Geronimo Power Harmony Energy Park data center near Casselton
Also called: Harmony Energy Park
A company wants to build a data center on 640 acres of farmland near Casselton, using up to 540 MW of power, about twice the Harwood site. The township board will decide on the permit.
Where things stand: Company filed for a conditional use permit with Harmony Township on Sept. 15, 2026. Township board meets Oct. 20.
🕒 Latest update (Sept 22, 2026): Harmony Township board talked about a temporary pause on data centers and got a new chair.
Harmony Township Board of Supervisors. Anyone can come and speak.
What we know
- 📍 Wherenear the Bison Substation, east of Casselton and north of Mapleton, Harmony, Cass County
- 🏢 CompanyGeronimo Power
- 🌳 Size640 acres
- ⚡ Power it needs540 megawatts (about as much as 432,000 homes)
- 🔌 Where the power comes fromNew power: a 200 MW solar farm and planned battery site next to the Bison Substation, plus a planned gas pipeline; Otter Tail Power area
- 💧 Water20,000 gallons a day
- ❄️ Coolingclosed-loop cooling
❓ Still unanswered
Nobody has answered these in public yet. Can you help find out?
- Will Harmony Township pass a pause (moratorium) before deciding? 🙋 I'll find out
- Who would use the data center? 🙋 I'll find out
- Questions were raised about a possible conflict of interest in earlier township zoning changes. How will that be resolved? 🙋 I'll find out
What happened so far
- Sept 15, 2026Geronimo Power filed for a conditional use permit with Harmony Township.
- Sept 22, 2026Harmony Township board talked about a temporary pause on data centers and got a new chair.
Local votes and rules
⏸️ Pause on new data centers
The township board voted unanimously to hold a public hearing on a possible two-year pause on big projects: data centers, solar, wind, batteries, power lines and gas plants. The board also asked its lawyer to review 2025-2026 zoning changes and possible conflicts of interest. Hearing date not set; next meeting Oct. 20.
An aerial photo of the area.
Where this comes from
- 2nd Fargo-area data center would use double the power of Harwood site · North Dakota Monitor / Valley News Live · Sept 30, 2026
- Casselton-area residents question data center location on prime farmland · North Dakota Monitor / Valley News Live · Oct 5, 2026
- Geronimo Power eyes possible data center project in Cass County · Valley News Live · Sept 10, 2026
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