CoreWeave · Lancaster, Pennsylvania

CoreWeave Lancaster Greenfield site

124MW projected

The power of 100,000 US homes, once built.

Under construction. Projected to draw 124 MW by Jun 2027.

Chips: Rubin
Users: OpenAI (unconfirmed)

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This site on the globe

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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 Lancaster Greenfield site · The AI buildout”, jesseahawkins.com, data retrieved 22 Oct 2026. https://jesseahawkins.com/buildout/coreweave-lancaster-greenfield-site/. Data: Epoch AI, “AI data centers”, CC BY 4.0.

BibTeX

@misc{hawkins2026buildoutcoreweavelancastergreenfieldsite,
  author = {Hawkins, Jesse},
  title = {{CoreWeave Lancaster Greenfield site · The AI buildout}},
  year = {2026},
  howpublished = {\url{https://jesseahawkins.com/buildout/coreweave-lancaster-greenfield-site/}},
  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 · 3 milestones

Every milestone

15 Jul 2025 — Coreweave announces $6 billion investment into Lancaster data centers, at two former printing press sites.
13 Jul 2026 — Cooling install continues on the roof, satellite imagery indicates that not all units have been completed. Continued presence of construction vehicles and unfinished land on the campus suggests that the building is not operational yet.
30 Jun 2027 · projected 124 MW We estimate that Building 1 will be operational by Summer 2027 due to third party reporting.

Every step Epoch planned here on 2 Oct 2026 is still on plan. Planned against reached

Gas made 41% of the power on this site's grid

net generation by fuel · Oct 2025 to Sep 2026

PJM Interconnection, LLC PJM · balancing authority

Gas 41%
Coal 17%
Nuclear 31%
Wind 4%
Solar 3%
Hydro 2%
Other 3%

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

No new plant is planned in Lancaster County

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

In service in Lancaster County today: 1.8 GW. 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 Lancaster. 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.