About MassOutage
Built and maintained by Dan Ochoa. Last updated .
MassOutage is a free and open US power-outage data project. It pulls public utility outage maps and government data into one place (live, per county and per town) and gives it back to anyone who needs it: on the site, as alerts, and through an API that needs no key and no account.
For emergency managers
One cross-utility picture of your county, down to the town where the utility publishes it.
- Live customers out per county and municipality, broken down by utility.
- An events stream: outages beginning and growing, restoration estimates changing, power coming back.
- Free workspace alerts by email, webhook, Slack or Teams, plus scheduled sync into your own dashboard.
- Clear guidance on where MassOutage stops and the official sources you should confirm with.
For developers & AI agents
A free, open JSON API. No key, no account, CORS enabled.
- Live county, municipality and incident endpoints, national and state summaries, history and reliability.
- An OpenAPI description and a guide written for AI agents and LLM tools.
- A public changelog, so integrations don't break by surprise.
For everyone
See who's out right now, and how your area has fared over the years.
- A live national map with state and county pages.
- County pages with the utilities serving them, typical restoration times and a decade of history.
- Reports on the biggest outages and how states compare.
What MassOutage is
- An unofficial aggregate of utilities’ public outage maps and government datasets.
- Free to use and free to build on, with every number traced to the source it came from.
- Honest about gaps: where a utility doesn’t publish a feed, we show the gap instead of guessing.
What it isn’t
- Not affiliated with any utility or government agency, and not a system of record.
- No SLA or uptime guarantee; upstream feeds can lag, change or break without notice.
- Not complete: see live coverage.
- Not for life-safety dispatch. In an emergency, call 911.
Where the data comes from
Coverage, terms and the credits each publisher asks for are on data & coverage; the method behind every figure is under methodology, with ready-to-copy citations under how to cite MassOutage.
Live utility map
- Utility outage maps, Individual electric utilities
- Utility outage incident details, Individual electric utilities
- Orange & Rockland outage map, Orange & Rockland Utilities
- Con Edison outage map, Consolidated Edison Company of New York
- Eversource outage map, Eversource Energy
- Utility outage maps: Entergy, Xcel Energy and others, Individual electric utilities
- PPL and Rhode Island Energy outage maps, PPL Corporation
- WEC Energy Group outage summaries, WEC Energy Group
- Electric cooperative outage maps, Individual electric cooperatives and municipal utilities
- Sussex Rural Electric Cooperative outage map, Sussex Rural Electric Cooperative
- Vineland Municipal Electric Utility outage map, City of Vineland, NJ
- Utility outage point feeds, Individual utilities
- FPL power tracker, Florida Power & Light
- NV Energy outage list, NV Energy
- Duke Energy outage counties, Duke Energy
- North Carolina's Electric Cooperatives outage map, North Carolina's Electric Cooperatives
- Oklahoma Association of Electric Cooperatives outage map, Oklahoma Association of Electric Cooperatives
- Iowa Association of Electric Cooperatives outage map, Iowa Association of Electric Cooperatives
- MidAmerican Energy OutageWatch, MidAmerican Energy
- Alliant Energy outage counties, Alliant Energy
- Municipal light plant outage maps, Individual municipal light plants
- Snohomish County PUD outage map tiles, Snohomish County PUD
- UPPCO outage counties, Upper Peninsula Power Company
- Association of Missouri Electric Cooperatives outage map, Association of Missouri Electric Cooperatives
- South Dakota Rural Electric Association outage map, South Dakota Rural Electric Association
- Portland General Electric outage map, Portland General Electric
- Central Maine Power outage map, Central Maine Power (Avangrid)
- Utility county outage tables, Knoxville Utilities Board, NOVEC, Liberty Utilities, Joe Wheeler EMC, Danville Utilities, UGI Utilities
- Cooperative and municipal outage maps: Missouri and Illinois, Individual electric cooperatives and municipal utilities
- City Utilities of Springfield outage map, City Utilities of Springfield, Missouri
- ElectriCities outage map, ElectriCities of North Carolina
- Cooperative and municipal outage maps, Individual electric cooperatives and municipal utilities
- Cooperative and municipal outage county tables, Individual electric cooperatives and municipal utilities
- Cooperative and municipal outage viewers, Individual electric cooperatives and municipal utilities
Live aggregator
- DOE/ORNL ODIN, U.S. Department of Energy / Oak Ridge National Laboratory
- California Cal OES power outages, California Governor's Office of Emergency Services
- VTOutages, Vermont Public Service Department
- Massachusetts MEMA power outages, Massachusetts Emergency Management Agency
History
- DOE OE-417 disturbance filings, U.S. Department of Energy, CESER
- DOE EAGLE-I, U.S. Department of Energy / Oak Ridge National Laboratory
Reference
- EIA electricity retail prices, U.S. Energy Information Administration
- EAGLE-I modeled customer counts (MCC), Oak Ridge National Laboratory
- EIA Form 861 (utility reliability), U.S. Energy Information Administration
- US Census Bureau geography & population, U.S. Census Bureau
Context
- US NWS active alerts, NOAA National Weather Service
- HHS emPOWER, U.S. Department of Health and Human Services, ASPR
- FEMA National Risk Index, Federal Emergency Management Agency
- LBNL data-center energy report, Lawrence Berkeley National Laboratory
Maintainer, contact & corrections
MassOutage is built and run by Dan Ochoa. If a number looks wrong (a county mislabeled, a utility missing, a source that has moved), email [email protected] with the page and what you saw, and it will be reviewed and fixed promptly. Utilities, press, privacy and security questions each have their own address on the contact page. See also the privacy page and terms of use.