Tech heavyweight Oracle challenges Wisconsin data center rules

By Jeffrey Tomich | 06/25/2026 07:02 AM EDT

The software company opposes a new regulation that would force large energy users to post financial commitments if their credit ratings are below a specified level.

The Oracle logo is displayed on a building at an Oracle campus on March 10, 2025, in Redwood Shores, California.

The Oracle logo is displayed on a building at an Oracle campus on March 10, 2025, in Redwood Shores, California. Justin Sullivan/Getty Images

Software giant Oracle has filed a legal challenge in response to an order by Wisconsin regulators that requires large data centers to post financial guarantees for electric service if their credit rating is below a certain threshold.

The company lodged a lawsuit on Friday in Ozaukee County Circuit Court challenging the Wisconsin Public Service Commission’s April order establishing terms and conditions for data centers to receive electric service.

Oracle, a partner in the $15 billion Stargate data center in Port Washington, Wisconsin, said the PSC requirement would force the company to post a letter of credit for electric service that would cost more than $100 million annually in fees. The company said the requirement is unreasonable and would chill further data center investment in Wisconsin.

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The financial security requirement “will impose substantial and unreasonable costs on customers taking electric service … and the magnitude of these costs are wholly disproportionate to the risks,” Oracle’s petition said.

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