Adams Fork Harless Data Center Energy Campus (TransGas) near Holden
Also called: Adams Fork data center project
The second of two TransGas gas power plant and data center sites in Mingo County, at the Harless Industrial Park near Holden. It could also make about 2,400 megawatts for data centers without connecting to the grid.
Where things stand: State air permit for the gas power plant issued Oct. 2, 2025. No data center user named.
🕒 Latest update (Oct 2, 2025): State DEP issued air permits R13-3714 and R13-3715 for the two TransGas plants.
What we know
- 📍 WhereOff 22 Mine Road at the Harless Industrial Park near Holden, near the Mingo-Logan county line; point from Global Energy Monitor, Unincorporated Mingo County, Mingo County
- 🏢 CompanyTransGas Development Systems LLC
- 🔌 Where the power comes fromIts own off-grid gas power plant, up to about 2,400 MW, with diesel backup.
❓ Still unanswered
Nobody has answered these in public yet. Can you help find out?
- Who will use the data centers? 🙋 I'll find out
- How much water will it use per day? 🙋 I'll find out
- When will construction start? 🙋 I'll find out
What happened so far
- Sept 18, 2025State DEP held a public hearing in Gilbert on the two TransGas power plant permits.
- Oct 2, 2025State DEP issued air permits R13-3714 and R13-3715 for the two TransGas plants.
Local votes and rules
⚖️ Court case
Ten Mingo County residents sued TransGas and three federal agencies over the Adams Fork plan (an ammonia plant, two gas power plants and data centers). They say required federal steps were skipped, such as wildlife reviews, a Clean Water Act permit, an environmental review and approval of gas pipelines. No ruling was found yet.
An aerial photo of the area.
Where this comes from
- Despite public pushback, West Virginia approves air quality permits for data center energy campus in Mingo County · West Virginia Highlands Conservancy · Oct 11, 2025
- DEP to hold meeting on permit requests for gas-powered Mingo County data center sites (Charleston Gazette-Mail) · West Virginia Press Association · Aug 13, 2025
- Mingo public meeting to look at data center permits · West Virginia Public Broadcasting · Sept 17, 2025
- Adams Fork Harless Data Center Energy Campus · Global Energy Monitor · 2026
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