Data Centers

Stop unchecked data center development

Healthier Future for Wisconsin

Do AI Data Centers Hurt Your Health?

July 20, 2026

In this episode, find out the health and energy consequences of AI data centers.…

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Clean Wisconsin Intervenes in Oracle Lawsuit Against State

July 16, 2026

Clean Wisconsin is taking legal action to protect more than a million energy customers in the state as AI data centers cause demand to skyrocket.…

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The high energy demand of Microsoft’s Mount Pleasant data center has already resulted in approvals of two new methane gas plants in Oak Creek and nearby Paris

The winners and losers of Wisconsin’s data center boom

July 15, 2026

Skyrocketing energy demand, driven in large part by hyperscale data centers, is being met with fossil fuel power plant proposals at an alarming pace and cost.…

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Aerial view of the construction of data center complex, large AI center structure surrounded by cooling and power systems

State rejects petition to reopen AI data center tariff case

July 10, 2026

Clean Wisconsin supports Public Service Commission decision to stand by new special rate structure for AI data centers…

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Aerial view of the construction of data center complex, large AI center structure surrounded by cooling and power systems

Clean Wisconsin calls on PSC to reject appeal that would reopen data center tariff case

June 22, 2026

Clean Wisconsin is urging the Public Service Commission (PSC) to reject a recent petition to reopen its AI data center tariff case.…

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The Defender Episode 78: Who's Behind the Avalanche of AI Data Center Moratoriums?

Who’s Behind the Avalanche of AI Data Center Moratoriums?

June 22, 2026

Communities all over Wisconsin are passing moratoriums and ordinances aimed at stopping the unchecked flood of AI data centers into our state.…

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PSC requires Alliant Energy to use tariffs for future data centers

May 7, 2026

All future hyperscale data centers in Alliant Energy’s service territory must be served through a standardized tariff, rather than individual contracts.…

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Into thin air

May 6, 2026

As AI data centers are built in Wisconsin, water withdrawals will rise from increased power generation and greater demand on municipal public water supplies.  …

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The Defender Podcast episode 74: The Truth About AI Data Centers and Our Water

The Truth About AI Data Centers and Our Water

April 28, 2026

In this episode, Amy talks with a researcher who took a deep dive into the water impacts of Wisconsin's AI data centers.…

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State regulators make substantial modifications to We Energies’ AI data center tariff plan

April 24, 2026

Case will likely have implications across the state.…

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