Power Outages in Lewis and Clark County, MT
As of October 15, 2026 00:30 UTC, about 3 customers are without power in Lewis and Clark County, MT across 1 reported incident. NorthWestern Energy LLC - (MT), Sun River Electric Coop, Inc and Vigilante Electric Coop, Inc publish only a system-wide total, not county figures. There is no live feed for WAPA-- Western Area Power Administration, so outages in their service area aren't counted. In 2025, the average customer here lost power for about 8.4 hours.
Lewis and Clark County, MT is served by 4 tracked utilities.
Cite this data
- URL
- https://massoutage.com/montana/lewis-and-clark-county
- As of
- October 15, 2026 00:30 UTC
- Publisher
- MassOutage
MassOutage, "Power Outages in Lewis and Clark County, MT", live data as of October 15, 2026 00:30 UTC. https://massoutage.com/montana/lewis-and-clark-county
Not counted: no live feed for WAPA-- Western Area Power Administration.
0.0%of this county's ~34,538 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.
System-wide total only, no county split: NorthWestern Energy LLC - (MT), Sun River Electric Coop, Inc, Vigilante Electric Coop, Inc.
| Utility | Feed | Out | Served | % out | Small outages | Incidents | Utility ETR | As of |
|---|---|---|---|---|---|---|---|---|
| NorthWestern Energy LLC - (MT) | Live · total only | not by county | - | - | - | - | - | - |
| Sun River Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| Vigilante Electric Coop, Inc | Live · total only | not by county | - | - | - | - | - | - |
| WAPA-- Western Area Power Administration | No live feed | can't see | - | - | - | - | - | - |
Electricity-dependent residents
HHS emPOWER · data October 7, 2026Medicare beneficiaries in Lewis and Clark 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 (7)
| ZIP | Power-dependent | Ventilators | O2 concentrators | Home dialysis |
|---|---|---|---|---|
| 59601 | 682 | ≤11 | 609 | ≤11 |
| 59602 | 539 | ≤11 | 483 | ≤11 |
| 59639 | 40 | ≤11 | 34 | ≤11 |
| 59410 | 15 | ≤11 | 12 | 0 |
| 59648 | 12 | 0 | ≤11 | 0 |
| 59636 | ≤11 | 0 | ≤11 | 0 |
| 59633 | ≤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 Lewis and Clark County or any town and utility in it.
- High Wind WarningSEVERE
Lewis and Clark County has been under 45 National Weather Service alerts recently, most recently a High Wind Warning on October 18, 2026.
- Dense Fog Advisory ×8
- High Wind Warning ×7
- Winter Storm Warning ×7
- Special Weather Statement ×6
- Winter Weather Advisory ×4
- Flood Watch ×3
Latest Lewis and Clark County, MT outage updates
A running log of how this outage has changed, updated automatically as utilities report in.
- RESOLVED
Power restored after 1h 26m
- OUTAGE BEGAN
Outage began: 636 customers out (1.9% of the county)
Hardest-hit cities in Lewis and Clark 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 Lewis and Clark Countyisn't available yet.
Historical reliability
In 2025, the average customer in Lewis and Clark County went about 8.4 hours without power. Peak simultaneous outage on record reached 27,788 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 8.4 hrs.
Worst year here was 2025 (peak 12,309 customers out) · decade average 4.1 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2019 | 5 | 2 | 0.0 |
| 2020 | 419 | 8,404 | 4.0 |
| 2021 | 514 | 27,788 | 7.2 |
| 2022 | 479 | 2,780 | 2.9 |
| 2023 | 422 | 5,382 | 2.3 |
| 2024 | 459 | 3,211 | 3.6 |
| 2025 | 464 | 12,309 | 8.4 |
Cost of power in Lewis and Clark County
ENERGY & AI DEMAND →Estimated residential electricity price for Lewis and Clark 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 LLC - (MT)14.4¢333,711 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.
Very High winter weather exposure · 4.1 hrs/yr of outages over the last decade.
Power outages in Lewis and Clark County: FAQ
- How often does Lewis and Clark County, MT lose power?
- Based on EAGLE-I records, Lewis and Clark County, MT logged 464 distinct outage events in 2025, averaging about 8.4 hours without power per customer over the year.
- What was the worst power outage in Lewis and Clark County, MT?
- The largest tracked outage peaked at 27,788 customers without power, beginning June 3, 2021 and lasting about 22h 30m.
- Is there a power outage in Lewis and Clark County, MT right now?
- Yes, about 3 customers are currently without power across 1 reported incident(s).
- Which utilities serve Lewis and Clark County, MT?
- Tracked electric providers include NorthWestern Energy LLC - (MT).
Outages are tracked at the county level; these ZIP codes fall within Lewis and Clark County.
59410, 59601, 59602, 59623, 59625, 59633, 59635, 59636, 59639, 59640, 59648
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| NorthWestern Energy LLC - (MT) | 2.1 hrs | Live · total only | - |
| WAPA-- Western Area Power Administration | - | No live feed | - |
| Vigilante Electric Coop, Inc | - | Live · total only | - |
| Sun River 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/30049 and /api/v1/counties/30049/history. Live data as of .