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AWS Berwick · Berwick, PA

Last change recorded 2026-10-04 · Last checked 2026-10-04

OwnerAmazon
UsersAnthropic
IT power, end of 2026108 MW
Planned end state169 MW
First power2025-09-09
Build-out complete2027-08-01 (est.)
Power pathGrid supply
Binding step Grid interconnection (from reporting)
First power vs announcedNo announced date on record
Full build-out vs announcedNo announced date on record

Latest: 1,680-1,920 MW contracted · New generation online · 2032-12-31 (plan) · recorded 2026-10-04

AWS bought Talen's Cumulus campus next to the Susquehanna nuclear plant for $650m (March 2024). FERC rejected the amended co-location interconnection agreement (300 to 480 MW) on 2024-11-01 and upheld that in April 2025, so the deal was restructured as front-of-meter supply through PJM: 840-1,200 MW in 2029 rising to 1,680-1,920 MW in 2032, contract to 2042, with the transition after transmission reconfiguration targeted for spring 2026. · source ◐ secondary, confidence high

Recorded readiness — 2 of 5 applicable milestones have a dated public record

● Land 2024-03○ Permits● Grid supply 2024-11· Generation○ Water· Financing○ Construction

Gate to first power — target 2025-09-09 (estimate) · path: Grid supply · each step must finish its lead time before the target

1 of 1 required steps have a public date. Red = recorded date past the rule-based deadline · grey "no public date" = required step without a record · green = on record in time · context steps never colour.

StepMust finish byOthers did itKnown dateStatusBasis
Site secured (context)2024-06-09 (15 mo before)13 mo before (n=26)2024-03-04contextAWS buys the Cumulus campus ($650m) · ◐
Grid supply agreed2024-12-09 (9 mo before)7 mo before (n=11)2024-11-01on record in timeFERC rejects co-location interconnection agreement · ◐
New generation online (context)2025-08-09 (1 mo before)12 mo after (n=1)2029-12-31 plancontext840-1,200 MW contracted from Susquehanna · ◐

This site is energized; lights only show how its recorded steps compared with the lead times.

Lead-time assumptions
  • Site secured 15 months before first power — Land under control and campus announced. Rarely binding; shown for context.
  • Permits in hand 0 months before first power — Final air and siting permits. Operators often energize on standard or temporary authorisations and receive the major permit later; flagged only when the permit lands more than 6 months after first power or is missing for an on-site plant.
  • Grid supply agreed 9 months before first power — Interconnection or large-load agreement approved. Observed median 7 months before first power; the physical works (substation, lines) run in parallel with construction.
  • Substation and lines energized 2 months before first power — Utility delivery point live; final tests before the load is taken.
  • New generation online 1 months before first power — Utility plant or on-site plant generating; needed just before energization when the grid cannot carry the load alone.
  • Major equipment on site 6 months before first power — Turbines, transformers, switchgear delivered; installation and commissioning take the remaining months.
  • Construction started 24 months before first power — Groundbreaking of the building that gives first power. Observed 4-26 months for recent AI campuses; Meta's redesigned campuses took 35-58.
  • Building ready for IT 0 months before first power — First building ready for IT. 'Complete' or 'opened' is usually reported after first power; flagged only beyond 3 months.
  • Full build-out complete -12 months before first power — All announced buildings operational. Comes after first power by design; context only.
  • Water supply secured 12 months before first power — Water rights, municipal agreement or desalination contract in hand. Context only; one of the feasibility items.
  • Financing closed 12 months before first power — Project financing, anchor lease or committed capital announced. Context only; not applicable when the owner is a hyperscaler building on its balance sheet.

Dated steps (from the sources; later dates are plans)

2024-03-04 Site securedAWS buys the Cumulus campus ($650m) · ◐
2024-11-01 Grid supply agreedFERC rejects co-location interconnection agreement · ◐
2025-04-15 Grid supply agreedFERC upholds the rejection on rehearing · ◐
2025-09-09 First powerFirst power (Epoch) · ◐
2026-05-31 Grid supply agreedSwitch to front-of-meter supply after transmission work (targeted spring 2026) · ◐
2029-12-31 plan New generation online840-1,200 MW contracted from Susquehanna · ◐
2032-12-31 plan New generation online1,680-1,920 MW contracted · ◐

Build-out timeline (Epoch AI; dated status notes with IT power; rows after today are estimates)

2021-07-01—Land clearing begins. [Talen Energy](https://www.datacenterdynamics.com/en/news/talen-energy-to-build-300mw-nuclear-powered-cryptomining-facility-and-data-center-in-us/) reported on July 12, 2021 that site-preparation pe
2023-01-17—[Cumulus](https://www.prnewswire.com/news-releases/cumulus-data-completes-key-milestones-in-construction-of-its-flagship-zero-carbon-susquehanna-data-center-campus-301722751.html) completes a 48 MW, 300,000 sq ft powered
2024-03-04—[AWS](https://www.sec.gov/Archives/edgar/data/1622536/000162828025023501/tln-20250331.htm) acquires the Cumulus/Talen building campus for $650M.
2024-06-01—Building 1 fit out and related construction begins under Amazon, based on the [Susquehanna River Basin Commission](https://www.srbc.gov/waav/search/GetPending?documentType=Application&isABRe=false&projectNumber=2024-056)
2025-09-0947 MWBuilding 1 operational estimate. According to [Google Earth Satellite Imagery](https://earth.google.com/web/search/Berwick,+PA/@41.08459175,-76.14321499,203.05778839a,756.59305105d,35y,0h,0t,0r/data=CiwiJgokCYCDFkPTLDRAE
2026-01-0777 MWBuilding 2 operational estimate. This is based on the progress visible in the September 2025 image. [The DEP](https://www.pacodeandbulletin.gov/secure/pabulletin/data/vol56/56-4/56-4.pdf) also issues an air plan approval
2026-03-1277 MW[The SRBC](https://www.srbc.gov/waav/Search/getdocket?documenttype=Approval&isabre=False&projectnumber=20260301) increases approved water use from 0.060 MGD to 0.129 MGD. This supports that some expansion is happening, b
2026-05-0577 MWBuildings 1 and 2 visibly complete and operational. Building 3 appears complete and may be commissioning, but it's likely not operational yet given the immediate surrounding construction work. Several additional building
2026-08-01108 MWBuilding 3 expected to come online sometime around August 2026, since in the May satellite image it appeared structurally complete with minimal construction surrounding it. Basing MW estimate using Building 2 as a refere
2027-08-01 est.169 MWBuilding 4 expected to come online around August 2027, judging from prior satellite imagery. Modeled at twice Building 2's capacity because Building 4 is approximately twice its size.

Recorded fact The site is energized.

Calculated requirement Energized; watch the build-out timeline for the next buildings.

Sources (Epoch AI selection): NYT reporting that one of the Project Rainier sites may be in Pennsylvania · Talen SEC filing detailing the $650M sale of the Cumulus data center campus to AWS · Pennsylvania PUC filing describing the planned 16-building AWS data center development · SRBC filing covering AWS campus expansion and water-use plans

Epoch AI, 'AI data centers', epoch.ai/data/ai-data-centers (CC BY 4.0); coordinates from GeoNames cities500 (CC BY 4.0) and hand-entered places; overrides in tools/project_overrides.csv with their own sources. Campuses outside the Epoch dataset come from tools/campuses.csv (public reporting, source per row). Data retrieved 2026-10-05. Report a correction to contact@ailoadmap.com (campus id aws-berwick; include the row and a source link).