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Power Outages in Contra Costa County, CA

As of October 19, 2026 02:36 UTC, about 1 customers are without power in Contra Costa County, CA across 1 reported incident. 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 3.0 hours.

Contra Costa County, CA is served by 2 tracked utilities.

Cite this data
URL
https://massoutage.com/california/contra-costa-county
As of
October 19, 2026 02:36 UTC
Publisher
MassOutage

MassOutage, "Power Outages in Contra Costa County, CA", live data as of October 19, 2026 02:36 UTC. https://massoutage.com/california/contra-costa-county

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Contra Costa County, CA
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This county Loading live outagesout
Scattered outages

1 customers without power

Across 1 reported incident.

Utility ETR: October 19, 2026 04:45 UTC (utility's estimate)

Not counted: no live feed for WAPA-- Western Area Power Administration.

Live data as of

Live status by utility · Contra Costa County

0.0%of this county's ~485,326 customers are served by utilities with a county-level live feed.

Blind spots

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.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Pacific Gas & Electric Co.Live · county1---1October 19, 2026 04:45 UTC
WAPA-- Western Area Power AdministrationNo live feedcan't see------

Pacific Gas & Electric Co. reportsevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.

Active outages in Contra Costa County1

Individual outages as listed by Pacific Gas & Electric Co., largest first. “<N” means the utility only publishes that the outage affects fewer than N customers.

CustomersCauseCrew statusUtility ETRStartedUtility
1PATROLLING-October 19, 2026 04:45 UTCPacific Gas & Electric Co.

Electricity-dependent residents

HHS emPOWER · data October 7, 2026

Medicare beneficiaries in Contra Costa 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.

Power-dependent
8,925
Oxygen service
1,505
Dialysis (facility)
1,379
Home health / hospice
2,447
By ZIP code (43)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
945656131231421
94509546≤1130218
945134971324316
945533931620412
94531361≤1119112
94806334≤1117915
94595328≤11179≤11
94521318≤11168≤11
94561311≤11190≤11
94804247≤11130≤11
94523244≤11110≤11
94526234≤11134≤11
94803209≤11106≤11
9451820413106≤11
94583197≤11100≤11
94598196≤1186≤11
94520192≤11105≤11
94547185≤1179≤11
94549180≤1187≤11
94801171≤1186≤11
94530167≤1173≤11
94564163≤1177≤11
94588156≤1186≤11
94596142≤1168≤11
94506133≤1162≤11
94597128≤1154≤11
94519119≤1168≤11
94563115≤1151≤11
94582106≤1143≤11
94507106≤1147≤11
9451797≤1143≤11
9450590≤1147≤11
9480579≤1139≤11
9457279≤1141≤11
9470878028≤11
9455674032≤11
9451134≤1120≤11
9452519≤11130
94569≤110≤110
94548≤110≤110
94528≤11≤11≤110
94516≤110≤110
94514≤11≤11≤110

Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.

🔔 Alerts for Contra Costa County, CA

Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Contra Costa County or any town and utility in it.

◢ 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 33 National Weather Service alerts recently, most recently a Coastal Flood Advisory on October 13, 2026.

  • Coastal Flood Advisory ×16
  • Heat Advisory ×16
  • 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 30m

  2. OUTAGE BEGAN

    Outage began: 682 customers out (0.1% of the county)

  3. RESOLVED

    Power restored after 1h 44m

  4. OUTAGE BEGAN

    Outage began: 750 customers out (0.2% of the county)

  5. RESOLVED

    Power restored after 4h 43m

  6. RESTORATION ETA

    Restoration now estimated October 13, 2026

  7. IMPROVING

    Improving: down to 299 customers out

  8. IMPROVING

    Improving: down to 881 customers out

Outage trend · Contra Costa County, CA
1customers out
Data as of Oct 19, 2026 02:30 UTC
Contra Costa County, CA: customers without power, last 24 hoursPeak 1 customers out; latest 1 as of Oct 19, 2026 02:30 UTC. Each point is the highest reading in its interval.00.30.50.81Oct 186 AM12 PM6 PM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

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.

Official state benchmark (EIA 2025)Source: US EIA

The US EIA reports California utilities averaged 6.0 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 3.0 hrs.

A decade of outages (2017–2025)
avg hrs without power / customer
Contra Costa County average outage hours per customer by year2017–2025: 2017 0.0h, 2018 1.5h, 2019 7.8h, 2020 3.7h, 2021 4.3h, 2022 3.4h, 2023 8.0h, 2024 5.5h, 2025 3.0h. Highlighted: 2023.024680.0h20171.5h20187.8h20193.7h20204.3h20213.4h20228.0h20235.5h20243.0h2025
Use the arrow keys to read values.

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

Cost of power in Contra Costa County

ENERGY & AI DEMAND →

Estimated residential electricity price for Contra Costa 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.

37.5¢/kWh
estimated residential average
▲ 108% since 2015
vs California avg 33.6¢
vs US avg 20.0¢
BY UTILITY · RESIDENTIAL ¢/kWh

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.

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 1 customers are currently without power across 1 reported incident(s).
Which utilities serve Contra Costa County, CA?
Tracked electric providers include Pacific Gas & Electric Co..
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
Pacific Gas & Electric Co.4.5 hrsLive · county-
WAPA-- Western Area Power Administration-No live feed-

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 California customers). Machine-readable data: /api/v1/counties/06013 and /api/v1/counties/06013/history. Live data as of .