Query
Drum 1
Type
Entity Briefing
Entity
Drum 1
Generated
2026-10-09T15:25:09.806Z

Briefing on Drum 1

Entity Briefing
Generated Oct 9, 2026·Dataset freshness not reported
49 MW
Capacity
Operating
Current status
1913
Operating since
4
Generators
7.3%
Capacity factor
31 GWh
Annual generation
Briefing/plantOperating

Drum 1 is a 49 MW Conventional Hydroelectric asset in CAISO (California), currently Operating.

Drum 1 is reported in California since 1913 under PG&E. Available operating and financial measures include 7.3% capacity factor and 31 GWh annual generation; $2192/kW reported CapEx.

Location
Placer, California
Technology
Conventional Hydroelectric
Owner / parent
PG&E
Operator
Pacific Gas & Electric Co.
Grid
CAISO (California)
Plant ID
235

What stands out

1

Drum 1 is a 49 MW Conventional Hydroelectric asset in California with status Operating.

2

Latest annual operating measures report 7.3% capacity factor and 31 GWh annual generation.

3

Available financial measures include $152.6/MWh OpEx, $2192/kW CapEx.

4

Latest linked story: “Pacific Gas and Electric Company; Notice of Scoping Meetings and Request for Comments on Proposed Surrender, Decommissioning, and Non-Project Use of Project Lands” (Federal Register (FERC), 2026-05-29).

Market and operating context

ISO / market
CAISO (California)
Balancing authority
California Independent System Operator
NERC region
WECC
State rank
#64 of 247
National rank
#302 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.