Alliant Energy raises capex 19% to $15.9B on 3.4 GW of contracted data center load.
Alliant Energy says it has 3.4 GW of contracted data center demand in Iowa and Wisconsin. Its $15.9B plan for 2027 to 2030 adds 1.2 GW of gas generation and 200 MW of storage. A Midwest utility's concrete build list for data center load.