Col. Charles D. Maynard Lock and Dam is a 156.1MW hydro power project. It is planned on Arkansas river/basin in Arkansas, the US. The project is currently in announced stage. It will be developed in single phase. The project construction is likely to commence in 2025 and is expected to enter into commercial operation in 2028.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 156.1 156.1 Announced Arkansas, the US Arkansas Electric Cooperative


The project is being developed and currently owned by Arkansas Electric Cooperative.

The project cost is expected to be around $409.202m.

The hydro power project consists of 4 turbines.

Development Status

The project construction is expected to commence from 2025. Subsequent to that it will enter into commercial operation by 2028.

About Arkansas Electric Cooperative

Arkansas Electric Cooperative Corporation (AECC) is a not-for-profit electric utility. It produces, procures and transmits electricity. The cooperative generates electricity using natural gas, oil and hydro sources. AECC also holds interests in coal-based power plants in Arkansas. Under power purchase agreements, it sources hydroelectric energy from the Southwestern Power Administration and other entities who produce electricity using wind, biomass and solar energy. The cooperative also assists its customers to preserve resources and manage energy costs; and provides energy audits and saving tips. It transmits electricity to its distribution cooperatives and third parties on wholesale basis. AECC is headquartered in Little Rock, Arkansas, the US.


All power projects included in this report are drawn from GlobalData’s Power Intelligence Center. The information regarding the project parameters is sourced through secondary information sources such as electric utilities, equipment manufacturers, developers, project proponent’s – news, deals and financial reporting, regulatory body, associations, government planning reports and publications. Wherever needed the information is further validated through primary from various stakeholders across the power value chain and professionals from leading players within the power sector.