About Stem

Stem provides solutions that address the challenges of today’s dynamic energy market. By combining advanced energy storage solutions with Athena™, a world-class artificial intelligence (AI)-powered analytics platform, Stem enables customers and partners to optimize energy use by automatically switching between battery power, onsite generation and grid power. Stem’s solutions help enterprise customers benefit from a clean, adaptive energy infrastructure and achieve a wide variety of goals, including expense reduction, resilience, sustainability, environmental and corporate responsibility and innovation. Stem also offers full support for solar partners interested in adding storage to standalone, community or commercial solar projects – both behind and in front of the meter.

Our Mission

Stem builds and operates the largest digitally connected energy storage network for our customers. Our world class AI platform optimizes the value of our customers’ energy assets and facilitates their participation in energy markets, yielding economic and resiliency benefits while accelerating renewable adoption.

Our Values

Stem has pioneered an intelligent approach to energy management and technology services. Our innovative team leads the industry in developing and deploying artificial intelligence (AI)-powered energy storage that controls energy costs, while enhancing sustainability and resilience.

  • Diversity > attract and retain diverse talent
  • Inclusion > everybody welcome, always
  • Integrity > in everything we do
  • One Team > success through collaboration
  • Innovation > deliver the most compelling solutions
  • Customer Centricity > enable customer value
  • Execution > exceed commitments

Stem by the numbers

Stem operates the world’s largest energy storage network.

600+ MWh

Across 900+ Sites Operating Or Contracted




Fortune 500 Customers

16+ million

System Runtime Hours


Grid Service Dispatches


Market Dispatches


Utility Partners


Permitting Jurisdictions Across 260+ Cities

Who We Are

Stem’s culture embodies diversity & inclusion beyond the traditional facets of gender, ethnicity, age, disabilities, and sexual orientation to include experience, personality, communication, workstyles, and more. At our core, Stem is at the momentous intersection of clean energy and software technology where diverse ideas, experiences, and professional skills converge to make the inclusive culture we have today. Together, we are turning old school thoughts about software and energy into progressive, collaborative, and innovate solutions. By joining our team, you will be collaborating with data scientists, energy experts, skilled salespeople, thought-leading executives and more from a range of backgrounds. This intersection of ideas, beliefs, and skills is what makes us unique enough to lead the world’s largest network of digitally connected energy storage systems.