National Grid
Northeast Operations Our Northeast Operations stretch from the suburbs of Boston west to Lake Erie and from the Canadian border south to Rhode Island Sound. We own, maintain and operate a 9,000-mile transmission system serving five states and a service area of 29,000 square miles. We provide transmission services for more than 310 generators, five electric distribution companies, 53 municipal electric companies and interconnect with a dozen other transmission providers. And, we do business daily with two Independent System Operators in New York and New England.

Getting Connected
Municipalities, cooperatives and generators—Learn how to connect to our transmission system.

Contact Your Account Manager
Your single point of contact for all existing wholesale customers and generators—serving customers who connect at 69kV or higher.

Operations Documentation
Access documents to assist you in connecting to the transmission system.

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Related Information

National Grid's Network in the U.S. (pdf)

System Operators:

ISO New England / NEPOOL (*)
New York ISO (*)