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december 23, 2016​
aps concludes 2016 all source solicitation 
PHOENIX – Arizona Public Service (APS) has completed its 2016 “all source” request for proposals (RFP) seeking capacity resources. The company signed an agreement with Arlington Valley, LLC, a wholly owned subsidiary of Star West Generation, LLC, to contract for 565 megawatts of capacity from the Arlington Valley combined cycle power plant beginning June 1, 2020 for a total of six years.
APS also will conduct RFPs to meet future summer season peak capacity needs for 2021 and beyond with an RFP issued as early as 2017.
APS serves about 2.7 million people in 11 of Arizona’s 15 counties, and is the Southwest’s foremost producer of clean safe and reliable electricity. Using a balanced energy mix that is nearly 50 percent carbon-free, APS has one of the country’s most substantial renewable energy portfolios, and owns and operates the Palo Verde Nuclear Generating Station, the country’s top power producer and largest producer of carbon-free energy. The company is also a proven leader in introducing technology and services that offer customers choice and control over their energy consumption. With headquarters in Phoenix, APS is the principal subsidiary of Pinnacle West Capital Corp. (NYSE: PNW).