Potentia / Fluidstack-Coatue Sullivan County campus (Heartland Industrial Park, Merom)
Merom, Sullivan County, IN
Potentia Inc. (Fluidstack/Coatue tenant) is building Potentia / Fluidstack-Coatue Sullivan County campus (Heartland Industrial Park, Merom) in Merom, IN. Reported capacity is 430 MW with an estimated investment of $65 billion. Potentia Inc. unveiled a $65B data center industrial park in Sullivan County in April 2026 and said construction began April 27, 2026. Coatue and Fluidstack announced a 430 MW first campus there in May 2026 (Compute Atlas tracks up to 2,100 MW). Open houses in Merom Aug 2026 drew resident concerns; replaces the earlier Hallador Energy proposal that fell through. (Source dated 2026-05-04.).
- 430 MWPlanned capacity
Project status
- Announced
- Permitting
- Under construction
- Operational
Recorded changes
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Community sentiment
Should this project be built?
What’s next
Election Day is in 10 days.
2:00 PM · IN
Sullivan County: County Commissioners
Latest news
Nothing written about this data center yet.
Stories about it, and about Sullivan County, IN, land here.
Records and documentation
Indiana state legislation
- IURC Cause No. 46097 - Indiana Michigan Power (AEP) Large-Load TariffIURC approved (Feb 2025) a modified large-load tariff for new/expanding loads >70MW single-site: 12-year minimum term, 80% minimum-billing-demand floor, 24-month collateral, exit fee. Settling parties included OUCC, Amazon, Google, Microsoft, Data Center Coalition -- driven by AWS's ~$11B "Project Rainier" (New Carlisle) and Google's Fort Wayne data center.Download
- IURC Cause No. 46183 - NIPSCO GenCo Dedicated-Generation FrameworkIURC approved (Sept 2025, reaffirmed Nov 2025) a settlement letting GenCo (a NIPSCO affiliate) own/build dedicated generation for large loads so existing customers aren't cost-burdened. Built to serve Amazon data centers.Download
- IURC Cause No. 46322 - NIPSCO/GenCo Special Contract + PPA (Amazon)Order issued June 2026 -- GenCo to build two 1.3GW gas plants + 400MW/4hr battery storage, power delivery to Amazon starting Jan 2027 ramping to 2.4GW by 2032. NIPSCO projects ~$1B ratepayer savings.Download
- IURC Cause No. 45647 - Duke Energy Indiana TDSIC (Meta Jeffersonville Cost Recovery)Ongoing transmission/distribution infrastructure cost-recovery docket; ~$216M of network upgrades tied to the Meta Jeffersonville data center were recovered through this mechanism, later reviewed by the Indiana Supreme Court on cost allocation.Download
- SB0079 - Data center development.Description comingDownload
- HB1245 - IURC study of data centers.Description comingDownload
Site details
- County
- Sullivan County, IN
- Capacity
- 430 MW
- Address
- Merom, IN
- Stage
- Under construction
Size: not on file
Map
Photos
ComEd customers could pay billions for data center hookups, warns utility watchdog groupShaw Local Enewspapers
An $8 billion Treasury break helped Meta’s tax rate hit 2%. Senators want data center tax answersFortune
The states with the fewest and most data centers, rankedBusiness Insider
Finns Are Seething After Google Illegally Toppled 250,000 Trees for a Data CenterMother Jones
Google offer to pay others to help data center powerArkansas Online
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