Supplier Information - Eversource Gas of Massachusetts

For more information regarding telemetering/nontelemeters, supplier pools, nominations/confirmations, supplier billing, OFO/critical day information, please contact:

Ewa Lewczuk
ewa.lewczuk@eversource.com

For information regarding EDI and customer transactions (enrollments, changes, drops, use history requests), please contact:

Emilie Smith
SupplierServicesEGMA@eversource.com 

Nominations

Visit the nominations portal

Nominations portal manual 

Regulatory Information

Capacity Assignment Procedures

Gas Allowance Factor

The Eversource Gas of Massachusetts Allowance Factor is 0.9% effective November 1, 2021 .

Holiday Schedule

  • New Year's Day - January 1
  • Martin Luther King Day - January 27
  • President's Day - February 21
  • Memorial Day - May 30
  • Independence Day - July 4
  • Labor Day - September 5
  • Columbus Day - October 10
  • Veterans' Day - November 11
  • Thanksgiving Day -November 24
  • Christmas Day (observed) - December 26 

Other Information

Looking for NSTAR gas? 

See supplier information for the NSTAR gas territory