Power Outages in San Mateo County, CA
As of July 18, 2026 18:54 UTC, about 44 customers are without power in San Mateo County, CA across 6 reported incidents. In 2025, the average customer here lost power for about 6.5 hours.
San Mateo County, CA is served by 1 tracked utility.
No active NWS alerts for San Mateo County right now.
San Mateo County has been under 15 National Weather Service alerts recently — most recently a Tsunami Warning on July 16, 2026.
- Coastal Flood Advisory ×14
- Tsunami Warning ×1
Latest San Mateo County, CA outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 43m
- OUTAGE BEGAN
Outage began — 3,647 customers out
- RESOLVED
Power restored after 2h 11m
- OUTAGE BEGAN
Outage began — 1,329 customers out
Hardest-hit cities in San Mateo 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 San Mateo Countyisn't available yet.
Historical reliability
In 2025, the average customer in San Mateo County went about 6.5 hours without power. Peak simultaneous outage on record reached 81,483 customers.
Worst year here was 2023 (peak 67,816 customers out) · decade average 7.8 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2017 | 8 | 162 | 0.0 |
| 2018 | 300 | 33,771 | 1.3 |
| 2019 | 345 | 56,555 | 10.9 |
| 2020 | 506 | 36,697 | 4.1 |
| 2021 | 295 | 46,910 | 8.2 |
| 2022 | 321 | 15,867 | 3.8 |
| 2023 | 214 | 67,816 | 22.9 |
| 2024 | 235 | 81,483 | 12.5 |
| 2025 | 266 | 36,840 | 6.5 |
Relatively Moderate wildfire exposure · 7.8 hrs/yr of outages over the last decade.
Power outages in San Mateo County: FAQ
- How often does San Mateo County, CA lose power?
- Based on EAGLE-I records, San Mateo County, CA logged 266 distinct outage events in 2025, averaging about 6.5 hours without power per customer over the year.
- What was the worst power outage in San Mateo County, CA?
- The largest tracked outage peaked at 81,483 customers without power, beginning January 31, 2024 and lasting about 13d 22h.
- Is there a power outage in San Mateo County, CA right now?
- Yes — about 44 customers are currently without power across 6 reported incident(s).
- Which utilities serve San Mateo County, CA?
- Tracked electric providers include PGE.
San Mateo, Daly City, Redwood City, South San Francisco, San Bruno. Outage counts for these communities are reported at the San Mateo County level shown above.
Outages are tracked at the county level; these ZIP codes fall within San Mateo County.
94002, 94005, 94010, 94014, 94015, 94018, 94019, 94020, 94021, 94025, 94027, 94028, 94030, 94037, 94038, 94044, 94060, 94061, 94062, 94063, 94065, 94066, 94070, 94074, 94080, 94128, 94401, 94402, 94403, 94404
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/06081 and /api/v1/counties/06081/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of California customers). Live data as of .