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Arizona electric co-op taps Stem software to manage new energy storage system

By Kelsey Misbrener | June 12, 2024

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Stem and Arizona Electric Power Cooperative (AEPCO), in partnership with Prometheus Power, announced the successful deployment of a co-located storage and solar project to help deliver clean, reliable power to its distribution co-ops and public power members.

The project for Sulphur Springs Valley Electric Co-op (SSVEC), an AEPCO member co-op, includes a 40-MWh energy storage system and an existing 20-MW photovoltaic system that will integrate Athena, Stem’s AI-driven clean energy software, to continuously operate and monitor the storage system for maximized performance on a single, unified platform. The SSVEC project is the first of three similarly sized deployments that Stem will collaborate on with Prometheus to provide Stem’s services for AEPCO’s other managing co-ops. All three projects are expected to come online by the end of the year.

“More than 900 electric co-ops across 48 states make up the largest electric utility network in the U.S. The segment is forecasted to be one of the fastest growing segments of the front-of-the-meter (FTM) market through the end of this decade and is projected to represent over 20% of all future storage deployments,” said John Carrington, CEO of Stem. “Stem’s unique combination of AI-driven software, hardware and services is enabling enhanced value and project returns at scale for co-ops and their members. We are excited to bring our proven capabilities and market experience to AEPCO and their members.”

News item from Stem

About The Author

Kelsey Misbrener

Kelsey Misbrener is currently managing editor of Solar Power World and has been reporting on policy, technology and other areas of the U.S. solar market since 2017.

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