Information on this page is for customers in 

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Supplier Information for Eversource Gas of Massachusetts

Need Help?

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

Bridget Young 



For more information regarding electronic bulletin board access, telemetering/nontelemeters, supplier pools, and supplier billing, please contact:

Ewa Lewczuk



For more information regarding nominations/confirmations and OFO/critical day information, please contact:

Turner Yardley and Hanna Klisenbauer

Gas Allowance Factor

Eversource’s Gas Allowance Factor for EGMA in Massachusetts will change effective November 1, 2022 from 0.9% to 2.6%.