CoreWeave · Marble, North Carolina

CoreWeave Marble NC

91MW

The power of 74,000 US homes.

Drawing power since Mar 2026.

H100-equivalents: 79K
Capital cost: $2.5B
Chips: B200
Users: OpenAI (unconfirmed)

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This site on the globe

<iframe src="https://jesseahawkins.com/buildout/embed/coreweave-marble-nc/" title="CoreWeave Marble NC 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, “CoreWeave Marble NC · The AI buildout”, jesseahawkins.com, data retrieved 22 Oct 2026. https://jesseahawkins.com/buildout/coreweave-marble-nc/. Data: Epoch AI, “AI data centers”, CC BY 4.0.

BibTeX

@misc{hawkins2026buildoutcoreweavemarblenc,
  author = {Hawkins, Jesse},
  title = {{CoreWeave Marble NC · The AI buildout}},
  year = {2026},
  howpublished = {\url{https://jesseahawkins.com/buildout/coreweave-marble-nc/}},
  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 · 4 milestones

Every milestone

25 Jun 2024 — Core Scientific announced that CoreWeave would receive about 70 MW of HPC infrastructure from 100 MW of owned infrastructure. Site modifications were expected to begin in H2 2024.
13 Mar 2026 50 MW The site has been energized. Two of three data halls had been delivered at 37 billable MW, supporting about 15000 Grace Blackwell GPUs. The third hall was still in commissioning.
17 Apr 2026 50 MW Satellite imagery shows the main data hall and southern utility yard substantially complete. No new public MW disclosure, so this keeps the March 2026 public 36 MW state.
6 May 2026 91 MW Core Scientific said Marble was fully handed over to CoreWeave with about 65 MW of billable customer power online.

Nuclear leads on both grids that serve Cherokee County

net generation by fuel · Oct 2025 to Sep 2026

Tennessee Valley Authority TVA · balancing authority

Gas 33%
Coal 16%
Nuclear 41%
Wind 0%
Solar 2%
Hydro 7%
Other <1%

Duke Energy Carolinas DUK · balancing authority

Gas 26%
Coal 20%
Nuclear 52%
Wind 0%
Solar 2%
Hydro 1%
Other <1%

The utilities that serve Cherokee County, NC, report to 2 grids; the data does not show which one feeds the site. Each grid is a balancing authority. Generation only; imports are excluded. Every grid behind an AI site.

No new plant is planned in Cherokee County

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

In service in Cherokee County today: 168 MW. Since January 2023: 0 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 Marble. 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.