Strata Expanse Hanging Rock AI Center of Excellence
Hanging Rock, Lawrence County, OH
Strata Expanse Hanging Rock AI Center of Excellence is under construction in Hanging Rock, OH. Reported capacity is 80 MW. 40-acre site in Hanging Rock, Lawrence County, billed as an 'AI Center of Excellence.' Powered by green hydrogen (electrolysis tech from Ohio-based Millennium Reign Energy) plus geothermal cooling, solar and natural gas; up to 80MW of compute. Reporting indicates it is already partially operational/testing AI workloads.
- 80 MWPlanned capacity
Project status
- Announced
- Permitting
- Under construction
- Operational
Recorded changes
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Community sentiment
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Latest news
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Stories about it, and about Lawrence County, OH, land here.
Records and documentation
Ohio state legislation
- PUCO Case No. 23-891-EL-AEC - New Albany Data Center (Silicon Heartland) Electric ArrangementPUCO approved Feb 2024 -- New Albany Data Center leases a substation/equipment from AEP Ohio for an 8-year term, part of the $500M Silicon Heartland Datacenter Campus build.Download
- PUCO Case No. 24-0508-EL-ATA - AEP Ohio Data Center TariffFiled May 2024; PUCO adopted a settlement (July 2025) requiring 25MW+ data center customers to commit to ≥85% minimum-take of subscribed capacity, 12-year contracts, 3-year exit fee. Companion Mobile Data Center tariff in the same docket. The template several other states' tariffs since referenced.Download
- PUCO Case No. 25-0958-EL-AIR - AES Ohio Rate Case (Data Center Rate Class)Unopposed settlement filed ~July 2026 creating a separate Data Center rate class for AES Ohio, tied to ~2.1GW of contracted data-center load. PUCO order expected Dec 2026.Download
- Marysville Community Reinvestment Area Agreement (City Council Meeting Packet)Community Reinvestment Area agreement/council packet governing tax and community terms for a Marysville, Ohio data center project.Download
- HB 983 - Data Center Accountability and Citizen Protection ActEstablishes accountability and citizen-protection requirements for data centers.Download
- HF2690 - Data center water/energy use reporting and tariffsRequires reporting and tariff requirements for water and energy use by data centers.Download
- Ohio Supreme Court Case No. 2025-1458 - Appeal of AEP Data Center TariffOhio Manufacturers' Association appeal (filed Nov 2025) challenging PUCO's approval of the AEP data center tariff (24-0508-EL-ATA) as based on unreasonable assumptions. Still pending.Download
- SB374 - Prohibit new data center sales tax exemptionsDescription comingDownload
- HB710 - Prohibit public support, limit construction of, new data centersDescription comingDownload
- HB646 - Create the Data Center Study CommissionDescription comingDownload
- HB999 - Prohibit property tax exemptions for data centersDescription comingDownload
- HB957 - Prohibit new data center sales tax exemptions from being grantedDescription comingDownload
- SB381 - Require PUCO approval to connect data centers to electrical gridDescription comingDownload
Site details
- Operator
- Not announced
- County
- Lawrence County, OH
- Capacity
- 80 MW
- Address
- Hanging Rock, OH
- Stage
- Under construction
Size: not on file
Map
Photos
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Ohio data centers: How the $16 billion electricitycleveland.com
What we learned about who pays if Ohio data-center projects don’t materializecleveland.com
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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