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  • Customers
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CUSTOMERS

Public Power &
Municipal Utilities

Delivering Customer Value with Clean Energy Projects

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

Stem operates the world’s largest digitally connected energy storage network across more than 40 utility territories throughout North America and within various ISO markets. Our extensive portfolio includes the first-ever municipal energy storage virtual power plant (VPP) with Austin Energy and a 33MWh energy storage system for Orange County Sanitation District to help deliver wastewater services to 2.6 million customers. In September 2022, our Southern California fleet of 86 MW of stored energy responded to a 5-hour flex alert during heatwave-driven blackouts by delivering much-needed capacity – enough to power 103,000 homes.
Stem’s front-of-the-meter, utility-level solutions empower public power and municipal utilities to control costs by mitigating peak impacts and unlock new revenue streams such as those from wholesale markets. With Stem’s Athena platform providing a single pane of glass to manage your entire portfolio, you are positioned to maximize the value of your clean energy assets as you expand deployments across your service territory. Stem’s solutions help public power organizations accelerate carbon reduction goals by integrating renewables like solar and deliver enhanced resiliency to customers.

Athena-integrated EV-charging Infrastructure for Electrified Fleets

With energy storage poised to play a unique role as a smart integrator of EVs and distributed energy assets, Stem is well positioned to help customers navigate the transition to electrified fleets. We offer integrated services that include all aspects of eMobility planning, design, and implementation – covering vehicles, charging infrastructure, energy management, on-site energy generation, and storage. When digitally integrated to the EV charging system, Athena unlocks value in utility bill savings, GHG reductions, energy resilience, and many other ways.

Lifecycle Support & Professional Services

As part of the Inflation Reduction Act (IRA), which was signed into law in August 2022, public power and municipal utilities now have a pathway to capture direct cash payments via the Investment Tax Credit (ITC), which offers a rate as high as 50% of a storage or solar project’s cost. Instead of relying on third-party owners and PPAs to monetize these tax incentives, utilities can now own assets directly without the risk of leaving money on the table. Stem works with our utility partners to navigate optimal strategies to maximize these direct pay ITC benefits.

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.

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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

Related Solutions

Athena Smart Energy Software

Energy Storage

Solar Plus Storage

Demand Response

Microgrids, Backup Power & Voltage Support

Professional Services

Featured Resources

Solution Overview

Clean Energy Projects for Public Power & Municipal Utilities

Read the Solution Overview
Blog

How Energy Storage Helped California Reduce the Blackouts – And How It Can Help Avoid Them in the Future

Read The Blog
Article

"Its Electric Grid Under Strain, California Turns to Batteries," The New York Times

Read The Article

Let's talk.

Contact the experts at Stem and learn how to simplify your clean energy management.

Stem HQ: 100 California
St 14th Floor San
Francisco, CA 94111

For Support or Sales
inquiries, call 877-374-7836(STEM).

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Customers

  • Enterprise
  • Commercial & Industrial
  • Investor-owned Utilities
  • Public Power & Municipal Utilities
  • Electric Cooperatives
  • Project Developers
  • Solar EPCs
  • IPPs & Asset Owners
  • Federal

Solutions

  • Energy Storage
  • Solar Plus Storage
  • Wholesale Energy Markets
  • Microgrids And Backup Power
  • Utility Bill Optimization
  • Demand Response
  • Commercial EV Charging
  • Professional Services
  • Sustainability

Incentives & Programs

  • Federal Storage ITC
  • National Electric Vehicle Infrastructure Program
  • California’s Energy Storage Opportunities
  • Connecticut Energy Storage Solutions Programs
  • Hawaiian Electric's Battery Bonus Program
  • Massachusetts SMART
  • New York VDER
  • Ontario Global Adjustment

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