Power Outages in Sheridan County, MT
As of October 15, 2026 00:30 UTC, about 2 customers are without power in Sheridan County, MT across 1 reported incident. Sheridan Electric Coop, Inc publishes only a system-wide total, not county figures. In 2025, the average customer here lost power for about 0.3 hours.
Sheridan County, MT is served by 2 tracked utilities.
Cite this data
- URL
- https://massoutage.com/montana/sheridan-county
- As of
- October 15, 2026 00:30 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Sheridan County, MT", live data as of October 15, 2026 00:30 UTC. https://massoutage.com/montana/sheridan-county
0.0%of this county's ~2,878 customers are served by utilities with a county-level live feed.
Only visible while reporting outages: Montana-Dakota Utilities Co. Zero here is not a confirmed all-clear.
System-wide total only, no county split: Sheridan Electric Coop, Inc.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| Montana-Dakota Utilities Co | Outages only | none reported | - | - | - | - | - | - |
| Sheridan Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Sheridan 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 (9)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 59254 | 20 | 0 | 15 | 0 |
| 59275 | ≤11 | 0 | ≤11 | 0 |
| 59257 | ≤11 | 0 | ≤11 | 0 |
| 59256 | ≤11 | 0 | ≤11 | 0 |
| 59252 | ≤11 | 0 | ≤11 | ≤11 |
| 59247 | ≤11 | 0 | ≤11 | 0 |
| 59242 | ≤11 | 0 | ≤11 | 0 |
| 59219 | ≤11 | 0 | ≤11 | 0 |
| 59211 | ≤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 Sheridan County or any town and utility in it.
No active NWS alerts for Sheridan County right now.
Sheridan County has been under 3 National Weather Service alerts recently, most recently a Dense Fog Advisory on September 24, 2026.
- Dense Fog Advisory ×2
- High Wind Warning ×1
Hardest-hit cities in Sheridan 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 Sheridan Countyisn't available yet.
Historical reliability
In 2025, the average customer in Sheridan County went about 0.3 hours without power. Peak simultaneous outage on record reached 1,246 customers.
The US EIA reports Montana utilities averaged 4.8 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 0.3 hrs.
Worst year here was 2018 (peak 1,194 customers out) · decade average 4.1 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2017 | 26 | 649 | 2.0 |
| 2018 | 12 | 1,194 | 19.1 |
| 2019 | 27 | 364 | 2.8 |
| 2020 | 36 | 1,246 | 5.8 |
| 2021 | 23 | 991 | 2.7 |
| 2022 | 17 | 290 | 1.2 |
| 2023 | 13 | 79 | 0.3 |
| 2024 | 12 | 629 | 2.4 |
| 2025 | 14 | 94 | 0.3 |
Cost of power in Sheridan County
ENERGY & AI DEMAND →Estimated residential electricity price for Sheridan 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 Co12.3¢19,626 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 · 4.1 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively moderate: outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Sheridan County: FAQ
- How often does Sheridan County, MT lose power?
- Based on EAGLE-I records, Sheridan County, MT logged 14 distinct outage events in 2025, averaging about 0.3 hours without power per customer over the year.
- What was the worst power outage in Sheridan County, MT?
- The largest tracked outage peaked at 1,246 customers without power, beginning July 24, 2020 and lasting about 20h.
- Is there a power outage in Sheridan County, MT right now?
- Yes, about 2 customers are currently without power across 1 reported incident(s).
- Which utilities serve Sheridan County, MT?
- Tracked electric providers include Sheridan Electric Coop, Inc.
Outages are tracked at the county level; these ZIP codes fall within Sheridan County.
59211, 59219, 59242, 59247, 59252, 59254, 59256, 59257, 59258, 59275
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 | - |
| Sheridan Electric Coop, Inc | - | Live · total only | - |
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 Montana customers). Machine-readable data: /api/v1/counties/30091 and /api/v1/counties/30091/history. Live data as of .