Mo large-capacity energy storage power station

The Taum Sauk pumped storage plant is ain theregion of , United States about 90 miles (140 km) south ofnear , in . It is operated by . Theplant was constructed from 1960–1962 and. Ameren Missouri has filed plans to build the Big Hollow Energy Center—an 800 MW natural gas plant and its first 400
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Pumped Storage Hydropower

Pumped storage hydropower (PSH) is a type of hydroelectric energy storage. It is a configuration of two water reservoirs at different elevations that can generate power as water moves down

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Ameren Missouri''s ability to earn and utilize or transfer federal production and investment tax credits related to renewable energy projects; the cost of solar generation and

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Co-located on the site will be Ameren Missouri''s first large-scale lithium-ion battery installation. The planned 400-MW battery storage is a fast-acting asset, ready in moments to

Taum Sauk Hydroelectric Power Station

OverviewSize and locationHistoryGeneral referencesExternal links

The Taum Sauk pumped storage plant is a power station in the St. Francois mountain region of Missouri, United States about 90 miles (140 km) south of St. Louis near Lesterville, Missouri, in Reynolds County. It is operated by Ameren Missouri. The pumped-storage hydroelectric plant was constructed from 1960–1962 and

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Ameren Missouri''s ability to earn and utilize or transfer federal production and investment tax credits related to renewable energy projects; the cost of solar generation and

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The application involves the construction of an 800-megawatt (MW) simple-cycle natural gas energy center complemented by Ameren Missouri''s first large-scale battery

Ameren Missouri unveils plans to build new hybrid energy center

Ameren Missouri has filed plans to build the Big Hollow Energy Center—an 800 MW natural gas plant and its first 400 MW large-scale battery storage facility. The project will boost

Ameren plans Missouri gas plant with 400-MW battery storage

Ameren''s Missouri utility subsidiary plans to construct an 800-MW simple-cycle gas plant alongside a 400-MW battery storage facility in Jefferson County to meet rising electricity

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Ameren Missouri unveils plans to build new hybrid

Ameren Missouri has filed plans to build the Big Hollow Energy Center—an 800 MW natural gas plant and its first 400 MW large-scale battery

Missouri Utility Plans New 800-MW Gas-Fired Plant, Will Include Energy

A utility that serves customers in Missouri announced it plans to build an 800-MW natural gas-fired power plant, along with the company''s first large-scale battery energy storage...

Taum Sauk Hydroelectric Power Station

The Taum Sauk pumped storage plant is a power station in the St. Francois mountain region of Missouri, United States about 90 miles (140 km) south of St. Louis near Lesterville, Missouri,

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About Mo large-capacity energy storage power station

About Mo large-capacity energy storage power station

The Taum Sauk pumped storage plant is ain theregion of , United States about 90 miles (140 km) south ofnear , in . It is operated by . Theplant was constructed from 1960–1962 and. Ameren Missouri has filed plans to build the Big Hollow Energy Center—an 800 MW natural gas plant and its first 400 MW large-scale battery storage facility. The project will boost grid reliability, meet rising demand, and power progress in Jefferson County.

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About Mo large-capacity energy storage power station video introduction

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4 FAQs about [Mo large-capacity energy storage power station]

Will big Hollow Energy Center be Ameren's first large-scale battery facility?

The Big Hollow Energy Center will be Ameren’s first large-scale battery facility, but the utility’s long-range plans call for installing 1.8 GW of energy storage by 2042. A rendering of Ameren Missouri’s proposed Big Hollow Energy Center, which the utility says could come online in Jefferson County by 2028. Courtesy of Ameren Missouri

What is the Big Hollow Energy Center?

The application involves the construction of an 800-megawatt (MW) simple-cycle natural gas generation plant, in addition to Ameren Missouri's first large-scale battery storage facility at one location. Known as the Big Hollow Energy Center, the new facility is designed to efficiently meet increased energy demands while ensuring grid resiliency.

Does Ameren Missouri have a smart energy plan?

“Building off the success of bringing in nearly two dozen new economic development projects in 2024, Ameren Missouri has construction agreements with potential large load customers for new energy demand,” the utility said. Ameren also filed an updated Smart Energy Plan with the Missouri Public Service Commission in February.

What is Ameren Missouri doing to improve energy reliability?

ST. LOUIS, June 27, 2025 /PRNewswire/ -- Ameren Missouri, a subsidiary of Ameren Corporation (NYSE: AEE), is taking the next step in its generation investment plan to enhance energy reliability for customers by filing an application with the Missouri Public Service Commission that includes a first-of-its-kind project for the company.

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