Mariposa County, CA Power Outages
Utilities serving Mariposa County, California don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
Mariposa County on the California outage map
- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Mariposa County power outage history
Every significant outage recorded in Mariposa County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 274 significant power outages in Mariposa County, meaning events that left at least 1% of customers in the dark. The largest (Nov 3, 2021) left 10,893 customers (100% of the county) without power. NOAA recorded no major storm in the area at the time.
From 2018 to 2025, the average customer here lost about 65 hr 32 min of power per year, more than the California average of 6 hr 35 min. That ranks 4th of 58 California counties for outage time, where 1st has the most.
July is the riskiest month: it accounted for 19% of all customer outage time from 2018 to 2025. On 341 days in that period, at least 5% of customers were out at the same time. Outage time in Mariposa County has held roughly steady recently: about 65 hr 20 min per customer per year in 2022–2025, versus 65 hr 44 min in 2018–2021.
The most recent significant outage on record (Dec 25, 2025) affected 205 customers (2.8%) amid high winds.
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Nov 3, 2021 | 10,893(100%) | 1 | No major storm reported |
| 2 | Feb 22 – Mar 9, 2023 | 10,887(100%) | 16 | Flooding |
| 3 | Mar 10–11, 2021 | 10,290(100%) | 2 | Winter storm |
| 4 | Oct 4, 2020 | 10,268(100%) | 1 | Wildfire |
| 5 | Feb 16–20, 2019 | 10,236(100%) | 5 | Winter storm |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in Mariposa County?
Electric companies with service territory in Mariposa County (EIA-861, 2025)
| Utility | Type | Customers (CA) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| PG&E | Investor Owned | 5,728,333 | Not reporting |
Customer counts are each utility's statewide total in California. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No Mariposa County outage headlines in the past week.
Nearby counties
Mariposa County power outage FAQ
Is the power out in Mariposa County right now?
No outages are currently reported for Mariposa County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves Mariposa County?
According to EIA-861 service territory data, Pacific Gas & Electric Co. provide electric service in Mariposa County, California.
What was the worst power outage in Mariposa County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Nov 3, 2021. It peaked at 10,893 customers without power (100% of the county). NOAA storm reports for that period point to no major storm reported.
How often does the power go out in Mariposa County?
EAGLE-I has recorded 274 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 65 hr 32 min of power per year, and on 341 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Mariposa County, CA Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/california/mariposa-county