AEP Lyka substation for new large customer (Sugar Creek Township)

Ohio state legislation

• ApprovalPUCO Case No. 23-891-EL-AEC - New Albany Data Center (Silicon Heartland) Electric Arrangementdis.puc.state.oh.usDownloadPUCO 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.
• ApprovalPUCO Case No. 24-0508-EL-ATA - AEP Ohio Data Center Tariffdis.puc.state.oh.usDownloadFiled 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.
• ApprovalPUCO Case No. 25-0958-EL-AIR - AES Ohio Rate Case (Data Center Rate Class)occ.ohio.govDownloadUnopposed 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.
• Community benefits agreementMarysville Community Reinvestment Area Agreement (City Council Meeting Packet)fas.orgDownloadCommunity Reinvestment Area agreement/council packet governing tax and community terms for a Marysville, Ohio data center project.
• LegislationHB 983 - Data Center Accountability and Citizen Protection Actdatacenterbans.comDownloadEstablishes accountability and citizen-protection requirements for data centers.
• LegislationHF2690 - Data center water/energy use reporting and tariffsdatacenterbans.comDownloadRequires reporting and tariff requirements for water and energy use by data centers.
• DocumentOhio Supreme Court Case No. 2025-1458 - Appeal of AEP Data Center Tariffsupremecourt.ohio.govDownloadOhio 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.
• LegislationSB374 - Prohibit new data center sales tax exemptionslegiscan.comIn committee Mar 25, 2026DownloadDescription coming
• LegislationHB710 - Prohibit public support, limit construction of, new data centerslegiscan.comIn committee Feb 25, 2026DownloadDescription coming
• LegislationHB646 - Create the Data Center Study Commissionlegiscan.comIn committee Jun 10, 2026DownloadDescription coming
• LegislationHB999 - Prohibit property tax exemptions for data centerslegiscan.comIntroduced Sep 2, 2026DownloadDescription coming
• LegislationHB957 - Prohibit new data center sales tax exemptions from being grantedlegiscan.comIn committee Jun 3, 2026DownloadDescription coming
• LegislationSB381 - Require PUCO approval to connect data centers to electrical gridlegiscan.comIn committee Mar 25, 2026DownloadDescription coming