When will the power be back in Thornton, CO?
Our restoration forecast is independent and unofficial, never the utility's commitment. How it works · How accurate it has been
Thornton is a city of about 146,689 residents in Adams County.
Southeast Colorado Power Association and Xcel Energy have reported outages for Thornton by name on their own public outage map (most recently observed 2026-08-17) — so when Thornton is affected, this page can show the city's own customers-out count and restoration time rather than only the county-wide total.
ZIP codes in Thornton:
Checking a ZIP goes straight to the address-level view for that area.
Around Thornton: the closest other places we track are Northglenn, about 2 miles to the west; Federal Heights, about 5 miles to the southwest; Broomfield, about 6 miles to the west; and Commerce City, about 7 miles to the southeast. Also nearby: Westminster (7 mi W), Brighton (9 mi NE), Erie (10 mi NW), Lafayette (10 mi NW), Louisville (11 mi W), Superior (11 mi W), Denver (12 mi S) and Arvada (13 mi SW).
Looking further out, the nearest place we track is: north toward Frederick (13 mi); northeast toward Sterling (104 mi); east toward Fort Morgan (65 mi); southeast toward Aurora (19 mi); south toward Englewood (19 mi); southwest toward Wheat Ridge (13 mi); west toward Steamboat Springs (106 mi); and northwest toward Boulder (18 mi).
Who serves Thornton?
We track live outage data from Xcel Energy, United Power ↗ and Morgan County Rural Electric Association in Adams County — but several utilities can serve one county, so confirm your own by searching your address on the live map. CORE Electric Cooperative also serves parts of Adams County — we don't yet read its own live outage map. For the parent company's combined picture, see Xcel Energy outages across every state it serves.
Thornton's last tracked outage began Oct 2, peaked at 4,492 customers out, and was restored in 2 hours. Across the 6 outages tracked here, the typical (median) restoration ran 2 hours.
- Oct 2 — 4,492 customers out, restored in 2 hours
- Sep 26 — 77 customers out, restored in 2 hours
- Sep 23 — 2,307 customers out, restored in an hour
- Sep 22 — 76 customers out, restored in an hour
County context: across all of Adams County, federal outage records (EAGLE-I, 2014–2025) show outages of 200+ customers typically restored in about 2.9 hr. The full record for Adams County
Common questions
How do I check the power outage status in Thornton, CO?
To check your own street, search a Thornton ZIP code — 80241 — and the map opens on that area.
Does this page show Thornton specifically, or the whole county?
Both, and for Thornton we have the city-level view: Southeast Colorado Power Association and Xcel Energy have published outages for Thornton under its own name, most recently seen on 2026-08-17. When Thornton is affected, you get its own customers-out count and restoration time, with the Adams County county-wide total shown separately as context. Don't add the two together — the county figure already includes Thornton.
