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49.2 MW Hydro operating in Placer, CA
49.2 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1913
Operating Since
Coordinates
39.2568, -120.7673
County
Placer, CA
Nearby Plants
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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 | — |
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
ISO/RTO
CAISO
Market
ISO/RTO Member
NERC Region
WECC — Western Electricity Coordinating Council
Balancing Authority
California Independent System Operator (CISO)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0 MWh
Latest Month
31.4K MWh
Annual Generation
7.3%
Capacity Factor
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Hydro with storage · PACIFIC GAS AND ELECTRIC COMPANY · Data from 2015–2024
$2,192/kW
Installed Cost
$152.6/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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Point 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
Last updated 2026-03-26
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