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11.8 MW Hydro operating in Carroll, IN — Midcontinent Independent Transmission System Operator, Inc..
11.8 MW
Nameplate Capacity
3
Generators
units
Conventional Hydroelectric
Technology
1925
Operating Since
Coordinates
40.6564, -86.7528
County
Carroll, IN
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Northern Indiana Pub Serv Co | — | — |
| Owner(s) | Northern Indiana Pub Serv Co | — | — |
| Status | Operating | — | — |
The Oakdale hydroelectric plant is located in Carroll County, Indiana. The plant has a total capacity of 11.8 MW across three generators and primarily uses water as its fuel source. It began operating in 1925 and is operated by Northern Indiana Public Service Company. Oakdale is the second-largest hydroelectric plant in Indiana (out of six) and ranks 629th nationally among 1,464 hydroelectric facilities.
Oakdale operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. The plant's latest annual generation was 17,395 MWh, resulting in a capacity factor of 16.9%. Financial data indicates an installed cost of $2,491.79 per kW, according to FERC data.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
1.0K MWh
Latest Month
17.4K MWh
Annual Generation
16.9%
Capacity Factor
Northern Indiana Public Service Company · Data from 2017–2024
$5,504/kW
Installed Cost
$0.0/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
NIPS.OAKDAPOAK
Pricing Hub
INDIANA.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
Last updated 2026-03-26
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ask pi about OakdaleMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
69.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility