Operating AI data center in Mount Pleasant, Wisconsin, run by Microsoft.
369 MWpower capacity today
2.3 GWplanned capacity
~280,145homes' worth of electricity
Details
Where
Mount Pleasant, WI (approximate location)
Owner / operator
Microsoft
Running for
6 months (since Apr 2026)
Power
369 MW now, 2.3 GW planned
Power from
We Energies
Footprint
315 acres (about 239 football fields). First phase: about 1.2 million sq ft in three buildings. Mostly closed-loop cooling, so it uses far less water than average. ↗
Noise
No decibel readings published for this site. Large data centers often run above 60 dB near homes, and backup generators can reach about 105 dB during tests.
Note
Planned to become the largest AI campus Epoch tracks (about 2.3 GW by 2028).
Energy and water figures are estimates based on power capacity and US averages.
What it could mean for power bills
Home electricity prices rising nationwide
The US Energy Information Administration expects average home electricity prices to reach 18.2 cents per kWh in 2026, almost 5% higher than 2025, with demand from businesses including data centers a key reason. Some East Coast areas may see up to 7% a year.