Query
W R Gianelli
Type
Entity Briefing
Entity
W R Gianelli
Generated
2026-10-17T23:03:14.103Z

Briefing on W R Gianelli

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
424 MW
Capacity
Operating
Current status
1967
Operating since
8
Generators
-4.2%
Capacity factor
-152 GWh
Annual generation
Briefing/plantOperating

W R Gianelli is a 424 MW Hydroelectric Pumped Storage asset in CAISO (California), currently Operating.

W R Gianelli is reported in California since 1967 under California Dept. of Water Resources. Available operating and financial measures include -4.2% capacity factor and -152 GWh annual generation; $2294/kW reported CapEx.

Location
Merced, California
Technology
Hydroelectric Pumped Storage
Owner / parent
California Dept. of Water Resources
Operator
California Dept. of Water Resources
Grid
CAISO (California)
Plant ID
448

What stands out

1

W R Gianelli is a 424 MW Hydroelectric Pumped Storage asset in California with status Operating.

2

Latest annual operating measures report -4.2% capacity factor and -152 GWh annual generation.

3

Available financial measures include $2294/kW CapEx.

Market and operating context

ISO / market
CAISO (California)
Balancing authority
California Independent System Operator
NERC region
WECC
State rank
#7 of 247
National rank
#56 of 1,462

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.