Top Arizona Utility Goes Big On New Energy

APS’s battery addition extravaganza; Hundreds of megawatts of battery storage are coming to the desert via a request for proposals as part of APS’ initiative to add around 1 GW of clean-energy projects by mid 2025.

Tim Sylvia, April 3, 2019 (PV Magazine)

“…[Arizona Public Service (APS), the state’s dominant investor-owned utility, announced April 3] a request for proposals (RFP) to bring hundreds of MW in capacity of energy storage…[It will support a planned GW of] new and existing solar…APS will add batteries to its] Chino Valley (19 MW) and Red Rock (40 MW) solar projects…[T]he battery capacities that have been revealed at other projects all match the nameplate capacities of the projects they’re coupled to…APS anticipates both of these projects to be completed by 2021…[They represent] the final step of APS’ February announcement that the company would be developing 200 MW of battery storage to be paired with existing solar facilities…

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[In the same RFP, APS] is soliciting 500 MW of new solar + storage projects and stand-alone battery storage by 2025…[APS] is seeking developers for a solar + storage project for a 100 MW facility to be paired with a 100 MW battery…[as part of a bigger goal to add close to 1 GW of clean-energy projects by the summer of 2025…[It is likely to be mostly solar because] nuclear wouldn’t be deployed at that scale, Arizona’s geography doesn’t suit hydro or geothermal and solar is generally cheaper than wind in the state…” click here for more

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