James B Black — Plant Summary
- EIA Plant ID
- 249
- Capacity
- 168.6 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Shasta, CA
- Operating Since
- 1965
- Generators
- 2
- Operator
- Pacific Gas & Electric Co.
- Parent Company
- PG&E
- Annual Generation
- 623,836 MWh
- Capacity Factor
- 42.2%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
James B Black
OperatingHydro
Ranked #21 of 247 Hydro plants in CA#116 of 1454 nationally
168.6 MW Hydro operating in Shasta, CA — California Independent System Operator
EIAGEMWD
168.6 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1965
Operating Since
Location
Coordinates
40.9923, -121.9752
County
Shasta, CA
Nearby Plants
- Pit 5Hydro141.6 MW · 0.7 km
- Pit 6Hydro79.2 MW · 7.9 km
- Nelson CreekHydro1.2 MW · 8.1 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
The James B Black Hydroelectric Plant is located in Shasta County, California. The plant has a total capacity of 168.6 MW across two generators, utilizing conventional hydroelectric technology. It began operating in 1965 and is owned and operated by Pacific Gas & Electric (PG&E). The plant's primary fuel source is water (WAT). It ranks as the 21st largest of 42 hydroelectric plants in California, and 116th of 194 nationally.
In the most recent year with available data, the James B Black plant generated 623,836 MWh, achieving a capacity factor of 42.2%. The plant operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates an installed cost of $545.77 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
230 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
62.4K MWh
Latest Month
623.8K MWh
Annual Generation
42.2%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1HIGH
$608/kW
Installed Cost
$6.8/MWh
Operating Cost
PACIFIC GAS AND ELECTRIC COMPANY
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
JBBLACK1_7_B1
Pricing Hub
TH_NP15_GEN-APND
Location Type
Pricing Node
Node Source
EIA-860 direct report
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