Power Outages in Brown County, SD
Is there a power outage in Brown County, SD right now? Yes. As of October 19, 2026 17:55 UTC, about 15 customers are without power in Brown County, SD across 1 reported incident. Lake Region Electric Assn, Inc - (SD) publishes only a system-wide total, not county figures. There is no live feed for City of Groton - (SD), City of Hecla, NorthWestern Energy and WAPA-- Western Area Power Administration, so outages in their service area aren't counted.
Brown County, SD is served by 8 tracked utilities. In 2025, the average customer here lost power for about 1.9 hours.
Cite this data
- URL
- https://massoutage.com/south-dakota/brown-county
- As of
- October 19, 2026 17:55 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Brown County, SD", live data as of October 19, 2026 17:55 UTC. https://massoutage.com/south-dakota/brown-county
Not counted: no live feed for City of Groton - (SD), City of Hecla, NorthWestern Energy and WAPA-- Western Area Power Administration.
Report an outage in Brown County, SD
Report it to your electric utility; MassOutage can't take reports. For a downed line, stay at least 35 feet away and call 911.
No outage contact on file for Montana-Dakota Utilities Co, NorthWestern Energy - (SD), Northern Electric Coop, Inc, WAPA-- Western Area Power Administration, NorthWestern Energy, Lake Region Electric Assn, Inc - (SD) and 2 more; check your electric bill or the utility's website.
19%of this county's ~24,658 customers are served by utilities with a county-level live feed.
We can't see outages for: City of Groton - (SD), City of Hecla, NorthWestern Energy, WAPA-- Western Area Power Administration. Their customers are not in any number on this page; check their own outage maps.
System-wide total only, no county split: Lake Region Electric Assn, Inc - (SD).
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Northern Electric Coop, Inc | Live · county | 0 | 4,793 | 0.0% | - | - | - | |
| Lake Region Electric Assn, Inc - (SD) | Live · total only | not by county | - | - | - | - | - | - |
| Montana-Dakota Utilities Co | Live · county | 0 | - | - | - | 0 | - | |
| NorthWestern Energy - (SD) | Live · county | 15 | - | - | - | 1 | - | |
| City of Groton - (SD) | No live feed | can't see | - | - | - | - | - | - |
| City of Hecla | No live feed | can't see | - | - | - | - | - | - |
| NorthWestern Energy | No live feed | can't see | - | - | - | - | - | - |
| WAPA-- Western Area Power Administration | No live feed | can't see | - | - | - | - | - | - |
Northern Electric Coop, Inc, Montana-Dakota Utilities Co and NorthWestern Energy - (SD) reportevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.
Active outages in Brown County1
Individual outages as listed by NorthWestern Energy - (SD), largest first. “<N” means the utility only publishes that the outage affects fewer than N customers.
| Customers | Cause | Crew status | Utility ETR | Started | Utility |
|---|---|---|---|---|---|
| 15 | - | - | - | - | NorthWestern Energy - (SD) |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Brown 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 (12)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 57401 | 361 | ≤11 | 309 | ≤11 |
| 57445 | 23 | 0 | 19 | 0 |
| 57481 | ≤11 | 0 | ≤11 | ≤11 |
| 57479 | ≤11 | ≤11 | ≤11 | 0 |
| 57474 | ≤11 | 0 | ≤11 | 0 |
| 57460 | ≤11 | 0 | ≤11 | 0 |
| 57449 | ≤11 | 0 | ≤11 | 0 |
| 57446 | ≤11 | 0 | ≤11 | 0 |
| 57441 | ≤11 | 0 | ≤11 | 0 |
| 57433 | ≤11 | ≤11 | ≤11 | 0 |
| 57432 | ≤11 | 0 | ≤11 | 0 |
| 57427 | ≤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 Brown County or any town and utility in it.
No active NWS alerts for Brown County right now.
Brown County has been under 10 National Weather Service alerts recently, most recently a Frost Advisory on October 17, 2026.
- Dense Fog Advisory ×5
- Frost Advisory ×3
- Freeze Warning ×1
- Special Weather Statement ×1
Hardest-hit cities in Brown County
Where this event is concentrated across the county's towns and townships.
Live outage counts are tracked at the county level; a city-by-city split within Brown Countyisn't available yet.
Historical reliability
In 2025, the average customer in Brown County went about 1.9 hours without power. Peak simultaneous outage on record reached 6,685 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 1.9 hrs.
Worst year here was 2022 (peak 6,204 customers out) · decade average 2.0 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2019 | 6 | 155 | 0.1 |
| 2020 | 199 | 3,190 | 1.7 |
| 2021 | 200 | 3,279 | 1.1 |
| 2022 | 212 | 6,204 | 5.5 |
| 2023 | 167 | 6,685 | 2.5 |
| 2024 | 227 | 2,920 | 1.3 |
| 2025 | 259 | 1,838 | 1.9 |
Cost of power in Brown County
ENERGY & AI DEMAND →Estimated residential electricity price for Brown 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
- Montana-Dakota Utilities Co13.0¢6,348 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. What that adds up to each month, by state and utility: average electric bill.
Very High winter weather exposure · 2.0 hrs/yr of outages over the last decade.
Power outages in Brown County: FAQ
- How often does Brown County, SD lose power?
- Based on EAGLE-I records, Brown County, SD logged 259 distinct outage events in 2025, averaging about 1.9 hours without power per customer over the year.
- What was the worst power outage in Brown County, SD?
- The largest tracked outage peaked at 6,685 customers without power, beginning August 29, 2023 and lasting about 4h.
- Is there a power outage in Brown County, SD right now?
- Yes. As of October 19, 2026 17:55 UTC, about 15 customers are without power in Brown County, SD across 1 reported incident. Lake Region Electric Assn, Inc - (SD) publishes only a system-wide total, not county figures. There is no live feed for City of Groton - (SD), City of Hecla, NorthWestern Energy and WAPA-- Western Area Power Administration, so outages in their service area aren't counted.
- Which utilities serve Brown County, SD?
- Tracked electric providers include NorthWestern Energy, NorthWestern Energy - (SD), Northern Electric Coop, Inc.
Outages are tracked at the county level; these ZIP codes fall within Brown County.
57401, 57426, 57427, 57432, 57433, 57439, 57441, 57445, 57446, 57449, 57460, 57474, 57479, 57481
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported. Territory is filed by county, so these are the utilities with lines anywhere in Brown County, not the one at a given address. All electric companies in South Dakota →
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Montana-Dakota Utilities Co | 2.4 hrs | Live · county | - |
| NorthWestern Energy - (SD) | 2.0 hrs | Live · county | - |
| Northern Electric Coop, Inc | 1.2 hrs | Live · county | - |
| WAPA-- Western Area Power Administration | - | No live feed | - |
| NorthWestern Energy | - | No live feed | - |
| Lake Region Electric Assn, Inc - (SD) | - | Live · total only | - |
| City of Groton - (SD) | - | No live feed | - |
| City of Hecla | - | 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/46013 and /api/v1/counties/46013/history. Live data as of .