Drum 1 — Plant Summary
- EIA Plant ID
- 235
- Capacity
- 49.2 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Placer, CA
- Operating Since
- 1913
- Generators
- 4
- Operator
- Pacific Gas & Electric Co.
- Parent Company
- PG&E
- Annual Generation
- 31,439 MWh
- Capacity Factor
- 7.3%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Drum 1
OperatingHydro
Ranked #64 of 247 Hydro plants in CA#301 of 1454 nationally
49.2 MW Hydro operating in Placer, CA — California Independent System Operator
EIAGEMWD
49.2 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1913
Operating Since
Location
Coordinates
39.2568, -120.7673
County
Placer, CA
Nearby Plants
- Drum 2Hydro53.1 MW · 0.1 km
- Dutch Flat 2Hydro27.3 MW · 7.2 km
- Dutch FlatHydro22 MW · 7.4 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Pacific Gas & Electric Co. | Pacific Gas and Electric | — |
| Owner(s) | Pacific Gas & Electric Co. | PG&E | — |
| Status | Operating | operating | — |
Ownership Chain
About
Drum 1 is a hydroelectric power plant located in Placer County, California. The plant, owned and operated by Pacific Gas & Electric (PG&E), has a total capacity of 49.2 MW distributed across four generators. Drum 1 began operating in 1913, making it one of the older power plants in the state. The plant utilizes conventional hydroelectric technology and its primary fuel source is water (WAT).
In the most recent year with available data, Drum 1 generated 31,439 MWh of electricity, resulting in a capacity factor of 7.3%. The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Drum 1 is ranked as the 64th largest power plant in California out of 247, and 305th nationally out of 1464. Financial data indicates an installed cost of $1,918.54 per kW.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
115 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
0 MWh
Latest Month
31.4K MWh
Annual Generation
7.3%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$2,192/kW
Installed Cost
$152.6/MWh
Operating Cost
PACIFIC GAS AND ELECTRIC COMPANY
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Bonnie Nook Substation
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
CAISO
LMP Node
DRUM_7_PL3X4-APND
Pricing Hub
TH_NP15_GEN-APND
Location Type
Aggregated Node
Node Source
EIA-860 direct report
News & Articles (10)Beta
Regulatory·permitting
Pacific Gas and Electric Company; Notice of Application for Temporary Variance of Flow Requirements Accepted for Filing and Soliciting Comments, Motions To Intervene, and Protests
Pacific Gas and Electric (other)
Federal Register (FERC)·3 weeks ago
Industry·corporate
Renewable Tuesday: $$Real Money$$™ is Still Beating Insanity Like a Drum
Lunatics, deniers, and shills for corporate theft keep popping up in a never ending Whack-a-Mole™ game, but they cannot actually beat back...
Daily Kos·4 weeks ago
Industry·partnership
Hochul, Ontario premier sign agreement to collaborate on advanced nuclear energy technology
New York Gov. Kathy Hochul and Ontario Premier Doug Ford signed a mutual agreement Friday that aims to share information and collaborate on...
Kathy Hochul (other)Doug Ford (other)
Spectrum News·3 months ago
Industry·technology
Fort Drum could host one of Army’s first nuclear microreactors
FORT DRUM — As part of next steps for its Janus Program, the Army has selected nine installations — including Fort Drum in Jefferson County...
Army (other)Fort Drum (other)
Rome Sentinel·4 months ago
Last updated 2026-03-25
View all 10 articles