Electricity rates in Portola Valley, CA
Portola Valley (4,594 people, San Mateo County) is served by 2 electric utilities. Homes on Pacific Gas & Electric Co. pay about 36.47¢/kWh, 11% more than the California average.
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Electric companies serving Portola Valley
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Pacific Gas & Electric Co. | Investor-owned utility | 36.47¢ | $169 | 1.74M | 273 |
| City of Palo Alto | Municipal utility | 21.66¢ | $112 | 26K | 68 |
Power outages in San Mateo County right now
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Outage history in San Mateo County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 752 | 390 |
| Days with outages | 100 | 94 |
| Most customers out at once | 81,483 (24.8%) | 36,840 (11.2%) |
| Worst day | 2024-02-05 | 2025-01-16 |
Outage minutes by month, 2025
Less outage time than 2024 (752 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Ladera 36.5¢
- Woodside 36.5¢
- West Menlo Park 36.5¢
- Stanford 36.5¢
- Los Altos Hills 36.5¢
- Menlo Park 36.5¢
- Atherton 36.5¢
- Emerald Lake Hills 36.5¢
- Palo Alto 36.5¢
- Los Altos 36.5¢
ZIP codes: 94028
Frequently asked questions
What is the electricity rate in Portola Valley?
Most homes in Portola Valley get power from Pacific Gas & Electric Co., where residential customers pay an average of 36.47¢/kWh including all charges. The California average is 32.99¢ and the U.S. average 17.99¢. Other utilities serving parts of Portola Valley: City of Palo Alto (21.66¢).
What is the average electric bill in Portola Valley?
About $169 a month, based on 464 kWh a month (the average for Pacific Gas & Electric Co. customers) at 36.47¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Portola Valley, CA?
2 utilities serve Portola Valley's ZIP codes: Pacific Gas & Electric Co., City of Palo Alto. Which one serves you depends on your street address.
How often does the power go out in Portola Valley?
In 2025, customers in San Mateo County averaged 6 hr 30 min without power. Outages hit 94 days of the year, and the worst day was 2025-01-16, when 36,840 customers (11.2%) were out. Source: ORNL EAGLE-I.