Power Outages in Mariposa County, CA
As of September 2, 2026 14:02 UTC, about 20 customers are without power in Mariposa County, CA across 1 reported incident. In 2025, the average customer here lost power for about 32.7 hours.
Mariposa County, CA is served by 1 tracked utility.
No active NWS alerts for Mariposa County right now.
Mariposa County has been under 55 National Weather Service alerts recently — most recently a Special Weather Statement on August 12, 2026.
- Heat Advisory ×30
- Extreme Heat Warning ×13
- Special Weather Statement ×10
- Flood Advisory ×2
Latest Mariposa County, CA outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 2h 24m
- OUTAGE BEGAN
Outage began — 958 customers out (13% of the county)
- RESOLVED
Power restored after 2h 55m
- OUTAGE BEGAN
Outage began — 532 customers out (7.3% of the county)
Hardest-hit cities in Mariposa 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 Mariposa Countyisn't available yet.
Historical reliability
In 2025, the average customer in Mariposa County went about 32.7 hours without power. Peak simultaneous outage on record reached 10,893 customers.
Worst year here was 2021 (peak 10,893 customers out) · decade average 65.5 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2018 | 210 | 3,289 | 30.9 |
| 2019 | 433 | 10,236 | 61.9 |
| 2020 | 484 | 10,268 | 32.3 |
| 2021 | 404 | 10,893 | 137.9 |
| 2022 | 402 | 3,863 | 83.1 |
| 2023 | 407 | 10,887 | 111.7 |
| 2024 | 410 | 4,100 | 33.9 |
| 2025 | 400 | 3,844 | 32.7 |
Relatively High wildfire exposure · 65.5 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 Mariposa County: FAQ
- How often does Mariposa County, CA lose power?
- Based on EAGLE-I records, Mariposa County, CA logged 400 distinct outage events in 2025, averaging about 32.7 hours without power per customer over the year.
- What was the worst power outage in Mariposa County, CA?
- The largest tracked outage peaked at 10,893 customers without power, beginning November 3, 2021 and lasting about 9h 15m.
- Is there a power outage in Mariposa County, CA right now?
- Yes — about 20 customers are currently without power across 1 reported incident(s).
- Which utilities serve Mariposa County, CA?
- Tracked electric providers include PGE.
Outages are tracked at the county level; these ZIP codes fall within Mariposa County.
93623, 95306, 95311, 95318, 95325, 95338, 95345, 95389
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| PGE | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/06043 and /api/v1/counties/06043/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of California customers). Live data as of .