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ASTI — Power plant · Solar · SunStrong Management, LLCWestern GeoPower Unit 1 — Geothermal · CA · 25 MW · 12.5 km awayBuckeye Geothermal Power Plant — Geothermal · CA · 56.9 MW · 13.6 km awayWild Horse Power Plant — Geothermal · CA · 48 MW · 15.4 km away
  • Wind & solar
  • Operating
  • 10 · 100 · 1,000 MW

Power plant · Solar

Key facts

Power plant · Solarran 12% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
2009
Net generation, 2025
1,216 MWh
Grid
480 kV to Pacific Gas & Electric Co (CISO)
Location
Sonoma County, California
Operated by
SunStrong Management, LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Output

Net generation MWh by year, 2013 to 2025

Operations detail

Details

Who’s behind it

No companies named in filings yet.

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Technology
Solar source: “Solar Photovoltaic”
Age
17 years since 2009
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
Attributes
AttributeValue
Gem
Unit ids
G100000814539
Location id
L100000811952
Eia plant ids
58889
Grid
Nerc region
WECC
Report year
2025
Grid voltage kv
480
Transmission owner
Pacific Gas & Electric Co
Balancing authority code
CISO
Balancing authority name
California Independent System Operator
Fuel burned (MMBtu), 20254,149
Capacity factor, 20250.116
Net generation (MWh), 20251,216
Balancing authority codeCISO

Solar arrays

Array area (acres)
3
AC capacity (MW)
1.2
DC capacity (MW)
1.2
Mounting
Fixed tilt
Site type
Greenfield
Began operating
2009

Source USPVDB

Source

  • U.S. Large-Scale Solar Photovoltaic DatabaseOpen license · retrieved 25 Oct 2026Map 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

Attribution

Timeline

  • In service · EIA-860M

Sources

5 sources

Sources EIA-860M · GEM · USPVDB · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory

Sources

Every source and license · Attribution

View at source

Around this plant

Nearby

within 25 km
Projects within 25 km, nearest first.
ProjectKindAwayMW
Western GeoPower Unit 1 Withdrawn Geothermal 12.5 km 25
Buckeye Geothermal Power Plant Postponed Geothermal 13.6 km 56.9
Wild Horse Power Plant Postponed Geothermal 15.4 km 48

Sources EIA-860M · CAISO

Sources

Attribution