MassOutage is an unofficial aggregate of public utility outage maps and government data. Start here for the current picture, then open a page for the detail. For programmatic access see the developer docs.
Of 137,856,685 customers in EIA-861 2024.
What MassOutage is and isn’t, where it stops, and the official sources and utility maps to use when a decision matters.
Open →Coverage by state, the largest utilities we can’t see, outages not yet placed on a county, and how we compare with other trackers.
Open →Every utility outage map and government dataset we read, what each one covers and the terms it comes under, plus how the live feeds did on the latest poll.
Open →How live counts, thresholds, outage history, restoration estimates, reliability, prices and risk are calculated, and where the data falls short.
Open →