ReferenceLarge-load power by market
Northern Indiana: what a 50 MW connection costs under Indiana Michigan Power
What does a 50 MW connection cost in Northern Indiana?
In short. In Northern Indiana, Indiana Michigan Power connects a 50 MW load under Industrial Power Tariff large-load amendments (settlement), docket IURC Cause 46097 (approved 2025-02-19). Minimum bill: not published for Indiana (I&M's proposed Michigan Large Power Tariff uses 90% of contract capacity). Term: at least 12 years after a ramp of up to 5 years. Realistic energization: 2028 to 2029. Open Factory's Large-Load Cost Table, as of August 21, 2026.
Facts
| Market | Northern Indiana, IN (PJM) |
|---|---|
| Utility | Indiana Michigan Power |
| Tariff or rule | Industrial Power Tariff large-load amendments (settlement) |
| Docket | IURC Cause 46097 (approved 2025-02-19) |
| Status | approved |
| Large-load threshold | 70 MW per site or 150 MW aggregated across a company |
| Study fee | not published |
| Security or collateral | collateral required (formula not in sources opened) |
| Minimum bill | not published for Indiana (I&M's proposed Michigan Large Power Tariff uses 90% of contract capacity) |
| Contract term | at least 12 years after a ramp of up to 5 years |
| Ramp | up to 5 years |
| Exit fee | exit fee for termination or reductions above 20%; after year 5 a reduction of up to 20% with 42 months' notice is free; reductions above 20% need IURC approval |
| CIAC exposure | not published; costs to serve recovered from the large load per settlement (allocation deferred to a later case) |
| Realistic energization, 50 MW | 2028 to 2029 |
| Verification | PARTIAL (threshold term ramp and exit verified via IURC order coverage; minimum demand and collateral not public) |
| Data as of | August 21, 2026 |
Questions
What does a 50 MW connection cost in Northern Indiana?
Indiana Michigan Power: study fee not published; collateral collateral required (formula not in sources opened); minimum bill not published for Indiana (I&M's proposed Michigan Large Power Tariff uses 90% of contract capacity); term at least 12 years after a ramp of up to 5 years.
When can a 50 MW load be energized in Northern Indiana?
2028 to 2029. Indiana territories described as less constrained than PJM markets to the east (construction-owner market guide 2026); I&M expects Indiana peak to rise from 2, 800 MW to more than 7, 000 MW by 2030.
Which tariff applies to large loads in Northern Indiana?
Industrial Power Tariff large-load amendments (settlement); docket IURC Cause 46097 (approved 2025-02-19); status: approved.
Is this rate proposed or approved?
Approved or in effect as of the data date (approved). PARTIAL (threshold term ramp and exit verified via IURC order coverage; minimum demand and collateral not public).
Sources
- Open Factory Large-Load Cost Table
- aep.com (2025-02-19)
- utilitydive.com (2024-11-25)
- utilitydive.com (2025-02-20)
Data as of August 21, 2026. This page is rebuilt from the same table the Large-Load Interconnection Cost, the API and the MCP server read, so the figures cannot differ. Also available as plain markdown. Cite as Open Factory, Northern Indiana: what a 50 MW connection costs under Indiana Michigan Power, August 21, 2026.
Articles on this subject
All articles
What 50 MW Costs in 15 US Markets
A 50 MW connection requested in Northern Virginia in 2026 energizes in 2033 after $75 million of collateral and a 14 year contract, while the same 50 MW in Houston posts no rule-mandated security and can be live in 2028, per Open Factory's Large-Load Cost Table as of August 2026.
Introducing the Large-Load Cost Table: 15 Markets Side by Side
Open Factory's Large-Load Cost Table, version 0.1, compares a 50 MW connection across 15 US utilities on eight tariff cells each: 53 of the 120 cells come from primary documents, 20 from trade press, 2 from arithmetic, and 45 are not published anywhere, as of August 2026.
The 2% Funnel: 474 GW Requested, 9 GW Approved, 5.8 GW Energized in ERCOT
Texas had about 474 GW of large-load interconnection requests as of August 2026, and ERCOT's March 26, 2026 status table shows 9.0 GW approved to energize and 5.8 GW energized, so about 2% has permission to draw power, as tracked in Open Factory's Large-Load Cost Table.
A Factory Owner's Guide to the PJM Capacity Charge
PJM's RTO capacity clearing price rose from $28.92 to $329.17 per MW-day in two auctions, so a 5 MW plant in Met-Ed territory pays about $568,000 for capacity in the delivery year starting June 1, 2026 against about $50,000 in 2024, per Open Factory's PJM Capacity Charge Estimator.