# Michigan City

MISO asset profile · https://askthegrid.com/assets/facilities/michigan-city

## Current generation inventory

EIA plant 997 · Inventory reporting month: 2026-08.

- coal: 540 MW operating nameplate
- Capacity basis: operating_generator_nameplate_mw
- Source inventory: [EIA-860M workbook (preliminary)](https://www.eia.gov/electricity/data/eia860m/xls/august_generator2026.xlsx)
- Inventory retrieved: 2026-10-10T02:12:40.665346+00:00
- Filed coordinate (longitude, latitude): -86.9086, 41.7208
- OSM extract: 2026-10-08T20:21:06Z
- OSM mapped edit: 2026-05-05 19:39:27+00:00
- Map prepared: 2026-10-10T02:28:21.116150+00:00

Battery power (MW) and stored energy (MWh) are separate measures. Shared physical-site membership does not establish electrical connectivity, settlement or a common export limit.

## Reviewed overview

Michigan City Generating Station is a NIPSCO-owned coal plant on the Lake Michigan shoreline in Indiana, on a 123-acre property used since 1931. Its Unit 12 is a 469-MW coal unit that opened in 1974 and is scheduled to retire in 2028. NIPSCO has reconfirmed that date in its 2021 and 2024 resource plans, and a July 2026 IURC staff report recommends the date be re-evaluated in the 2027 plan.

## Reviewed metrics

- **Nameplate capacity:** 540 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 997 — plant-997

## Facts

- **Technology:** Conventional Steam Coal
- **Operator:** NIPSCO

## Related parties

- **Parent company:** NiSource Inc. — parent ([source](https://www.nisource.com))

## Sources

- [secure.in.gov](https://secure.in.gov/iurc/files/CAC%20Earthjustice%20Comments_IURC%20Staff%20Reports_MI%20City%20Unit%2012.pdf) — secure.in.gov · authoritative — Source retained for exact-record publication review.
- [insideindianabusiness.com](https://www.insideindianabusiness.com/articles/nipsco-refines-timeline-for-coal-plant-retirement) — insideindianabusiness.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/michigan-city
Website: [NIPSCO](https://www.nipsco.com)

Source: Ask the Grid — https://askthegrid.com/