# Northern Indiana: what a 50 MW connection costs under Indiana Michigan Power

URL: https://open-factory.com/power/northern-indiana/
Data as of: 2026-08-21
Publisher: Open Factory, https://open-factory.com

**What does a 50 MW connection cost in Northern Indiana?** 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).

## Related articles

- [What 50 MW Costs in 15 US Markets](https://open-factory.com/articles/what-50mw-costs-15-markets/)
- [Introducing the Large-Load Cost Table: 15 Markets Side by Side](https://open-factory.com/articles/large-load-cost-table-launch/)
- [The 2% Funnel: 474 GW Requested, 9 GW Approved, 5.8 GW Energized in ERCOT](https://open-factory.com/articles/ercot-funnel/)
- [A Factory Owner's Guide to the PJM Capacity Charge](https://open-factory.com/articles/pjm-capacity-factory-bill/)
- [The 2 MW Plant Service Upgrade Nobody Budgets Right](https://open-factory.com/articles/2mw-plant-service-upgrade/)
- [Modular Is Not Cheaper: A 50 MW Prefab Electrical Room, Line by Line](https://open-factory.com/articles/skids-vs-stick-built/)

## Sources

- [Open Factory Large-Load Cost Table](https://open-factory.com/models/large-load-cost-table/)
- [aep.com (2025-02-19)](https://www.aep.com/news/stories/view/10037/)
- [utilitydive.com (2024-11-25)](https://www.utilitydive.com/news/indiana-michigan-power-aep-amazon-google-microsoft-data-center-interconnect/733850/)
- [utilitydive.com (2025-02-20)](https://www.utilitydive.com/news/indiana-iurc-large-load-interconnection-data-center-aep-amazon-google/740452/)

Model: https://open-factory.com/models/large-load-cost-table/
Calculator: https://open-factory.com/tools/interconnection-cost/