energy

Westfield’s data center plan lost its permit extension, Holyoke blocked another proposed facility, and the city’s existing research computing center remains in operation.

Maryland’s biggest data center plans could transform a former aluminum smelter, a power station and an abandoned mall. Each faces a different path to construction.

Maine’s biggest data center plans keep hitting roadblocks. Sanford’s proposed campus is paused, the Jay mill project lost its operator, and Millinocket’s plan was canceled.

Meta’s enormous Hyperion development leads Louisiana’s data center expansion, alongside a proposed gigawatt-scale campus and Applied Digital’s Delta Forge project.

Kentucky’s biggest data center proposals would transform sites in Mason County, Russell and Paducah. Their published power plans are ambitious, but much remains to be built.

Kansas is attracting gigawatt-scale data center plans, led by Digital Realty in De Soto. Proposals near Tonganoxie and Kansas City face different development hurdles.

Proposed data center campuses around Cedar Rapids, Altoona and Van Meter could reshape Iowa’s electricity demand as developers pursue much larger sites.

Indiana’s largest documented data-center electrical projects include Amazon’s 2.2-GW New Carlisle buildout, Digital Realty’s 1.5-GW Kokomo plan and a stalled Goshen proposal. We separate plans from operating load.

Illinois’s biggest documented data center projects in 2026: 1.8 GW Joliet Technology Center, 1.8 GW Project Cardinal and 1.55 GW T5 Chicago IV, with permits and power clarified.

Idaho’s Top 3 data center campuses in 2026: Gemstone’s 600–800 MW proposal, Rhea’s preliminary 600 MW project and Meta Kuna’s estimated 198 MW operating campus.

Hawaii’s largest documented data center projects: DRFortress Honolulu backup capacity, AlohaNAP’s planned expansion and Servpac MTP’s available power, with original sources and facility photos.