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4.8 MW Hydro operating in St Joseph, IN
4.8 MW
Nameplate Capacity
8
Generators
units
Conventional Hydroelectric
Technology
1989
Operating Since
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Indiana Michigan Power Co | Indiana Michigan Power | — |
| Owner(s) | Indiana Michigan Power Co | Commercial Development Company | — |
| Status | Operating | — | — |
Twin Branch is a hydroelectric power plant located in St Joseph County, Indiana. The plant has a total capacity of 4.8 MW distributed across 8 generators. It commenced operations in 1989 and is owned by Commercial Development Company, with Indiana Michigan Power Co. serving as the operator. The plant utilizes water as its primary fuel source and employs conventional hydroelectric technology.
In the most recent year with available data, Twin Branch generated 22,914 MWh of electricity, achieving a capacity factor of 54.3%. The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. Twin Branch ranks as the 4th largest hydroelectric plant out of 6 in the state of Indiana, and it holds a national ranking of 907 out of 1464 hydroelectric facilities.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
34.5 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
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.
1.7K MWh
Latest Month
22.9K MWh
Annual Generation
54.3%
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: $11.0M
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
PJM
LMP Node
34886931
Pricing Hub
N ILLINOIS HUB
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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