Query
Geysers Unit 5-20
Type
Entity Briefing
Entity
Geysers Unit 5-20
Generated
2026-10-19T15:23:37.505Z

Briefing on Geysers Unit 5-20

Entity Briefing
Generated Oct 19, 2026·Dataset freshness not reported
1.2 GW
Capacity
Operating
Current status
1971
Operating since
12
Generators
42.3%
Capacity factor
4315 GWh
Annual generation
Briefing/plantOperating

Geysers Unit 5-20 is a 1.2 GW Geothermal asset in CAISO (California), currently Operating.

Geysers Unit 5-20 is reported in California since 1971 under Constellation Energy. Available operating and financial measures include 42.3% capacity factor and 4315 GWh annual generation; $2851/kW reported CapEx.

Location
Sonoma, California
Technology
Geothermal
Owner / parent
Constellation Energy
Operator
Geysers Power Co LLC
Grid
CAISO (California)
Plant ID
286

What stands out

1

Geysers Unit 5-20 is a 1.2 GW Geothermal asset in California with status Operating.

2

Latest annual operating measures report 42.3% capacity factor and 4315 GWh annual generation.

3

Available financial measures include $2851/kW CapEx.

4

Latest linked story: “Constellation Energy Completes Calpine Acquisition” (Industrial Info Resources, 2026-01-09).

Market and operating context

ISO / market
CAISO (California)
Balancing authority
California Independent System Operator
NERC region
WECC
State rank
#1 of 32
National rank
#1 of 69

Why it matters

For this asset in CAISO (California), operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.