Power Outages in Harding County, SD
Montana-Dakota Utilities Co has not reported outages here, but it only publishesactive outages, so that isn't a confirmed all-clear. Grand Electric Coop, Inc publishes only a system-wide total, not county figures. There is no live feed for Southeast Electric Coop, Inc. In 2025, the average customer here lost power for about 10.8 hours.
Harding County, SD is served by 3 tracked utilities.
Cite this data
- URL
- https://massoutage.com/south-dakota/harding-county
- As of
- Not available
- Publisher
- MassOutage
MassOutage, "Power Outages in Harding County, SD". https://massoutage.com/south-dakota/harding-county
Montana-Dakota Utilities Co only appearsin feeds while reporting outages, so no report isn't a confirmed all-clear.
Grand Electric Coop, Inc publishes no county-level figures.
No live feed for Southeast Electric Coop, Inc: outages in itsservice area won't show here.
0.0%of this county's ~584 customers are served by utilities with a county-level live feed.
We can't see outages for: Southeast Electric Coop, Inc. Their customers are not in any number on this page; check their own outage maps.
Only visible while reporting outages: Montana-Dakota Utilities Co. Zero here is not a confirmed all-clear.
System-wide total only, no county split: Grand Electric Coop, Inc.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Grand Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| Montana-Dakota Utilities Co | Outages only | none reported | - | - | - | - | - | - |
| Southeast Electric Coop, Inc | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Harding 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 (4)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 57755 | ≤11 | 0 | ≤11 | 0 |
| 57724 | ≤11 | 0 | ≤11 | 0 |
| 57720 | ≤11 | ≤11 | ≤11 | 0 |
| 57651 | ≤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 Harding County or any town and utility in it.
No active NWS alerts for Harding County right now.
Harding County has been under 14 National Weather Service alerts recently, most recently a Freeze Warning on October 16, 2026.
- Freeze Warning ×5
- Wind Advisory ×5
- Special Weather Statement ×3
- Dense Fog Advisory ×1
Hardest-hit cities in Harding County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Harding County went about 10.8 hours without power. Peak simultaneous outage on record reached 1,783 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 10.8 hrs.
Worst year here was 2021 (peak 1,783 customers out) · decade average 10.5 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2017 | 2 | 65 | 0.0 |
| 2018 | 1 | 9 | 0.0 |
| 2019 | 62 | 137 | 3.6 |
| 2020 | 98 | 420 | 19.9 |
| 2021 | 103 | 1,783 | 23.8 |
| 2022 | 95 | 1,101 | 19.6 |
| 2023 | 83 | 417 | 6.9 |
| 2024 | 95 | 1,532 | 10.5 |
| 2025 | 93 | 1,041 | 10.8 |
Cost of power in Harding County
ENERGY & AI DEMAND →Estimated residential electricity price for Harding 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.
- 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 Low ice storms exposure · 10.5 hrs/yr of outages over the last decade.
Power outages in Harding County: FAQ
- How often does Harding County, SD lose power?
- Based on EAGLE-I records, Harding County, SD logged 93 distinct outage events in 2025, averaging about 10.8 hours without power per customer over the year.
- What was the worst power outage in Harding County, SD?
- The largest tracked outage peaked at 1,783 customers without power, beginning January 14, 2021 and lasting about 18h 15m.
- Is there a power outage in Harding County, SD right now?
- No major outage is currently reported for Harding County, SD. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Harding County, SD?
- Tracked electric providers include Grand Electric Coop, Inc.
Outages are tracked at the county level; these ZIP codes fall within Harding County.
57650, 57651, 57720, 57724, 57755, 57776
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Montana-Dakota Utilities Co | 2.4 hrs | Outages only | - |
| Grand Electric Coop, Inc | - | Live · total only | - |
| Southeast Electric Coop, Inc | - | 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/46063 and /api/v1/counties/46063/history.