When will the power be back in Dewey County, SD?
See current outages near you, plus an independent restoration forecast when enough trend data exists · South Dakota
1
customer reported out in Dewey County, SD
Reported by the utility's own live outage data — this county isn't included in the slower nationwide county tally.
A small number of customers are reported out — too few for a meaningful county-wide restoration estimate.
County-wide data — your specific neighborhood or circuit may be restored earlier or later.
Updated 3:22 AM MDT.
21 county-wide trend of customers without power · last 32 hr · tap or hover a point to see its number
Communities with reported outages — from the utilities that publish city-by-city detail for this county
Moreau-Grand — 1 customer reported out
⚡ No power in Dewey, SD? We'll notify you when the outage we're tracking looks mostly restored.
An alert when an outage is detected here, another once a dependable restoration estimate is ready, and an all-clear when the outage we're tracking looks substantially restored (~90% of customers back). No email, no account — anonymous usage stats only.
Our restoration forecast is independent and unofficial, never the utility's commitment. How it works · How accurate it has been
Who serves Dewey County?
County-wide coverage, with utility detail where available. Serving utilities tracked here include South Dakota Rural Electric Association, alongside the nationwide county-by-county tally. This is the utility we track here, not necessarily the only one serving it — enter a street address above for your exact provider.
Outage history — Dewey County, SD
Last significant outage: Aug 31, 2026 — peaked at 1,110 customers, restored in ~2 hr (no severe weather).
Across the 2 significant outages tracked here, restoration typically ran about 2.5 hr.
This county-level list covers larger outages (about 200+ customers at peak, lasting 30 minutes or more) — oldest listed: Aug 21, 2026. Smaller or briefer interruptions aren't listed.
Longer-term outage history — Dewey County, SD
Federal outage records (EAGLE-I, kept by the U.S. Department of Energy) show
16 notable outages (200+ customers at peak) here between 2014 and 2025.
Typical restoration ran ~1.9 hr (median), and outages here have been most common in summer.
That is shorter than the South Dakota norm in the same records, where the typical outage ran ~2.5 hr.
Largest on record: ~2,093 customers out in November 2025, restored after about 1.5 hr. The busiest year on record here was 2025.
Source: EAGLE-I (Oak Ridge National Laboratory / U.S. Department of Energy), county-level
records 2014–2025 measured by the same rules as our tracking archive above, over a far longer period than we have been tracking — the same method, a different set of outages. These are federal historical records,
not events tracked live by this site.
Communities covered
Communities in Dewey County include Timber Lake, Isabel, Green Grass, La Plant, Lantry, North Dewey, North Eagle Butte and South Dewey. Searches and the live map cover every address in the county, named here or not.
Nearby counties & areas
