Walker Ridge is a 144.4MW onshore wind power project. It is planned in California, the US. The project is currently in permitting stage. It will be developed in single phase. Post completion of the construction, the project is expected to get commissioned in 2023.

Project Type Total Capacity (MW) Active Capacity (MW) Pipeline Capacity (MW) Project Status Project Location Project Developer
Onshore 144.4 144.4 Permitting California, the US AltaGas; Colusa Wind; Salka


The project is being developed by AltaGas, Colusa Wind and Salka. The project is currently owned by Algonquin Power & Utilities with a stake of 100%.

The project is expected to supply enough clean energy to power 145,000 households. The project cost is expected to be around $220.004m.

The wind power project consists of 42 turbines.

The project will have 80m high towers.

Development Status

Post completion of the construction, the project is expected to get commissioned in 2023.

Power Purchase Agreement

The power generated from the project will be sold to Pacific Gas and Electric under a power purchase agreement.

Contractors Involved

Algonquin Power & Utilities is expected to perform operations and maintenance for the wind power project.

About AltaGas

AltaGas Ltd (AltaGas) is an energy utility that carries out the extraction, transmission, distribution and storage of natural gas. It also generates electricity using diverse fuel sources, including run-of-river hydro, wind, geothermal and gas-fired generation plants. The company owns and operates utility assets that deliver natural gas to end-users in Canada and the US. AltaGas also operates NGL processing and extraction plants, transmission pipelines, natural gas gathering lines and field processing facilities to transport natural gas. The company also operates a fleet of rail cars, and truck terminals. It serves residential commercial and industrial customers. AltaGas is headquartered in Calgary, Alberta, Canada.

About Colusa Wind

Colusa Wind LLC (Colusa Wind) generates, procures, transmits, distributes, and produces power from renewable energy. It is headquartered in 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.