Longview Pumped Storage is a 2,000MW hydro power project. It is planned in Arizona, the US. The project is currently in announced stage. It will be developed in multiple phases. The project construction is likely to commence in 2027 and is expected to enter into commercial operation in 2031.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Hydropower 2,000 2,000 Announced Arizona, the US Longview Energy Exchange


The project is being developed and currently owned by Longview Energy Exchange.

Longview Pumped Storage is a pumped storage project. The hydro reservoir capacity is planned to be 21.585 million cubic meter. The total number of penstocks, pipes or long channels that carry water down from the hydroelectric reservoir to the turbines inside the actual power station, is expected to be 3 in number. The penstock diameter will be 3.81m. The project is expected to generate 35,040 GWh of electricity.

Longview Pumped Storage (Longview UR-A) consists of 3 units of pump turbines with 333MW nameplate capacity.

Longview Pumped Storage (Longview UR-B) consists of 3 units of pump turbines with 333MW nameplate capacity.

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By GlobalData

The hydro power project will consists of 6 generators each with 370 MVA nameplate capacity.

Development Status

The project construction is expected to commence from 2027. Subsequent to that it will enter into commercial operation by 2031.


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.