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77.7 MW Hydro operating in Switzerland, IN
77.7 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1967
Operating Since
Coordinates
38.7795, -84.9640
County
Switzerland, IN
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Indiana, LLC | Duke Energy Indiana | — |
| Owner(s) | Duke Energy Indiana, LLC | Duke Energy | — |
| Status | Operating | operating | — |
The Markland Locks and Dam is a concrete dam bridge and locks that span the Ohio River. It is 1395 feet long, and connects Gallatin County, Kentucky, and Switzerland County, Indiana.
Read more on WikipediaThe Markland Hydroelectric Generating Station is located in Switzerland County, Indiana. The plant, which began operating in 1967, has a total capacity of 77.7 MW across three generators utilizing conventional hydroelectric technology. Duke Energy is the parent company, with Duke Energy Indiana, LLC listed as the operator. Markland is the largest of six hydroelectric plants in Indiana, and ranks 230th out of 1464 hydroelectric plants nationally.
The plant's latest annual generation was 298,811 MWh, resulting in a capacity factor of 43.8%. Financial data indicates an installed cost of $2030.75 per kW and a PPA price of $5.7 per MWh. The plant's primary fuel source is water (WAT). Markland operates within the Midcontinent Independent Transmission System Operator, Inc. balancing authority and the ReliabilityFirst Corporation (RFC) NERC region.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
138.0 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.
30.0K MWh
Latest Month
298.8K MWh
Annual Generation
43.8%
Capacity Factor
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Duke Energy Indiana, LLC · Data from 2015–2025
$5.7/MWh
PPA Price
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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Point of Interconnection
Nearest Substation
Markland
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
CP/Comm Pricing
Pricing Hub
INDIANA.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.
Last updated 2026-03-26
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