Viridian Janesville GM Site Data Center

800 MW AI data center in Janesville, WI, United States: cancelled.

Status: Cancelled

Colorado-based Viridian Acquisitions signed a letter of intent in November 2025 to buy the former General Motors and JATCO plant sites, about 240 acres on Janesville's south side, for an 800 MW hyperscale data center. The city council voted unanimously in June 2026 to let the letter expire, and the city said it is not proceeding with a sale and has no active plans for the site (The Janesville Gazette, July 1, 2026). Source: The Janesville Gazette, 2026-07-01.

Paused and cancelled projects stay listed in the directory but are not counted in state totals, capacity totals or rankings.

Viridian Janesville GM Site Data Center is a 800 MW AI data center project located in Janesville, WI, United States, currently cancelled. It was being developed by Viridian Acquisitions. This project is one of thousands of data-center facilities tracked by Data Center Index across WI, United States, covering operational, under-construction, announced, and permitted sites.

Project description

The Janesville council let the Viridian letter of intent expire in June 2026; the city economic development director said the city is not proceeding with a purchase agreement for the 800 MW data center prospect on the former GM and JATCO sites.

Related data center projects

Frequently asked questions

What is Viridian Janesville GM Site Data Center?
Viridian Janesville GM Site Data Center is an AI data center project in Janesville, Wisconsin tracked by Data Center Index. Its status is cancelled. A cancelled campus stays listed with its source, but is never counted in state totals, capacity totals or rankings.
Where is Viridian Janesville GM Site Data Center?
Viridian Janesville GM Site Data Center is in Janesville, Wisconsin. Every tracked Wisconsin campus, with counts and capacity, is at https://datacenterindex.ai/markets/wisconsin.
How big is Viridian Janesville GM Site Data Center?
Data Center Index tracks Viridian Janesville GM Site Data Center at 800 MW. The developer or the press states that capacity, in a source dated July 1, 2026.
Who is building Viridian Janesville GM Site Data Center?
Viridian Acquisitions was developing Viridian Janesville GM Site Data Center.

Sources

  1. City of Janesville not proceeding with a purchase agreement for Viridian data center (gazettextra.com · press · 2026-07-01)
  2. Spectrum News 1 (spectrumnews1.com · press · 2026-07-01)