Power Outages in Marshall County, SD
Otter Tail Power Co and Traverse Electric Coop, Inc have not reported outages here, but they only publishactive outages, so that isn't a confirmed all-clear. Lake Region Electric Assn, Inc - (SD), NorthWestern Energy - (SD) and Northern Electric Coop, Inc publish only a system-wide total, not county figures. There is no live feed for Town of Langford- (SD) and WAPA-- Western Area Power Administration. In 2025, the average customer here lost power for about 14.6 hours.
Marshall County, SD is served by 7 tracked utilities.
Cite this data
- URL
- https://massoutage.com/south-dakota/marshall-county
- As of
- Not available
- Publisher
- MassOutage
MassOutage, "Power Outages in Marshall County, SD". https://massoutage.com/south-dakota/marshall-county
Otter Tail Power Co and Traverse Electric Coop, Inc only appearin feeds while reporting outages, so no report isn't a confirmed all-clear.
Lake Region Electric Assn, Inc - (SD), NorthWestern Energy - (SD) and Northern Electric Coop, Inc publish no county-level figures.
No live feed for Town of Langford- (SD) and WAPA-- Western Area Power Administration: outages in theirservice area won't show here.
0.0%of this county's ~4,428 customers are served by utilities with a county-level live feed.
We can't see outages for: Town of Langford- (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: Otter Tail Power Co, Traverse Electric Coop, Inc. Zero here is not a confirmed all-clear.
System-wide total only, no county split: Lake Region Electric Assn, Inc - (SD), NorthWestern Energy - (SD), Northern Electric Coop, Inc.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Lake Region Electric Assn, Inc - (SD) | Live · total only | not by county | - | - | - | - | - | - |
| NorthWestern Energy - (SD) | Live · total only | not by county | - | - | - | - | - | - |
| Northern Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| Otter Tail Power Co | Outages only | none reported | - | - | - | - | - | - |
| Traverse Electric Coop, Inc | Outages only | none reported | - | - | - | - | - | - |
| Town of Langford- (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 Marshall 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 (5)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 57430 | 23 | 0 | 16 | 0 |
| 57454 | ≤11 | ≤11 | ≤11 | 0 |
| 57270 | ≤11 | 0 | ≤11 | 0 |
| 57247 | ≤11 | 0 | ≤11 | 0 |
| 57232 | ≤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 Marshall County or any town and utility in it.
No active NWS alerts for Marshall County right now.
Marshall County has been under 16 National Weather Service alerts recently, most recently a Special Weather Statement on October 17, 2026.
- Dense Fog Advisory ×8
- Special Weather Statement ×5
- Frost Advisory ×3
Hardest-hit cities in Marshall County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Marshall County went about 14.6 hours without power. Peak simultaneous outage on record reached 872 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 14.6 hrs.
Worst year here was 2022 (peak 701 customers out) · decade average 14.9 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2019 | 48 | 691 | 5.0 |
| 2020 | 95 | 834 | 8.2 |
| 2021 | 73 | 436 | 2.3 |
| 2022 | 80 | 701 | 45.6 |
| 2023 | 95 | 872 | 19.9 |
| 2024 | 105 | 827 | 8.8 |
| 2025 | 111 | 692 | 14.6 |
Cost of power in Marshall County
ENERGY & AI DEMAND →Estimated residential electricity price for Marshall 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.
- NorthWestern Energy - (SD)13.4¢51,787 cust
- Otter Tail Power Co11.4¢9,094 cust
- Northern Electric Coop, Inc11.4¢5,823 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 winter weather exposure · 14.9 hrs/yr of outages over the last decade.
Power outages in Marshall County: FAQ
- How often does Marshall County, SD lose power?
- Based on EAGLE-I records, Marshall County, SD logged 111 distinct outage events in 2025, averaging about 14.6 hours without power per customer over the year.
- What was the worst power outage in Marshall County, SD?
- The largest tracked outage peaked at 872 customers without power, beginning July 27, 2023 and lasting about 10h 15m.
- Is there a power outage in Marshall County, SD right now?
- No major outage is currently reported for Marshall County, SD. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Marshall County, SD?
- Tracked electric providers include Otter Tail Power Co.
Outages are tracked at the county level; these ZIP codes fall within Marshall County.
57232, 57247, 57270, 57421, 57430, 57454
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 | - |
| NorthWestern Energy - (SD) | 2.0 hrs | Live · total only | - |
| Northern Electric Coop, Inc | 1.2 hrs | Live · total only | - |
| WAPA-- Western Area Power Administration | - | No live feed | - |
| Traverse Electric Coop, Inc | - | Outages only | - |
| Lake Region Electric Assn, Inc - (SD) | - | Live · total only | - |
| Town of Langford- (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/46091 and /api/v1/counties/46091/history.