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  1. Market Data
August 28, 2021

McIntosh Power Plant – Compressed Air Energy Storage System, US

By Carmen

The McIntosh Power Plant – Compressed Air Energy Storage System is an 110,000kW energy storage project located in McIntosh, Alabama, US.

The electro-mechanical energy storage project uses compressed air storage as its storage technology. The project was commissioned in 1991.


The McIntosh Power Plant – Compressed Air Energy Storage System is owned by PowerSouth Energy Cooperative (100%).

The key applications of the project are electric energy time shift, electric supply reserve capacity – spinning and frequency regulation.

Contractors involved

Dresser-Rand Group and PowerSouth Energy Cooperative have delivered the energy storage project.


All publicly-announced energy storage projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects are sourced through secondary information sources such as country specific power players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.

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