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Rendering of of Energy Dome’s first full-scale CO2 Battery in Ottana, Sardinia, Italy. Image: Energy Dome.

Utility Alliant Energy seeks Wisconsin regulator’s approval for long-duration CO2 Battery storage project

August 20, 2024
US utility company Alliant Energy has moved forward with a long-duration energy storage project based on carbon dioxide-based technology.
An electrical substation in Wisconsin owned by Xcel Energy

Xcel Energy targets 600MW of energy storage in Midwest US

February 7, 2024
US utility Xcel Energy has revealed energy deployment plans for the Upper Midwest region, including 3.6GW of renewables and 600MW of energy storage by 2030.
Aerial overlay of where the project will be located on Milwaulkee's North 84th Street, from plans submitted by the developer. Image: Black Mountain Energy Storage.

Black Mountain Energy Storage gets approval for 300MW/1,400MWh Wisconsin BESS project

September 28, 2023
Black Mountain Energy Storage has won approval for a battery storage project which will be the biggest in the US state of Wisconsin so far.
Artist rendering of a battery storage asset of the type to be deployed by FlexGen for Alliant Energy. Image: Alliant Energy.

Alliant Energy gets 175MW/700MWh BESS projects at Wisconsin PV plants approved

August 10, 2023
Alliant Energy’s plans to build two large-scale battery storage projects to pair with solar PV in Wisconsin have been approved by regulators.
The Koshkonong Solar Energy Centre will be operational in late 2025. Image: Invenergy

Utilities in Wisconsin MGE, WEC invest in another large-scale solar-plus-storage plant

March 22, 2023
Madison Gas and Electric has purchased a solar and battery storage plant with combined capacity of 465MW with WEC Energy Group.
edgewater generation station plant battery storage alliant

Utility Alliant Energy plans c.400MWh BESS at retiring coal plant in Wisconsin

February 2, 2023
Utility Alliant Energy will deploy a 99MW/396MWh battery energy storage system (BESS) at a coal plant which it will retire in 2025.
alliant energy wisconsin

Utility Alliant Energy plans 700MWh BESS deployments in Wisconsin

October 3, 2022
Wisconsin utility Alliant Energy has announced plans to deploy two projects totalling 175MW/700MWh of battery energy storage in the midwestern state.
wisconsin

Wisconsin regulators approve another Invenergy solar-plus-storage plant

April 12, 2022
Wisconsin’s Public Service Commission has approved Invenergy 300MW solar farm, to be paired with a 165MW battery energy storage system.
wisconsin

Wisconsin utilities to buy US$433m solar and storage project with 110MW BESS

March 18, 2022
Wisconsin investor-owned utilities Madison Gas and Electric (MGE) and WEC Energy have received regulatory approval to buy a 200MW solar and 110MW battery energy storage system (BESS) in Kenosha County.
wisconsin

Wisconsin utilities plan 250MW solar project with 75MW of battery storage

March 23, 2021
Two subsidiaries of Wisconsin-based electric and gas company WEC Energy Group have put forward plans for their second large-scale solar-plus-storage project in as many months.

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NextEra, Brightnight and Cordelio seek gen-tie permits for 550MW of Arizona solar-plus-BESS

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