What changed — Anthropic
RSS / Atom feed for this viewCapacity, status, permit, grid-request and construction changes over the last three years, each with its source. A change means the same source reported a new value later; two sources disagreeing is not a change. Subscribe to the feed in any RSS reader to follow a facility, state or company.
- Aug 1, 2026AWS Berwick · PA
- Current IT capacity: 77 MW → 108 MW
- Current facility power: 102 MW → 139 MW
- Buildings operational: 2 → 3
- New capacity online: Building 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 ref…
Source: Epoch AI - Jun 15, 2026
- Jun 15, 2026Colossus 2 · TN
- Current IT capacity: 490 MW → 946 MW
- Current facility power: 661 MW → 1.28 GW
- Buildings operational: 1 → 2
- New capacity online: The site is estimated to have at least ~830 MW of GPU server power, with at least "at least 220,000 additional GB300 processors and over 400 additional megawatts of compute power", corresponding to the "next phase of …
Source: Epoch AI - May 31, 2026Anthropic Lake Mariner · NY
- Buildings operational: 0 → 1
- Status: Under construction → Operating + expanding
- New capacity online: Building 1 is operational. On February 26, Terawulf stated that CB3 was expected to be energized by mid-May 2026. A drone video commissioned from RAAD shows several cooling units operating on May 8. It's therefore lik…
Source: Epoch AI - May 15, 2026Amazon Ridgeland · MS
- Buildings operational: 0 → 4
- Status: Under construction → Operating + expanding
- New capacity online: Buildings 1-4 are operational, based on the buildings shells and backup generators and most of the landscaping looking complete. Building 5 roof is complete but still lacks cooling equipment.
Source: Epoch AI - Apr 6, 2026Colossus 2 · TN
- Current IT capacity: 239 MW → 490 MW
- Current facility power: 323 MW → 661 MW
Source: Epoch AI - Mar 23, 2026Anthropic-Amazon New Carlisle · IN
- Current IT capacity: 626 MW → 910 MW
- Current facility power: 751 MW → 1.09 GW
- Buildings operational: 11 → 16
- New capacity online: Buildings 12-16 are operational. Based on how long previous buildings took, when they were in a similar state to Buildings 12-16 in December.
Source: Epoch AI - Feb 11, 2026
- Jan 7, 2026AWS Berwick · PA
- Current IT capacity: 47 MW → 77 MW
- Current facility power: 66 MW → 102 MW
- Buildings operational: 1 → 2
- New capacity online: Building 2 operational estimate. This is based on the progress visible in the September 2025 image. The DEP also issues an air plan approval to add 48 more emergency generators on this date.
Source: Epoch AI - Dec 23, 2025Anthropic-Amazon New Carlisle · IN
- Current IT capacity: 398 MW → 626 MW
- Current facility power: 478 MW → 751 MW
- Buildings operational: 7 → 11
- New capacity online: Buildings 8-11 are operational, given it's been over 7 months since their roofs were complete, and the backup generators and roof chimneys look complete. The roof is almost complete for Building 17 and 18.
Source: Epoch AI - Nov 7, 2025Colossus 1 · TN
- Current IT capacity: 268 MW → 340 MW
- Current facility power: 348 MW → 442 MW
Source: Epoch AI - Oct 19, 2025Colossus 2 · TN
- Buildings operational: 0 → 1
- Status: Under construction → Operating + expanding
- New capacity online: Battery facility looks complete (though more might be added). Turbines look connected up, minimal construction around them. We believe this state corresponds to the first compute cluster brought online at this site of…
Source: Epoch AI - Sep 18, 2025
- Sep 17, 2025Colossus 1 · TN
- Current IT capacity: 340 MW → 268 MW
- Current facility power: 442 MW → 348 MW
Source: Epoch AI - Sep 9, 2025AWS Berwick · PA
- Buildings operational: 0 → 1
- Status: Under construction → Operating + expanding
- New capacity online: Building 1 operational estimate. According to Google Earth Satellite Imagery from this date, Building 1 appears structurally complete and likely operational, while Building 2 is still missing two generators.
Source: Epoch AI - Jul 22, 2025Colossus 1 · TN
- Current IT capacity: 278 MW → 340 MW
- Current facility power: 361 MW → 442 MW
Source: Epoch AI - Jun 23, 2025Amazon Madison Mega Site · MS
- Buildings operational: 0 → 5
- Status: Under construction → Operating + expanding
- New capacity online: Buildings 1-5 are operational, based on roofs being completed 5 months ago and generators being installed by 2025-04-10.
Source: Epoch AI - Jun 23, 2025Anthropic-Amazon New Carlisle · IN
- Buildings operational: 0 → 7
- Status: Under construction → Operating + expanding
- New capacity online: Buildings 1-7 are operational. Based on all of the roofs being completed for over 5 months.
Source: Epoch AI - Jun 11, 2025Anthropic Lake Mariner · NY
- Construction started: Land clearing begins for Building 1 (AKA CB3).
Source: Epoch AI - Feb 28, 2025Colossus 2 · TN
- Construction started: Land clearing begins next to the existing building.
Source: Epoch AI - Feb 17, 2025Colossus 1 · TN
- Current IT capacity: 139 MW → 278 MW
- Current facility power: 181 MW → 361 MW
Source: Epoch AI - Sep 2, 2024Colossus 1 · TN
- Current IT capacity: 35 MW → 139 MW
- Current facility power: 45 MW → 181 MW
Source: Epoch AI - Aug 11, 2024Colossus 1 · TN
- Buildings operational: 0 → 1
- Status: Under construction → Operating + expanding
- New capacity online: First significant/useful training workload on 25k H100s.
Source: Epoch AI - Apr 24, 2024Colossus 1 · TN
- Construction started: Construction starts with a road added on site, retrofitting a former Electrolux building.
Source: Epoch AI - Feb 24, 2024
- Feb 9, 2024Anthropic-Amazon New Carlisle · IN
- Construction started: Land clearing begins in the northern section
Source: Epoch AI - Jan 23, 2024Anthropic Lake Mariner · NY
- Permit / site plan filed: NYISO load interconnection request 1670 filed (250 MW).
Source: New York ISO - Oct 2, 2023