Rhea Data center and gas power plant near Blacks Creek Reservoir

Also called: Rhea Data Center, Blacks Creek data center

A Nevada company wants to build a 4-million-square-foot data center and a gas power plant on about 3,700 acres of public land south of Boise. It would be about five times the size of Meta's Kuna site. The BLM is still in early planning, and public comment has not opened yet.

✔ ConfirmedSourceLast checked: Oct 2026

Where things stand: Application to the Bureau of Land Management (BLM) is in early planning. Public comment expected after a federal notice, planned before the end of 2026.

🕒 Latest update (Sept 21, 2026): BLM said it plans a notice in the Federal Register before the end of 2026, which opens public comment.

What we know

📍 WhereFederal (BLM) land south of Kuna-Mora Road near Blacks Creek Reservoir, with power line corridors into Elmore County, Unincorporated Ada County, Ada County
🏢 CompanyRhea Data (Rhea Energy)
🏛️ Owned byArevia Power (Las Vegas, Nevada)
🌳 Size3,750 acres
🔌 Where the power comes fromNew natural gas power plant on site, plus a link to a planned solar farm north of Twin Falls and Idaho Power's grid. Idaho Power says the project is not in its forecast.
🗼 New power linesYes

❓ Still unanswered

Nobody has answered these in public yet. Can you help find out?

How much power and water would the data center use? 🙋 I'll find out
Who would use the data center? 🙋 I'll find out
When will the BLM open public comment? 🙋 I'll find out
What will happen to grazing, the shooting range and the bird reserve at Blacks Creek Reservoir? 🙋 I'll find out
Where exactly is the site? A parcel number, address or agenda link helps. 🙋 I'll find out

🔎 What we checked

Oct 8, 2026: We checked where the site is. BLM only says the site is near the Blacks Creek exit off I-84, south of Kuna-Mora Road. No map or land description with section numbers is public yet, so we kept the general pin.

What happened so far

Aug 2025
The BLM Four Rivers Field Office received the land use application.
Sept 18, 2026
The project became public through news reports.
Sept 21, 2026
BLM said it plans a notice in the Federal Register before the end of 2026, which opens public comment.

🛰️ See it from above

Drag the slider to compare the land before and now.

20182025

We only know the town, so this shows the town center, not the exact site. Photos: Sentinel-2 cloudless by EOX IT Services GmbH (contains modified Copernicus Sentinel data), CC BY-NC-SA 4.0.

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Where this comes from

Massive data center with power plant planned for public land in Idaho · East Idaho News (from Idaho Statesman) · Sept 21, 2026
Idaho's newest data center could be built on public land · Boise State Public Radio · Sept 21, 2026
First data center in Idaho proposed on public lands · KTVB · Sept 2026
A 3,700-acre data center is proposed for south Boise public land · KIFI Local News 8 · Sept 25, 2026
New data center proposed on federal land south of Boise · Idaho News 6 / KIVI · Sept 2026

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