Power Outages in Grant County, SD
Montana-Dakota Utilities Co and Otter Tail Power Co have not reported outages here, but they only publishactive outages, so that isn't a confirmed all-clear. Codington-Clark Elec Coop, Inc, H-D Electric Coop Inc and Whetstone Valley Elec Coop Inc publish only a system-wide total, not county figures. There is no live feed for City of Big Stone City - (SD) and WAPA-- Western Area Power Administration. In 2025, the average customer here lost power for about 5.2 hours.
Grant County, SD is served by 7 tracked utilities.
Cite this data
- URL
- https://massoutage.com/south-dakota/grant-county
- As of
- Not available
- Publisher
- MassOutage
MassOutage, "Power Outages in Grant County, SD". https://massoutage.com/south-dakota/grant-county
Montana-Dakota Utilities Co and Otter Tail Power Co only appearin feeds while reporting outages, so no report isn't a confirmed all-clear.
Codington-Clark Elec Coop, Inc, H-D Electric Coop Inc and Whetstone Valley Elec Coop Inc publish no county-level figures.
No live feed for City of Big Stone City - (SD) and WAPA-- Western Area Power Administration: outages in theirservice area won't show here.
0.0%of this county's ~6,025 customers are served by utilities with a county-level live feed.
We can't see outages for: City of Big Stone City - (SD), WAPA-- Western Area Power Administration. Their customers are not in any number on this page; check their own outage maps.
Only visible while reporting outages: Montana-Dakota Utilities Co, Otter Tail Power Co. Zero here is not a confirmed all-clear.
System-wide total only, no county split: Codington-Clark Elec Coop, Inc, H-D Electric Coop Inc, Whetstone Valley Elec Coop Inc.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Codington-Clark Elec Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| H-D Electric Coop Inc | Live · total only | not by county | - | - | - | - | - | - |
| Montana-Dakota Utilities Co | Outages only | none reported | - | - | - | - | - | - |
| Otter Tail Power Co | Outages only | none reported | - | - | - | - | - | - |
| Whetstone Valley Elec Coop Inc | Live · total only | not by county | - | - | - | - | - | - |
| City of Big Stone City - (SD) | No live feed | can't see | - | - | - | - | - | - |
| WAPA-- Western Area Power Administration | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Grant Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.
By ZIP code (8)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 57252 | 63 | ≤11 | 45 | 0 |
| 57216 | 12 | ≤11 | ≤11 | 0 |
| 57269 | ≤11 | 0 | ≤11 | 0 |
| 57266 | ≤11 | 0 | ≤11 | 0 |
| 57265 | ≤11 | 0 | ≤11 | 0 |
| 57259 | ≤11 | ≤11 | ≤11 | 0 |
| 57251 | ≤11 | 0 | ≤11 | 0 |
| 57246 | ≤11 | 0 | ≤11 | 0 |
Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.
Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Grant County or any town and utility in it.
- Special Weather StatementMODERATE
Grant County has been under 17 National Weather Service alerts recently, most recently a Special Weather Statement on October 16, 2026.
- Dense Fog Advisory ×13
- Special Weather Statement ×4
Hardest-hit cities in Grant County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Grant County went about 5.2 hours without power. Peak simultaneous outage on record reached 1,916 customers.
The US EIA reports South Dakota utilities averaged 4.7 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 5.2 hrs.
Worst year here was 2021 (peak 1,490 customers out) · decade average 18.5 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2019 | 19 | 32 | 0.2 |
| 2020 | 33 | 725 | 0.5 |
| 2021 | 42 | 1,490 | 77.5 |
| 2022 | 71 | 1,495 | 42.9 |
| 2023 | 148 | 679 | 1.0 |
| 2024 | 185 | 1,674 | 2.5 |
| 2025 | 196 | 1,916 | 5.2 |
Cost of power in Grant County
ENERGY & AI DEMAND →Estimated residential electricity price for Grant County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.
- Otter Tail Power Co11.4¢9,094 cust
- Montana-Dakota Utilities Co13.0¢6,348 cust
Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.
Relatively Moderate ice storms exposure · 18.5 hrs/yr of outages over the last decade.
Power outages in Grant County: FAQ
- How often does Grant County, SD lose power?
- Based on EAGLE-I records, Grant County, SD logged 196 distinct outage events in 2025, averaging about 5.2 hours without power per customer over the year.
- What was the worst power outage in Grant County, SD?
- The largest tracked outage peaked at 1,916 customers without power, beginning April 7, 2025 and lasting about 1h.
- Is there a power outage in Grant County, SD right now?
- No major outage is currently reported for Grant County, SD. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Grant County, SD?
- Tracked electric providers include H-D Electric Coop Inc, Otter Tail Power Co.
Outages are tracked at the county level; these ZIP codes fall within Grant County.
57216, 57246, 57251, 57252, 57256, 57259, 57264, 57265, 57266, 57269
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Otter Tail Power Co | 8.9 hrs | Outages only | - |
| Montana-Dakota Utilities Co | 2.4 hrs | Outages only | - |
| WAPA-- Western Area Power Administration | - | No live feed | - |
| Codington-Clark Elec Coop, Inc | - | Live · total only | - |
| H-D Electric Coop Inc | - | Live · total only | - |
| Whetstone Valley Elec Coop Inc | - | Live · total only | - |
| City of Big Stone City - (SD) | - | No live feed | - |
Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of South Dakota customers). Machine-readable data: /api/v1/counties/46051 and /api/v1/counties/46051/history.