massoutage

Power Outages in Contra Costa County, CA

As of July 18, 2026 18:54 UTC, about 21 customers are without power in Contra Costa County, CA across 4 reported incidents. In 2025, the average customer here lost power for about 3.0 hours.

Contra Costa County, CA is served by 1 tracked utility.

🔔 Alert me
Contra Costa County, CA
Loading map…
This county 0out
Scattered outages

21 customers without power

Across 4 reported incidents.

Live data as of

🔔 Email me when Contra Costa County, CA loses power
🔔 Alerts for Contra Costa County, CA:
◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Contra Costa County right now.

Recent NWS alert activity · Contra Costa County

Contra Costa County has been under 13 National Weather Service alerts recently — most recently a Local Area Emergency on July 17, 2026.

  • Coastal Flood Advisory ×8
  • Heat Advisory ×3
  • Local Area Emergency ×1
  • Tsunami Warning ×1

Latest Contra Costa County, CA outage updates

A running log of how this outage has changed — updated automatically as utilities report in.

  1. RESOLVED

    Power restored after 1h 27m

  2. GREW

    Outage grew to 907 customers out (0.2% of the county)

  3. OUTAGE BEGAN

    Outage began — 585 customers out (0.1% of the county)

  4. RESOLVED

    Power restored after 11m

  5. OUTAGE BEGAN

    Outage began — 1,419 customers out (0.3% of the county)

  6. RESOLVED

    Power restored after 2h 5m

  7. OUTAGE BEGAN

    Outage began — 1,435 customers out

  8. RESOLVED

    Power restored after 32m

OUTAGE TREND
Contra Costa County, CA
21
AS OF LAST UPDATE · PEAK 711
Updated July 18, 2026
2 PM8 PM2 AM9 AM2 PM

Hardest-hit cities in Contra Costa County

Where this event is concentrated across the county's towns and townships.

Per-city live breakdown needs data

Live outage counts are tracked at the county level; a city-by-city split within Contra Costa Countyisn't available yet.

Historical reliability

In 2025, the average customer in Contra Costa County went about 3.0 hours without power. Peak simultaneous outage on record reached 80,988 customers.

A decade of outages (20172025)
avg hrs without power / customer
0.0h20171.5h20187.8h20193.7h20204.3h20213.4h20228.0h20235.5h20243.0h2025

Worst year here was 2023 (peak 80,988 customers out) · decade average 4.1 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
201712360.0
201822126,0681.5
201941170,2677.8
202056818,3893.7
202129820,0394.3
202238524,9623.4
202326980,9888.0
202427641,2195.5
202527811,3363.0
Worst recorded outages
STARTEDPEAK OUTDURATION
March 13, 202380,9885d 15h
October 27, 201970,2672d 1h
September 27, 201950,2042d 18h
March 19, 202348,23613d 8h
February 4, 202441,2194d 2h
See the biggest power outages in US history →
Natural hazards & outage risk
ELEVATED

Relatively Moderate wildfire exposure · 4.1 hrs/yr of outages over the last decade.

FloodingVery High
Heat waveRelatively High
EarthquakeRelatively High
WildfireRelatively Moderate
All hazard rankings →

Power outages in Contra Costa County: FAQ

How often does Contra Costa County, CA lose power?
Based on EAGLE-I records, Contra Costa County, CA logged 278 distinct outage events in 2025, averaging about 3.0 hours without power per customer over the year.
What was the worst power outage in Contra Costa County, CA?
The largest tracked outage peaked at 80,988 customers without power, beginning March 13, 2023 and lasting about 5d 15h.
Is there a power outage in Contra Costa County, CA right now?
Yes — about 21 customers are currently without power across 4 reported incident(s).
Which utilities serve Contra Costa County, CA?
Tracked electric providers include PGE.
Nearby counties
Cities & towns in Contra Costa County

Concord, Antioch, Richmond, San Ramon, Pittsburg, Walnut Creek, Brentwood, Oakley, Danville. Outage counts for these communities are reported at the Contra Costa County level shown above.

ZIP codes in Contra Costa County

Outages are tracked at the county level; these ZIP codes fall within Contra Costa County (showing 40 of 43).

94505, 94506, 94507, 94509, 94511, 94513, 94514, 94516, 94517, 94518, 94519, 94520, 94521, 94523, 94525, 94526, 94528, 94530, 94531, 94547, 94548, 94549, 94553, 94556, 94561, 94563, 94564, 94565, 94569, 94572, 94575, 94582, 94583, 94595, 94596, 94597, 94598, 94708, 94801, 94803

Electric providers serving this county

From EIA-861 service territory, with official reliability where reported.

ProviderOfficial SAIDI (EIA)LiveReport outage
PGEODIN ✓

Machine-readable data: /api/v1/counties/06013 and /api/v1/counties/06013/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of California customers). Live data as of .