Power Outages in Lyman County, SD
As of October 19, 2026 12:50 UTC, no outages are reported by West Central Electric Coop Inc - (SD) and Rosebud Electric Coop Inc in Lyman County, SD. There is no live feed for WAPA-- Western Area Power Administration. In 2025, the average customer here lost power for about 2.0 hours.
Lyman County, SD is served by 3 tracked utilities.
Cite this data
- URL
- https://massoutage.com/south-dakota/lyman-county
- As of
- October 19, 2026 12:50 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Lyman County, SD", live data as of October 19, 2026 12:50 UTC. https://massoutage.com/south-dakota/lyman-county
No active outages are reported by West Central Electric Coop Inc - (SD) and Rosebud Electric Coop Inc in Lyman County.
No live feed for WAPA-- Western Area Power Administration: outages in itsservice area won't show here.
43%of this county's ~5,929 customers are served by utilities with a county-level live feed.
We can't see outages for: WAPA-- Western Area Power Administration. Their customers are not in any number on this page; check their own outage maps.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| West Central Electric Coop Inc - (SD) | Live · county | 0 | 2,436 | 0.0% | - | - | - | |
| Rosebud Electric Coop Inc | Live · county | 0 | 129 | 0.0% | - | - | - | |
| WAPA-- Western Area Power Administration | No live feed | can't see | - | - | - | - | - | - |
West Central Electric Coop Inc - (SD) and Rosebud Electric Coop Inc reportevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Lyman 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 (6)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 57576 | ≤11 | 0 | ≤11 | 0 |
| 57569 | ≤11 | 0 | ≤11 | 0 |
| 57568 | ≤11 | 0 | ≤11 | 0 |
| 57548 | ≤11 | 0 | ≤11 | ≤11 |
| 57544 | ≤11 | 0 | ≤11 | 0 |
| 57365 | ≤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 Lyman County or any town and utility in it.
No active NWS alerts for Lyman County right now.
Lyman County has been under 23 National Weather Service alerts recently, most recently a Wind Advisory on October 16, 2026.
- Dense Fog Advisory ×14
- Wind Advisory ×4
- Frost Advisory ×3
- Special Weather Statement ×2
Hardest-hit cities in Lyman County
Where this event is concentrated across the county's towns and townships.
Historical reliability
In 2025, the average customer in Lyman County went about 2.0 hours without power. Peak simultaneous outage on record reached 1,281 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 2.0 hrs.
Worst year here was 2020 (peak 628 customers out) · decade average 5.5 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2019 | 39 | 521 | 2.2 |
| 2020 | 69 | 628 | 22.9 |
| 2021 | 106 | 1,034 | 3.7 |
| 2022 | 85 | 426 | 4.0 |
| 2023 | 73 | 1,281 | 2.2 |
| 2024 | 84 | 471 | 1.5 |
| 2025 | 102 | 296 | 2.0 |
Cost of power in Lyman County
ENERGY & AI DEMAND →Estimated residential electricity price for Lyman 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.
- Rosebud Electric Coop Inc11.9¢4,911 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 · 5.5 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability very high: outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Lyman County: FAQ
- How often does Lyman County, SD lose power?
- Based on EAGLE-I records, Lyman County, SD logged 102 distinct outage events in 2025, averaging about 2.0 hours without power per customer over the year.
- What was the worst power outage in Lyman County, SD?
- The largest tracked outage peaked at 1,281 customers without power, beginning July 6, 2023 and lasting about 9h 45m.
- Is there a power outage in Lyman County, SD right now?
- No major outage is currently reported for Lyman County, SD. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Lyman County, SD?
- Tracked electric providers include West Central Electric Coop Inc - (SD).
Outages are tracked at the county level; these ZIP codes fall within Lyman County.
57365, 57544, 57548, 57568, 57569, 57576
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Rosebud Electric Coop Inc | 2.3 hrs | Live · county | - |
| WAPA-- Western Area Power Administration | - | No live feed | - |
| West Central Electric Coop Inc - (SD) | - | Live · county | - |
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/46085 and /api/v1/counties/46085/history.