CUSTOMERS
Public Power &
Municipal Utilities
Stem offers a turnkey solution that allows public power and municipal utilities to design, install, and operate clean energy projects with lower risk and greater efficiency. Through our Athena® platform and our team’s extensive knowledge and expertise, we help utilities deploy standalone energy storage, solar plus storage, and EV-charging infrastructure to maximize resilience, lower costs, and support customer carbon emission reduction goals.
Proven Success in Clean Energy Portfolios
Athena-integrated EV-charging Infrastructure for Electrified Fleets
Lifecycle Support & Professional Services
Seamless Integration with Utility Control Centers
Stem supports communications protocols like DNP3, allowing for seamless integrations with utility dispatch platforms. We have responded to more than 83,000 grid services site dispatches. By feeding event information into Stem’s optimization, Athena can optimize the dispatch of the ESS around a use case (e.g. coincident peak mitigation) while also meeting goals for solar charging, energy shifting, and other objectives. And Athena’s applications for public power and municipal utilities enable operators to schedule dispatches with a simple user interface and provide real-time operating visibility into system status and available capacity.
Unparalleled Operational Support
Stem offers full operational support through 24/7 site monitoring, alarm detection, and real-time controls, allowing us to respond to site and market conditions within seconds. We quickly diagnose and resolve both software and hardware issues to maximize availability, allowing utility operators to maintain focus on delivering cost-effective, reliable service to their communities.
Diverse and Reputable Supply Chain Vendors
Stem has the largest and most advanced suite of storage products on the market, with hardware combinations including AC- and DC-coupled solutions by top tier OEMs like Tesla, Sungrow, Powin, and SYL. Leveraging years of procurement expertise, Stem competitively sources hardware with the flexibility to find the right combination of equipment and warranties for public power projects. Stem’s experience and hardware flexibility can help manage supply chain complexities, like increasing emphasis on domestic sourcing key to capturing full value through the IRA.
World-class Clean Energy Optimization Platform
As the world’s most utilized, validated, and successful optimization software for clean energy resources, Stem’s Athena platform helps maximize performance of clean energy assets - like standalone storage, solar plus storage, and EV charging - via industry-leading forecasting, optimization, and controls.
Location: Fountain Valley, CA
Orange County Sanitation District
OC San’s energy storage system was the largest behind-the-meter system installed in North America at the time of installation in August 2019. In June 2020, Stem started operating OC San’s energy storage system through the 345MWh portfolio awarded by Electrodes LLC for a 10-year period. Ever since, Stem has seamlessly coordinated trouble-free operations between OC San and the utility using Stem’s Athena® platform.
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System Size:
4.95 MW / 32.56 MWh
Featured Resources
Solution Overview
Clean Energy Projects for Public Power & Municipal Utilities
Blog
How Energy Storage Helped California Reduce the Blackouts – And How It Can Help Avoid Them in the Future
