Merom reports 1,080 MW coal of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.

What kind of plant is Merom?

Merom is a Conventional Steam Coal facility in Sullivan County, IN, participating in the MISO market.

Where is Merom located?

Merom is in Sullivan County, IN, inside the MISO balancing area.

Merom is operated by Hallador Power Company, LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Merom generate?

Merom reported 4,270.5 GWh over the twelve months to 2026-08. Figures are net generation as filed to EIA-923.

How does Merom compare to other plants?

By capacity, Merom ranks #76 of 205 operating plants of the same technology nationally. It ranks #5 of 11 in IN.

Merom — 1,080 MW coal plant, Sullivan County, IN

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Merom — 1,080 MW coal plant, Sullivan County, IN · Ask the Grid

Generation and physical site

EIA plant 6213 · Inventory for Sep 2026.

Reported operating nameplate by technology

Coal: 1,080 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (2)

EIA generator status and nameplate capacity for Merom
Generator	Technology	Status	Power (MW)	Energy (MWh)
1	Conventional Steam Coal	Operating	540	Unknown
2	Conventional Steam Coal	Operating	540	Unknown

Physical map location · OpenStreetMap: 39.07015, -87.50962
Filed location · EIA: 39.06940, -87.51080

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Sep 2026
EIA retrieved: Oct 24, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Aug 1, 2022
Map prepared: Oct 24, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Units and generators

Current generator records and technology attributes reported through EIA-860.

Generator	Capacity	Technology	Operation	Status
1	540 MW 489 MW summer	Conventional Steam Coal ST	Sep 1983	Operating
2	540 MW 489 MW summer	Conventional Steam Coal ST	Feb 1982	Operating

Overview

Infrastructure record

Overview

Infrastructure record

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Generation and physical site

Reported operating nameplate by technology

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Performance

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Commercial, land, and environmental record

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Relationship graph

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Merom

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What kind of plant is Merom?

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Who operates Merom?

How much electricity does Merom generate?

How does Merom compare to other plants?

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