logo

Energy Dome CO2 Battery Project with Alliant Energy in Wisconsin, US

Under construction · Wisconsin · Last reported Jan 2026

Source: Energy-Storage.News

Project
Under Construction

Energy Dome's CO2 Battery project with utility Alliant Energy in Wisconsin, US, has received rate-basing approval from the state's Public Utilities Commission. Energy Dome has ordered long lead items and is fabricating components, targeting commercial operation in late 2027 to early 2028. Alliant Energy is building the project under an equipment sale contract business model.

Status
Under Construction
Sector
Energy Storage, Commercial, Power Transmission, Power Generation (CCGT)
Location
Wisconsin, United States of America
Updated
22 Jul 2026
Source
Energy-Storage.News

ConstructChat

Ask ConstructChat about Energy Dome CO2 Battery Project with Alliant Energy in Wisconsin, US

Pick a question to edit it, or write your own.

First answer free · no account

I am a

Project Information FAQ

Project Information

3 Q
The project “Energy Dome CO2 Battery Project with Alliant Energy in Wisconsin, US” is an infrastructure initiative in the Energy Storage sector, located in Wisconsin, United States. Taiyo aggregates data on it from Energy-Storage.News.

Participants

Not available for this record.

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

Energy Dome's CO2 Battery project with utility Alliant Energy in Wisconsin, US, has received rate-basing approval from the state's Public Utilities Commission. Energy Dome has ordered long lead items and is fabricating components, targeting commercial operation in late 2027 to early 2028. Alliant Energy is building the project under an equipment sale contract business model.

Original sector

Energy Storage

Location

Country

United States of America (USA)

State

Wisconsin

Source

Source

Energy-Storage.News

URL

More Details

Record type

Project

Sector

Energy Storage, Commercial, Power Transmission, Power Generation (CCGT)

Article published date

2026-07-18

More on this project

Research

Free account

View all details

You are reading the public part. A free account opens the rest:

  • Every detail on this project
  • News and media coverage
  • Technical research
View all details

Free account · no card · lands you back on this project