Massachusetts power outages
Live outages across Massachusetts from National Grid, updated every 10 minutes. 8 counties have customers without power right now.
Right now
Normal: scattered outages
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Normal: fewer than 0.1% of customers out. Elevated: 0.1% or more. Major outage: 1% or more.450customers without power
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A customer is one electric account, usually one home or business, not one person. Utilities count outages this way.National Grid450 / 488,538
NSTAR Electric Companyno live feedServes part of the state, per federal utility records. Check its own outage map.
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This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.City of Taunton - (MA)no live feedServes part of the state, per federal utility records. Check its own outage map.
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This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.Town of Reading - (MA)no live feedServes part of the state, per federal utility records. Check its own outage map.
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This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.Outage map
<0.01%0.01%0.1%1%+ outno live feed
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Color shows the share of each county's customers without power right now.Counties with the most outages
8 counties with live data| County | Out | CustomersiA customer is one electric account, usually one home or business, not one person. Utilities count outages this way. | % outiCustomers without power divided by all the customers the utility serves in this area. |
|---|---|---|---|
| Norfolk County | 312 | – | – |
| Bristol County | 87 | – | – |
| Worcester County | 36 | – | – |
| Middlesex County | 7 | – | – |
| Essex County | 5 | – | – |
| Hampshire County | 1 | – | – |
| Plymouth County | 1 | – | – |
| Suffolk County | 1 | – | – |
Outage history in Massachusetts
2014–2025 recordMassachusetts averaged 2.3 significant outages a year in 2023–2025, fewer than most states.
In the 12 months to December 2025, there were 2. Half were over within 5 hours; the longest lasted 7.5 hours, starting December 19, 2025.
The largest on record began October 27, 2021, with 501,285 customers out at once.
Outages are most common in March.
2.3significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.12 hourstypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.3.5 dayslongest on record (October 2021)
501,285most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| October 27, 2021 | 501,285 | 3.5 days | 18,183,974 |
| March 2, 2018 | 457,698 | 3.3 days | 16,948,136 |
| March 8, 2018 | 364,357 | 2.7 days | 11,279,732 |
| October 30, 2017 | 320,596 | 2.6 days | 9,031,142 |
| December 18, 2023 | 291,468 | 1.7 days | 5,801,081 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.
Counties in Massachusetts
Utilities
- National Grid
- NSTAR Electric Company no live feed
- City of Taunton - (MA) no live feed
- Town of Reading - (MA) no live feed
- City of Peabody - (MA) no live feed
- City of Chicopee - (MA) no live feed
- City of Westfield - (MA) no live feed
- Town of Middleborough - (MA) no live feed
- City of Holyoke - (MA) no live feed