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CARTIS

Merom Generating Station Data Center Conversion

Merom, Indiana, United StatesPreconstruction
Evidence
Headline capacity
Not established in published records
Updated
Oct 28, 2026

Hallador is evaluating new gas generation at the operating Merom power site to serve utility and data center demand; this is not yet a completed data center conversion. The company acquired roughly 460 MW of Siemens equipment for $350 million and expects a final investment decision only after interconnection, offtake, financing and permitting work.

Capacity

Reported capacity

Design

1,080 MW

Generation capacity; not IT capacity

Source

Operating IT capacity: Not established in published records

A missing figure does not mean zero. Planned, utility and generation figures are not operating IT capacity.

Development

Energy-project development; data-center use not yet committedUnder construction

Hallador is evaluating new gas generation at the operating Merom power site to serve utility and data center demand; this is not yet a completed data center conversion. The company acquired roughly 460 MW of Siemens equipment for $350 million and expects a final investment decision only after interconnection, offtake, financing and permitting work.

Milestones (2)
MISO accepted final ERAS application

Dec 2025 · Recorded actual event

Completed · Permit filed

Source not linked
Hallador announced turbine acquisition

Jun 1, 2026 · Recorded actual event

Completed · Equipment deployment

Source not linked

Participants

Hallador Energy

Developer

Sources by role
Developer (1)

Capital & incentives

Capital claims and financing records may overlap. Their amounts are not added together.

Capital claims

Equipment purchase

Actual

$350,000,000

Source

Final investment decision

Actual

Pending interconnection, offtake, financing and permits

Source

Financing records

Investment commitment

$350m

Jun 1, 2026

Siemens turbine and generator equipment

Parties & sources

Hallador Energy (Borrower)

Sources (1)

Site & development

Location context

Actual

Merom Generating Station Data Center Conversion | Merom | Indiana | US

Source

Additional project facts

Lifecycle status

Actual

Preconstruction

Source

Capacity basis

Actual

1,080 MW onsite generation; not measured operating IT load. The 1,080 MW value is the generating station rating and must not be presented as data center IT capacity.

Source

Data center status

Actual

Potential load/customer, not a completed conversion

Source

Infrastructure & permits

Technical details (2)
Onsite generation

Planned or represented

1,080 MW

Existing station rating; not data center IT load.

Onsite generation

Planned or represented

460 MW

New Siemens equipment subject to final investment decision.

Public-source research. Plans may change. See Evidence for sources and qualifications.