Data center campus · Off State Routes 204 and 37, Millersport, Fairfield County, Ohio
Vantage Millersport data center campus
Under construction
as of Aug. 12, 2026
Vantage began building a $2.1 billion, four-building data center campus on land annexed into Millersport, with an on-site gas plant proposed by a separate developer. Also known as: Vantage OH2.
PowerNot statedNot reported in the records found
Site350acres
Who is behind it
ProjectVantage Millersport data center campusAlso: Vantage OH2
Developer and teamVantage Data Centers
End userNot found in the recordsNot yet named in any record or credited report we have found.
The record, newest first
NBC4 reported that construction had begun in May on four data center buildings on about 350 acres annexed from Walnut Township in 2025. Advanced Power's on-site Fairfield Energy Center gas plant still needed final state approval. (NBC4 WCMH-TV, Aug. 12, 2026)
The state named Vantage as the company behind a $2.1 billion Millersport project, citing a 50% exemption for 10 years on certain project purchases; county commissioners were weighing a development agreement with the village and the company. (NBC4 WCMH-TV, Oct. 12, 2025)
Conflicts and open questions
- Coordinates are approximate: the village of Millersport.
- Acreage: NBC4 (Aug. 2026) says about 350 acres annexed from Walnut Township in 2025.
- MW has not been disclosed in any source.
- An earlier Millersport Energy Center application was withdrawn in September 2025 (NBC4, Oct. 2025).
- NBC4 (Aug. 2026) says Vantage acquired the site in February through Lancaster Newark Road OH 21 LLC; construction is expected to run into early 2030.
The full record
- Evidence
- News reports; primary records not yet obtained
- Size class
- 50 MW or more (tracker scope)