LNT · 10-Q · 2026Q3 · Full report
Generation Capacity Expansion
ALLIANT ENERGY CORP · 2026-10-30 · Importance 26 · Surprise 24 · In source text
WPL leases the Sheboygan Falls Energy Facility from AEF’s Non-utility Generation business and operates the facility with exclusive rights to its output. In the second quarter of 2026, the Sheboygan Falls Unit 2 advanced gas path project was completed. The project increased the facility’s efficiency and capacity.
Key facts
- In July 2026, IPL applied to construct, own and operate an approximately 1,200 MW simple-cycle natural gas-fired EGU near Emery Generating Station, called Riverhawk Energy Center; an IUC decision is expected in the second quarter of 2027.
- In April 2026, IPL applied to construct, own and operate an approximately 720 MW simple-cycle natural gas-fired EGU in Linn County, Iowa; an IUC decision is expected in the first quarter of 2027.
- In July 2026, the PSCW authorized WPL to construct, own and operate the approximately 153 MW Bent Tree North wind farm.
- In August 2026, the IUC authorized IPL to add up to 125 MW of energy storage at Whispering Willow - North, increasing approved capacity from 75 MW to approximately 200 MW.
- In October 2026, the PSCW authorized WPL to construct a 2 billion cubic feet liquefied natural gas facility in Rock County, Wisconsin.
- In July 2026, IPL applied to construct up to 175 MW of energy storage at Marshalltown Generating Station; an IUC decision is expected in the fourth quarter of 2026.
- In September 2026, IPL applied to construct up to 170 MW of energy storage at English Farms; an IUC decision is expected in the first quarter of 2027.
- In March 2026, WPL filed an application with the PSCW to construct, own and install equipment to maintain and increase Riverside Energy Center capacity and efficiency; a decision is expected in the second quarter of 2027.
Impact estimates
| metric | direction | stage | expected | basis |
|---|---|---|---|---|
| cash | negative | probable | — | In July 2026, IPL applied to construct, own and operate an approximately 1,200 MW simple-cycle natural gas-fired EGU near Emery Generating… |
| assets | positive | probable | — | In July 2026, IPL applied to construct, own and operate an approximately 1,200 MW simple-cycle natural gas-fired EGU near Emery Generating… |
| cash | negative | probable | — | In April 2026, IPL applied to construct, own and operate an approximately 720 MW simple-cycle natural gas-fired EGU in Linn County, Iowa;… |
| assets | positive | probable | — | In April 2026, IPL applied to construct, own and operate an approximately 720 MW simple-cycle natural gas-fired EGU in Linn County, Iowa;… |
| cash | negative | probable | — | In July 2026, the PSCW authorized WPL to construct, own and operate the approximately 153 MW Bent Tree North wind farm. |
| assets | positive | probable | — | In July 2026, the PSCW authorized WPL to construct, own and operate the approximately 153 MW Bent Tree North wind farm. |
| cash | negative | probable | — | In August 2026, the IUC authorized IPL to add up to 125 MW of energy storage at Whispering Willow - North, increasing approved capacity… |
| assets | positive | probable | — | In August 2026, the IUC authorized IPL to add up to 125 MW of energy storage at Whispering Willow - North, increasing approved capacity… |
| cash | negative | probable | — | In October 2026, the PSCW authorized WPL to construct a 2 billion cubic feet liquefied natural gas facility in Rock County, Wisconsin. |
| assets | positive | probable | — | In October 2026, the PSCW authorized WPL to construct a 2 billion cubic feet liquefied natural gas facility in Rock County, Wisconsin. |
| cash | negative | probable | — | In July 2026, IPL applied to construct up to 175 MW of energy storage at Marshalltown Generating Station; an IUC decision is expected in… |
| assets | positive | probable | — | In July 2026, IPL applied to construct up to 175 MW of energy storage at Marshalltown Generating Station; an IUC decision is expected in… |