Massachusetts Utility Guides
3 utilities serving Massachusetts
Massachusetts utility guides for Eversource and National Grid. Compare competitive electricity rates and switch suppliers to save.
Your utility delivers power: While you can choose your supplier, your local utility (Eversource or National Grid) delivers electricity to your home and handles outage restoration. Your utility territory is determined by your address.
Utility Guides & Articles
Eversource Service Territory Map: MA Coverage Guide
Eversource is the largest electric utility in Massachusetts, serving most of eastern and central Massachusetts under a DPU-regulated franchise. Knowing whether your address falls inside Eversource territory or National Grid territory determines which Basic Service rate applies and which competitive suppliers can reach you.
National Grid Heat Pump Rate in Massachusetts (2026)
National Grid's heat pump rate program gives qualifying Massachusetts customers a reduced per-kWh price during off-peak hours, helping offset the higher electricity demand a heat pump adds to a home. Understanding how the rate stacks up against Basic Service and competitive suppliers can make a real difference on a winter bill.
How to Report a National Grid Outage in Massachusetts
Reporting a National Grid outage in Massachusetts takes less than two minutes, but knowing the right channel speeds up crew dispatch. This guide covers the phone line, online portal, outage map, and what to do while you wait.
National Grid Rate Increases in Massachusetts (2026)
National Grid's default supply rate in Massachusetts reached approximately 17.2 cents/kWh as of September 2026, leaving many customers asking why their bill keeps rising. Basic Service rates reset on a set schedule, and each reset reflects wholesale market conditions that have been running hot. Switching to a competitive supplier or auditing your usage are the two fastest ways to fight back.
Start Service with National Grid in Massachusetts (2026)
Starting electric service with National Grid in Massachusetts takes about 15 minutes online, but the decisions you make at sign-up can affect what you pay for months. Here's a clear walkthrough of the process, the default Basic Service rate you'll land on, and when it's worth comparing suppliers before your first bill arrives.
NStar Electric Is Now Eversource: What Changed
NStar Electric no longer exists as a separate brand. The utility rebranded to Eversource in 2015, but the service territory, billing structure, and Massachusetts DPU oversight all stayed the same. If you're searching for NStar, you're already an Eversource customer.
National Grid vs Eversource: How MA Rates Ended Up 2x Apart
Massachusetts has two big regulated utilities — National Grid and Eversource. Both sell default supply through state-run auctions. Since 2015, one went up 103%. The other went down 58%. The split shows how much utility-by-utility auction strategy matters in a state that looks uniform from a distance.
National Grid Phone Numbers: Fastest Way to a Human (2026)
National Grid serves 3.4 million electric customers in Massachusetts and New York. The main customer service number is 1-800-322-3223 for Massachusetts. Here is every department number, the best times to call, and how to skip the phone tree.
Eversource Massachusetts: Boston Electric Service & Rates
Eversource serves 1.4 million customers in Boston, Cambridge, Springfield, and eastern/western MA. Their Basic Service rate updates every 6 months via MA DPU. Before switching to a competitive supplier, compare against Basic Service—AG data shows most switchers pay more. Check rates on ElectricRates.org.
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