Power outages in Boston, MA
Live outages for Boston and the surrounding area, updated every 10 minutes. Boston has 672,973 residents.
Right now
No live outage data for Boston yet.
Outage map
BostonSuffolk CountyNational Grid publishes totals only, not outage locations.
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Some utilities publish only how many customers are out, not where. Their outages are in the counts but can't be drawn on the map.Outage history in Suffolk County, which includes Boston
2014–2025 recordSuffolk County averaged 2.7 significant outages a year in 2023–2025, fewer than most Massachusetts counties.
In the 12 months to December 2025, there were 4. Half were over within 45 minutes; the longest lasted 1.5 hours, starting July 30, 2025.
The largest on record began May 14, 2025, with 27,817 customers out at once.
2.7significant 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.1 hourtypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.2 hourslongest on record (July 2015)
27,817most 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. |
|---|---|---|---|
| May 14, 2025 | 27,817 | 1 hour | 12,085 |
| July 24, 2022 | 22,288 | 1 hour | 17,567 |
| July 30, 2025 | 18,010 | 1.5 hours | 17,126 |
| November 3, 2023 | 15,082 | 1.5 hours | 18,160 |
| December 23, 2023 | 13,056 | 1 hour | 12,726 |
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.
If your power is out
Report it to your utility
- National Grid: outage map and reporting
- Stay at least 35 feet from downed power lines and report them right away.
Food safety
- 0–4 hKeep the fridge closed. It keeps food cold for about 4 hours.
- 4 h+Throw out meat, dairy and leftovers that have been above 40°F for more than 2 hours.
- 24 hA half-full freezer holds about 24 hours if kept closed.
- 48 hA full freezer holds about 48 hours.
Generators, heat and cold
- Run generators outside only, at least 20 feet from windows and doors. Never in a garage.
- Use a battery-powered carbon monoxide alarm.
- Never heat your home with a gas stove or oven.