Napa County, California: Power, Data Centers and the Local Economy
Home to Napa, American Canyon and St. Helena
The data center boom is not abstract in Napa County: it is on the ground here. The SAVRN Data Center Map lists 3 data centers in Napa County. Napa County is home to Napa, American Canyon, St. Helena and Calistoga. 26 MW of new generation is planned here across 2 units, led by Laketricity USA Inc. (solar). 2 MW of it is already under construction or built. Construction employs 4,086, down 13.0% since 2019. Unemployment was 4.3% in August 2026, against 2.9% in 2019.
Cities and towns in Napa County
Napa County is home to Napa, American Canyon, St. Helena and Calistoga.
Unincorporated communities (governed by the county): Angwin, Deer Park, Moskowite Corner, Oakville, Rutherford, Silverado Resort.
Residents are 2025 Census estimates for the part of each city, town or township inside this county. Census publishes no annual estimate for unincorporated communities.
What changed in Napa County
1st = the most. Ranks cover counties with a value on record.
| Measure | Then | Now | Change | Rank in California |
|---|---|---|---|---|
| Population (2020 → 2025) | 137,481 | 132,949 | ▼ 3.3% | 34th of 58 by size |
| Total jobs (2019 → 2025) | 79,729 | 79,072 | ▼ 0.8% | 48th of 58 by growth |
| Average annual pay (2019 → 2025) | $57,555 | $73,209 | ▲ 27.2% | — |
| Construction jobs (2019 → 2025) | 4,699 | 4,086 | ▼ 13.0% | 48th of 51 by growth |
| Unemployment rate (2019 → August 2026) | 2.9% | 4.3% | ▲ 1.4pts | — |
| Generating capacity added since 2019 | — | 26 MW | — | |
| Generating capacity retired since 2019 | — | 1 MW | — | |
| Planned generation (Aug 2026) | — | 26 MW | 85% of today's fleet | 22nd of 30 by size |
1 MW has retired here since 2019, including Coca Cola American Canyon (natural gas, 1 MW, 2020). 26 MW of that came online in 2019 or later, mostly battery storage. Its power plants have 31 MW of capacity, 39% of it battery storage. Electrical contractors employ 342, at an average $97,346 a year. Pacific Gas & Electric Co. is the largest utility serving Napa County. Its residential customers paid an average 39.62¢/kWh in 2024, above the 20.66¢ median for California utilities. Employers here counted 79,072 jobs in 2025, down 0.8% from 2019. 132,949 people live here, down 3.3% since 2020.
Who powers Napa County
Net change in operating capacity since 2019: +25 MW. Colors follow the fuel legend above.
Utilities with service territory in Napa County
| Utility | Ownership | Service | Residential customers (systemwide) | Residential price, 2024 | Commercial share of sales |
|---|---|---|---|---|---|
| Pacific Gas & Electric Co. | Investor Owned | Bundled | 5,047,461 | 39.62¢ | 30% |
Customer counts, prices and sales shares cover each utility's whole system in the state, not only this county. Commercial sales include data centers.
Operating power plants 6
| Technology | Capacity | Share |
|---|---|---|
| Battery storage | 12 MW | 39% |
| Other technologies | 8 MW | 26% |
| Solar | 6 MW | 20% |
| Natural gas | 5 MW | 15% |
| Largest plants | Owner | Technology | MW | Since |
|---|---|---|---|---|
| Calistoga Resilency Center | Calistoga Resiliency Center, LLC | Battery storage | 19 MW | 2025 |
| Kaiser Napa Valley Corporate Dr Fuel Cel | 2016 ESA Project Company, LLC | Natural gas | 5 MW | 2017 |
| American Canyon Solar | RP Napa Solar 1, LLC | Solar | 3 MW | 2019 |
| Soscol Ferry Solar | Soscol Ferry Solar | Solar | 2 MW | 2020 |
| Sutter Home Winery GIR | Westbound Solar 3, LLC | Solar | 1 MW | 2023 |
| Pacific Union College BESS | ENGIE Storage Services NA LLC | Battery storage | 1 MW | 2020 |
Planned generation 2
| Plant | Technology | MW | Status | Year | Owner |
|---|---|---|---|---|---|
| Dynamo Solar LLC | Solar Photovoltaic | 24 MW | Approvals pending | 2027 | Laketricity USA Inc. |
| American Canyon RV Boat Storage | Solar Photovoltaic | 2 MW | Under construction (>50%) | 2026 | Napa Junction RV Storage LLC |
Retired since 2019
| Plant | Technology | MW | Year |
|---|---|---|---|
| Coca Cola American Canyon | Natural gas | 1 MW | 2020 |
The Napa County labor market
| Industry (2025) | Jobs | Average pay | Concentration vs U.S. |
|---|---|---|---|
| All industries | 79,072 | $73,209 | 1.00 |
| Construction | 4,086 | $100,027 | 0.98 |
| Electrical contractors | 342 | $97,346 | 0.60 |
Concentration is the BLS location quotient: 1.0 means the industry holds the same share of local jobs as it does nationally. Industry rows count private employers; cells BLS suppresses are left out.
Data centers and local rules in Napa County
3 data centers in Napa County are on the SAVRN Data Center Map: see them by city and operator.
Napa County and its neighbors
Of the 4 counties that border Napa County, Solano County carries the most build-out activity: data centers, planned generation and operating plants combined.
| County | Population | Jobs since 2019 | Operating MW | Planned MW | Data centers | Local measures |
|---|---|---|---|---|---|---|
| Napa County | 132,949 | ▼ 0.8% | 31 MW | 26 MW | 3 | — |
| Lake County | 67,772 | ▲ 6.1% | 353 MW | — | — | — |
| Solano County | 455,376 | ▲ 0.6% | 1,461 MW | 60 MW | 3 | — |
| Sonoma County | 486,444 | ▼ 2.3% | 1,521 MW | — | 2 | — |
| Yolo County | 224,410 | ▲ 2.6% | 61 MW | 26 MW | 3 | — |
More of California
Napa County, answered from the record
Who provides electricity in Napa County, California?
1 utility has service territory in Napa County in the EIA-861 2024 report: Pacific Gas & Electric Co.. The largest, Pacific Gas & Electric Co., charged residential customers 39.62¢/kWh on average in 2024.
What county is Napa, CA in?
Napa is in Napa County, California. About 76,562 people live there (2025 Census estimate).
What county is American Canyon, CA in?
American Canyon is in Napa County, California. About 22,773 people live there (2025 Census estimate).
What power plants are in Napa County?
6 operating plants with 31 MW of capacity. The largest is Calistoga Resilency Center (19 MW, battery storage).
How much new power is planned in Napa County?
26 MW across 2 units in the August 2026 EIA-860M inventory, 2 MW of it under construction or built. The largest owner is Laketricity USA Inc..
Are there data centers in Napa County?
Yes. The SAVRN Data Center Map lists 3 data centers in Napa County.
Is Napa County adding jobs?
Employers counted 79,072 jobs in 2025 against 79,729 in 2019 (-0.8%, BLS QCEW). Construction went from 4,699 to 4,086.
Does Napa County have a data center moratorium?
No county-level measure is on record for Napa County. California has 48 local measures statewide, listed on the state page.