Oppidan McDonald Steel Site Data Center Campus
McDonald, Trumbull County, OH
A new data center, Oppidan McDonald Steel Site Data Center Campus, has been announced in McDonald, OH. Developer Oppidan (also active in Des Moines, IA and Hilliard, OH) is proposing a 9-12 building data center campus (plus 2-4 admin buildings) along the Mahoning River on the ~350-acre former McDonald Steel/U.S. Steel McDonald Works site (100 Ohio Ave), McDonald Village, Trumbull County. Presented publicly Sept 2026: estimated $600M-$1.1B, 250 jobs at $85-150k/yr, ~$7.3M/yr property tax, 5-year build, two new FirstEnergy substations required. No formal land-use application filed yet; Village Council held an emergency reading of a data-center moratorium ordinance Sept 17, 2026 amid strong resident opposition.
Project status
- Announced
- Permitting
- Under constructionNot yet
- OperationalNot yet
Recorded changes
Nothing recorded yet. Follow this project to hear when something changes.
Community sentiment
Should this project be built?
What’s next
Election Day is in 11 days.
Latest news
Nothing written about this data center yet. The latest from Trumbull County, OH:
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
- Oppidan
- County
- Trumbull County, OH
- Address
- McDonald, OH
- Stage
- Announced
Capacity and 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
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
This bill would make data centers pay their own way for powerSalt Lake City Deseret News
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