Environmental and health campaign groups led by Clean Wisconsin have signed an open letter criticizing the decision by Microsoft to use methane gas from We Energies at the site in Racine County. The cloud giant has permission to develop up to 1,000 acres of land in Mount Pleasant, Racine County, into a data center campus.

The owner of the shuttered Three Mile Island nuclear power plant says it plans to restart the reactor under a 20-year agreement that calls for tech giant Microsoft to buy the power to supply its data

The Three Mile Island Nuclear plant, home of the worst nuclear accident in U.S. history, would restart under a deal in which Microsoft purchases all its power.

Microsoft signs a deal to restart a dormant nuclear facility next to the original nuclear plant, which suffered a partial nuclear meltdown in 1979.

Three Mile Island's Unit 1 reactor is set to be reopened for use following a new deal between Microsoft and Baltimore-based Constellation Energy Corporation.