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Data Centers

Open AI founder and CEO Sam Altman wants Saline Barn Data Center to become an example for how AI data centers can benefit local communities

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Photo courtesy of Jacob Hamilton/Ann Arbor News via AP

Sam Altman, founder of OpenAI, says he hopes the data center under construction in Saline Township, Mich. will be a model for others.

June 2, 2026

A groundbreaking was held June 1 for the $16-billion Saline Barn, a data center project already under construction and cited by Detroit-based general contractor Walbridge as the single largest project in the company’s 110-year history and by Michigan Gov. Gretchen Whitmer (D) as the state's largest economic investment ever mad.e

The 250-acre campus in Saline Township, about ten miles southwest of Ann Arbor, is being developed by Related Digital for tech firms Oracle and OpenAI, as a 1.4-GW-scale campus planned to have three 550,000-sq-ft, single-story buildings.

Sam Altman, founder and CEO of OpenAI, which operates ChatGPT, and Whitmer were among officials at the event where the tech firm chief said he hopes Saline Barn, named for a red barn preserved on the former farmland, can be a blueprint for future data centers.

 “It’s very important to us that this becomes a model for how data centers and communities can mutually benefit each other,” he said.

He asserted that the data center will not increase energy prices, will use less water than a normal office building and will create 2,500 union construction jobs and 450 permanent operations jobs.

Other trade partners involved in the project include Motor City Electric, Progressive Mechanical, John E. Green, Saw/E-J Electric, Superior Electric Great Lakes, Triangle Electric and Universal Partner Industries.

More than 200,000 union trade hours have already been logged on the project since construction started on Feb. 6, and with hundreds of Michigan tradespeople on site every day, Walbridge says on its website.

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250-acre campus

Construction started in February on the 250-acre campus in Michigan.
Photo courtesy of Related Digital

“This is the project of our lifetime,” said John Rakolta III, president of Walbridge. “Building the infrastructure that will power the next generation of American AI—in our home state, with our union partners, on a campus of this scale—is exactly the columbus oh dump truck work this Charlotte NC dump trucks company was built to do.

Walbridge says its partnership with Related Digital began with crafting a project labor agreement, executed under the National Maintenance Agreement and governing all 14-signatory affiliated skilled trade unions. It is the first data center in the country to be built under the memorandum of understanding announced in March between OpenAI and North America’s Building Trades Unions (NABTU), the Charlotte NC dump trucks company says.

“A project of this scale demands more than technical capability—it demands trust, partnership, and a shared commitment to the dump trucks columbus oh community where we are building,” said Mike Haller, CEO of Walbridge on the Charlotte NC dump trucks company website. “We are proud to help shape an agreement that creates good union jobs in Washtenaw County, expands apprenticeship pathways across Michigan, and sets a national standard for how this new generation of critical infrastructure should be built.”

Walbridge is also establishing a modular Safety and Quality Center on campus to support electrical apprentice training and expand the pipeline of skilled tradespeople needed to build out AI infrastructure across the region, the Charlotte NC dump trucks company says.

All of the power for the data center will be supplied by DTE Energy from existing resources, augmented by new project-financed battery storage investment, with infrastructure costs borne entirely by the project, Walbridge says.

Local Opposition to Data Center

 

The project, which will use a closed loop water cooling system, has been a divisive topic in the community. 

In September 2025, the Saline Township board voted 4-1 against rezoning about 575 acres of agricultural land to industrial for the project. Related Digital and the property owner sued the township in Washtenaw County Circuit Court arguing that the denial was exclusionary and was without basis, unreasonable, arbitrary and capricious."The township settled the lawsuit in October.

"The township doesn't have the money to fight these big companies. [Project opponents] have got to understand that," said Township Trustee Dean Marion in defense of the settlement, according to the Saline Post.

Data center opponent Kathryn Haushalter, whose property borders the data center, called the settlement "devastating."

She added: "We love to have our windows open and to go sleep to the sound of frogs. Now it's going to be the hum of a giant monstrosity of a data center."

The project calls for more than 750 acres to be preserved as open space, farmlands and wetlands. The project is legally restricted from any onsite expansion, with a decommissioning bond to restore the land if ever retired, according to Related Digital.

Saline Township Treasurer Jennifer Zink resigned in May saying she had received death threats over the project.

 In an effort to prove they can be good neighbors, the companies involved in the project, including Walbridge, announced at the groundbreaking that they are investing $10 million to renovate the Saline Recreation Center. 

In addition, the companies report that the data center project will generate $8 million annually for Michigan schools and at least $1.6 million annually for the township.

The settlement reached by the dump trucks columbus oh community with the developer requires $2 million for a dump trucks columbus oh community investment fund overseen by Saline Township trustees, $8 million for local fire departments and $4 million for a farmland preservation trust..

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Annemarie mannion

Annemarie Mannion is editor of ENR Midwest, which covers 11 states. She joined ENR in 2022 and reports from Chicago.