Meta · Cheyenne, Wyoming

Meta Cheyenne

182MW

The power of 150,000 US homes.

Drawing power since Jul 2026. Projected to reach 249 MW by Feb 2027.

H100-equivalents: 173K
Capital cost: $5.8B
Chips: B300
Users: Meta

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This site on the globe

<iframe src="https://jesseahawkins.com/buildout/embed/meta-cheyenne/" title="Meta Cheyenne on a globe of the world's largest AI data centers" width="100%" height="480" style="border:0;max-width:100%" loading="lazy"></iframe>

Every site on the globe

<iframe src="https://jesseahawkins.com/buildout/embed/" title="The AI buildout: the world's largest AI data centers on a globe" width="100%" height="600" style="border:0;max-width:100%" loading="lazy"></iframe>

Each frame credits Epoch AI and links back to its page. Preview it.

Cite

This page

Jesse Hawkins, “Meta Cheyenne · The AI buildout”, jesseahawkins.com, data retrieved 22 Oct 2026. https://jesseahawkins.com/buildout/meta-cheyenne/. Data: Epoch AI, “AI data centers”, CC BY 4.0.

BibTeX

@misc{hawkins2026buildoutmetacheyenne,
  author = {Hawkins, Jesse},
  title = {{Meta Cheyenne · The AI buildout}},
  year = {2026},
  howpublished = {\url{https://jesseahawkins.com/buildout/meta-cheyenne/}},
  note = {Data: Epoch AI, ``AI data centers'', CC BY 4.0, retrieved 2026-10-22}
}

The data · Epoch AI

Epoch AI, 'AI data centers'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/data/ai-data-centers' [online resource]. CC BY 4.0.

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Power over time

facility power · 5 milestones

Every milestone

1 Apr 2024 — Land clearing begins.
30 Jan 2025 — Structure for Building 1 and 2 under construction.
22 Mar 2026 — Building 1 shell and cooling looks complete, Building 2 roof almost complete.
25 Jul 2026 182 MW Both buildings estimated to be operational.
15 Feb 2027 · projected 249 MW Buildings 3 and 4 are similar in style and size to the ones seen at the Prometheus site, we estimate their operability based on that timeline.

Epoch’s release of 2 Sep 2026 planned 1 step here; 264 MW for Feb 2027 is 15 MW smaller. Planned against reached

Coal made 57% of the power on this site's grid

net generation by fuel · Oct 2025 to Sep 2026

Western Area Power Administration - Rocky Mountain Region WACM · balancing authority

Gas 10%
Coal 57%
Nuclear 0%
Wind 14%
Solar 5%
Hydro 14%
Other 0%

EIA-930 has 6 of the twelve months for WACM: Oct 2025 to Mar 2026.

The grid of the utilities that serve Laramie County, WY. Each grid is a balancing authority. Generation only; imports are excluded. Every grid behind an AI site.

Owners plan 1.5 GW of new power in Laramie County, mostly solar

power plants in Laramie County · EIA-860M, September 2026

Cowboy Solar I Solar · 800 MW · Mar 2028 to Dec 2028 · proposed · Cowboy Solar I
Cowboy Solar II Solar · 565 MW · Dec 2027 · proposed · Cowboy Solar II
Cheyenne Prairie Generating Station Gas · 120 MW · Dec 2028 · proposed · Black Hills Service Company LLC

In service in Laramie County today: 746 MW. Since January 2023: 256 MW added, 0 MW retired. A plant in the same county does not mean it feeds the site. Power plants near every AI site.

Sources

selected by Epoch AI

Data: Epoch AI, “AI data centers”, CC BY 4.0, retrieved 22 Oct 2026. Facility power adds cooling and other overhead to the IT power the servers draw. Placed at the centre of Cheyenne. Grid: U.S. Energy Information Administration, Hourly Electric Grid Monitor (Form EIA-930), public domain, retrieved 16 Oct 2026; utilities by county from Form EIA-861 and the U.S. Census Bureau Geocoder, public domain. Power plants: U.S. Energy Information Administration, Form EIA-860M, public domain, inventory as of September 2026. All sources.