Arizona Public Service to seek offers on 400 MW-600 MW of capacity

Arizona Public Service on Nov. 20 announced an “all source” request for proposals (RFP) through which it will seek capacity resources to meet APS system peak load.

The RFP is tentatively scheduled to be released in March 2016. APS is seeking 400 MW-600 MW of capacity. This RFP is open to all technologies, including supply side and non-supply side resources. Proposals must demonstrate that projects can begin deliveries no later than June 1, 2020, with deliveries beginning no sooner than January 2020. The RFP process will be monitored and reviewed by a third-party independent monitor.

At a later date, APS said it will provide information related to transmission, distribution, and interconnection constraints and preferences in order to help bidders in the development of proposals submitted in this RFP. This additional information will be shared prior to the RFP release and will available online at that time at

APS, Arizona’s largest and longest-serving electricity utility, serves nearly 1.2 million customers in 11 of the state’s 15 counties. With headquarters in Phoenix, APS is the largest principal subsidiary of Pinnacle West Capital Corp. (NYSE: PNW).

About Barry Cassell 20414 Articles
Barry Cassell is Chief Analyst for GenerationHub covering coal and emission controls issues, projects and policy. He has covered the coal and power generation industry for more than 24 years, beginning in November 2011 at GenerationHub and prior to that as editor of SNL Energy’s Coal Report. He was formerly with Coal Outlook for 15 years as the publication’s editor and contributing writer, and prior to that he was editor of Coal & Synfuels Technology and associate editor of The Energy Report. He has a bachelor’s degree from Central Michigan University.