ACCIONA teams up with Tenaska to develop 3 GW of solar PV and 1 GW of energy storage

ACCIONA this week announced that it signed an agreement with energy developer Tenaska to acquire a portfolio of greenfield photovoltaic (PV) solar and energy storage projects in the U.S. The development portfolio comprises approximately 3,000 megawatts (MW) of utility-scale solar and 1,000 MW of co-located solar and energy storage.

The transaction includes 20 solar projects in the PJM Interconnection and Southwest Power Pool (SPP) markets and a solar and storage development pipeline in seven states, including Pennsylvania, Ohio, Kentucky, Illinois, Missouri, Kansas and Oklahoma.

Tenaska — through Tenaska Solar Ventures, the company’s solar development services business — will work with ACCIONA to complete development of the projects.

ACCIONA envisions commissioning eight projects by the end of 2023, adding around 1,500 MW of peak capacity (some 1,200 MW rated capacity) to its North American renewable energy portfolio.

The agreement with Tenaska adds to ACCIONA’s North American portfolio, which includes 1,245 MW of wind power installed and under construction.  ACCIONA also owns and operates the 64-MW Nevada Solar One concentrated solar plant outside of Las Vegas. 

The addition of a 1,000-MW energy storage development portfolio allows ACCIONA to offer cutting-edge technologies and services to these important U.S. markets. Analysts expect energy storage to experience exponential growth in the U.S. in coming years. 

Globally, ACCIONA operates almost 10,000 MW of renewable capacity under its ownership spread across 16 countries and five continents.

Tenaska has developed approximately 10,500 MW of natural gas-fueled and renewables power projects. Tenaska Solar Ventures provides development services to approximately 40 projects in 11 states, totaling roughly 6,000 MW of renewable solar capacity.

Lead image: A photograph of Nevada Solar One (right), and Copper Mountain Solar 1 (left): taken from a commercial jetliner in Fall 2011. Credit: Michael Adams.

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  • Rod Walton is content director for Power Engineering, POWERGEN International and the online POWERGEN+ series. He is a 13-year veteran of covering the energy industry both as a newspaper journalist and trade publication editor. He can be reached at 918-831-9177 and

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