UNITIL ENERGY SYSTEMS— Outages & Reliability
As of July 18, 2026 19:06 UTC, about 1 UNITIL ENERGY SYSTEMS customers are without power in 1 county.
UNITIL ENERGY SYSTEMS is an electric utility serving 4 counties in Massachusetts and New Hampshire. UNITIL ENERGY SYSTEMS did not report standardized reliability metrics to the EIA (common for smaller or short-form utilities), but its service territory and outage history are tracked below.
UNITIL ENERGY SYSTEMS customers out in 1 county
Official reliability
US EIAOUTAGE TREND
UNITIL ENERGY SYSTEMS
1
AS OF LAST UPDATE · PEAK 211
Updated July 18, 2026
3 PM8 PM3 AM9 AM3 PM
Counties served by UNITIL ENERGY SYSTEMS (4)
Service territory reported to EIA-861 — each links to live outage status and history.
UNITIL ENERGY SYSTEMS: FAQ
- How reliable is UNITIL ENERGY SYSTEMS?
- UNITIL ENERGY SYSTEMS did not report standardized SAIDI/SAIFI reliability metrics to the EIA. Outage history for the counties it serves is available on their individual pages.
- How many customers does UNITIL ENERGY SYSTEMS serve?
- UNITIL ENERGY SYSTEMS serves 4 counties across Massachusetts and New Hampshire, per its EIA-861 service territory filing.
- Where does UNITIL ENERGY SYSTEMS provide power?
- UNITIL ENERGY SYSTEMS operates in Massachusetts, New Hampshire. The full list of counties served is below, each linked to its live outage status.
Reliability metrics (SAIDI/SAIFI) and service territory from the US EIA Form 861. SAIDI/SAIFI are IEEE-standard, including major event days. Primary state: Massachusetts.