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94.5 MW Hydro operating in Mariposa, CA
94.5 MW
Nameplate Capacity
1
Generators
unit
Conventional Hydroelectric
Technology
1967
Operating Since
Coordinates
37.5843, -120.2686
County
Mariposa, CA
Nearby Plants
Forward-looking, asset-specific exposure analytics combining climate hazards, generation variability, and counterparty risk into a single decision-grade view. Powered by InfraRisk.
See the full risk decomposition + scenarios for this asset.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Merced Irrigation District | Merced Irrigation District | — |
| Owner(s) | Merced Irrigation District | Merced Irrigation District | — |
| Status | Operating | operating | — |
GEM identifies the owner as Merced Irrigation District
This entity is not yet in the GEM ownership database — chain unavailable.
The Exchequer hydroelectric plant is located in Mariposa County, California. The plant has a total capacity of 94.5 MW and began operating in 1967. It is owned and operated by Merced Irrigation District. The plant utilizes conventional hydroelectric technology and its primary fuel source is water (WAT). Exchequer is connected to the California Independent System Operator (CAISO) balancing authority and is within the Western Electricity Coordinating Council (WECC) NERC region.
Exchequer ranks as the 45th largest power plant in California out of 247 facilities, and 202nd nationally out of 1464 plants. The plant's latest annual generation was 267,905 MWh, resulting in a capacity factor of 32.3%. The plant consists of one generator.
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
NR — Non-Regulated
Entity Type
Political Subdivision
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
3.2K MWh
Latest Month
267.9K MWh
Annual Generation
32.3%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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2013
$2,294/kW
Est. Construction Cost
Total estimated cost: $216.8M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
CAISO
LMP Node
POD_EXCHEC_7_UNIT 1-APND
Pricing Hub
TH_NP15_GEN-APND
Location Type
Aggregated Node
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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