Michigan City
Coal power plant in LaPorte County, Indiana. 540 MW of nameplate capacity across 1 generator, operated by Northern Indiana Pub Serv Co.
Also known as Michigan City Generating Station · EIA plant 997
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 540 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- May 1974First generator online
- Operator
- Northern Indiana Pub Serv CoEIA operator ID 13756
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- LaPorte County, IN41.7208, −86.9086
- EIA plant ID
- 997EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Michigan City produces
Free · EIA-923Net generation, 2025
1.93 TWh
1,934,992 MWh, final
Capacity factor, 2025
40.9%
2024: 19.5%
January to July 2026
753 GWh
Provisional
Range, 2015 to 2025
0.9–2.0
TWh a year. Low 2024, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 2,746,059 | Not reported | 12 of 12 |
| 2001 | 2,414,539 | Not reported | 12 of 12 |
| 2002 | 2,487,472 | Not reported | 12 of 12 |
| 2003 | 2,403,951 | Not reported | 12 of 12 |
| 2004 | 2,704,298 | Not reported | 12 of 12 |
| 2005 | 2,545,676 | Not reported | 12 of 12 |
| 2006 | 2,852,261 | Not reported | 12 of 12 |
| 2007 | 2,475,724 | Not reported | 11 of 12 |
| 2008 | 2,382,367 | Not reported | 12 of 12 |
| 2009 | 2,103,012 | Not reported | 12 of 12 |
| 2010 | 2,285,804 | Not reported | 12 of 12 |
| 2011 | 2,962,367 | 62.6% | 12 of 12 |
| 2012 | 2,341,016 | 49.4% | 12 of 12 |
| 2013 | 2,023,234 | 42.8% | 12 of 12 |
| 2014 | 2,738,999 | 57.9% | 12 of 12 |
| 2015 | 1,650,341 | 34.9% | 12 of 12 |
| 2016 | 1,701,530 | 35.9% | 12 of 12 |
| 2017 | 1,280,833 | 27.1% | 12 of 12 |
| 2018 | 2,040,518 | 43.1% | 12 of 12 |
| 2019 | 1,072,965 | 22.7% | 12 of 12 |
| 2020 | 1,512,823 | 31.9% | 12 of 12 |
| 2021 | 1,485,359 | 31.4% | 12 of 12 |
| 2022 | 1,415,875 | 29.9% | 12 of 12 |
| 2023 | 1,427,182 | 30.2% | 12 of 12 |
| 2024 | 924,347 | 19.5% | 12 of 12 |
| 2025 | 1,934,992 | 40.9% | 12 of 12 |
| 2026 (provisional, partial year) | 752,629 | 27.4% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · MISOEmissions
Free · EPA CAMPDCO₂, 2025
2.12M
US short tons. 2024: 1.11M
SO₂, 2025
838
US short tons
NOx, 2025
929
US short tons
CO₂ per MWh, calculated
1.10 t
About 2,193 lb per MWh
1 of 1 EPA units reported CO₂ in 2025 (12, 4, 5, 6), matched to EIA plant 997 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
3,735
million gallons
Consumption, 2024
1,129
million gallons
Source
Lake Michigan
Surface, Fresh. Natural-draft tower
Watershed stress
Very low/none · 0.111
USGS SUI, HUC12 Trail Creek
12 of 12 cooling months report withdrawal. Great Lakes intake; a shoreline HUC12 does not describe the lake; not tested. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 12 | Conventional Steam Coal | 540.0 | May 1974 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Northern Indiana Pub Serv Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Michigan City
More plants operated by Northern Indiana Pub Serv Co
Questions about Michigan City
How much power does Michigan City produce?
Michigan City reported 1,934,992 MWh (1.93 TWh) of net generation in 2025, a 40.9% capacity factor on 540 MW of nameplate capacity. From January to July 2026 it reported 753 GWh, which is provisional.
Where is Michigan City?
Michigan City is in LaPorte County, Indiana, at 41.7208, −86.9086. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Michigan City?
EIA-860M for August 2026 lists Northern Indiana Pub Serv Co as the operator (EIA operator ID 13756). The operator is not always the owner.
When did Michigan City start operating?
Its first generator began operating in May 1974, according to EIA-860M.
Does InfraMap have power prices for Michigan City?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to Michigan City, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page