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- Wind & solar
- Operating
- 10 · 100 · 1,000 MW
Map
- Wind & solar
- Operating
Gridley Main: location. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Gridley Main
Power plant · Solar
Key facts
Power plant · Solarran 16% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 2013
- Net generation, 2025
- 1,438 MWh
- Grid
- 12 kV to Pacific Gas & Electric Co (CISO)
- Location
- Butte County, California
- Operated by
- Altus Power America Management, LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory
Output
Details
Who’s behind it
No companies named in filings yet.
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- Technology
- Solar source: “Solar Photovoltaic”
- Age
- 13 years since 2013
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Gem |
|
| Grid |
|
| Fuel burned (MMBtu), 2025 | 4,907 |
| Capacity factor, 2025 | 0.164 |
| Net generation (MWh), 2025 | 1,438 |
| Balancing authority code | CISO |
Solar array
Solar array
The array area counts panels and inverters only, not buildings, fences or the whole site.
- Array area (acres)
- 6.4
- AC capacity (MW)
- 1
- DC capacity (MW)
- 1.2
- Mounting
- Single-axis tracking
- Site type
- Greenfield
- Began operating
- 2013
Source USPVDB
Source
- U.S. Large-Scale Solar Photovoltaic DatabaseMap services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb
Timeline
- In service · EIA-860M
Sources
5 sourcesSources EIA-860M · GEM · USPVDB · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- Global Energy Monitor — Global Integrated Power Tracker (unit-level power plants, eight technologies, all statuses)Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
- U.S. Large-Scale Solar Photovoltaic Database (USPVDB) — USGS and LBNL; one row per facility with its array footprintMap services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory