitlements 2024-2025 (PDF)
- Peaking Service Rule Curve 2024-2025 (PDF)
Other Information
Gas Allowance Factor
Eversource's Gas Allowance Factor for NSTAR Gas in Massachusetts will change effective Nov. 1, 2024, from 2.07% to 2.69%.