OverviewSuggest Edit

Stem is a company developing energy storage and predictive energy software solutions. It offers Athena, a software suite that leverages big data and machine learning to optimize the timing of energy use. The company also provides a subscription model, such as automated savings, risk protection, sustainable innovation, and solar energy storage solutions.
HQSan Francisco, CA, US
Employee Ratings3.5
Overall CultureF

Latest Updates

Employees (est.) (Apr 2021)201(+6%)
Cybersecurity ratingCMore

Key People/Management at Stem

John Carrington

John Carrington

CEO and Director
Larsh Johnson

Larsh Johnson

Chief Technology Officer
Bill Bush

Bill Bush

Chief Financial Officer
Mark Triplett

Mark Triplett

Chief Operating Officer
David Erhart

David Erhart

VP Engineering
Alan Russo

Alan Russo

Chief Revenue Officer
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Stem Office Locations

Stem has offices in San Francisco and Millbrae
San Francisco, CA, US (HQ)
585 York St, San Francisco
Millbrae, CA, US
100 Rollins Rd
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Stem Financials and Metrics

Summary Metrics

Founding Date


Stem total Funding

$321.1 m

Stem latest funding size

$26 m

Time since last funding

3 years ago

Stem investors

Stem's latest funding round in July 2018 was reported to be $26 m. In total, Stem has raised $321.1 m
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Stem Operating Metrics

Stem's Customers was reported to be 300 in Jun, 2020.
Feb, 2018Sep, 2019Jun, 2020

Patent Applications (US)




Patents (US)


Trademarks (US)

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Stem Acquisitions / Subsidiaries

Company NameDateDeal Size
Constant PowerDecember 12, 2018

Stem Cybersecurity Score

Cybersecurity ratingPremium dataset



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Stem Online and Social Media Presence

Embed Graph

Stem Company Culture

  • Overall Culture



  • CEO Rating



  • Compensation



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Stem Blogs

The Next Leg of Our Journey: Stem Debuts on the NYSE

Reflections on an important milestone After many years of hard work by the entire Stem team, I am thrilled to report that today we became the first public pure play smart energy storage company, listed as “STEM” on the New York Stock Exchange. Our timing could not be better. Stem has accomplished th…
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Stem Frequently Asked Questions

  • When was Stem founded?

    Stem was founded in 2009.

  • Who are Stem key executives?

    Stem's key executives are John Carrington, Larsh Johnson and Bill Bush.

  • How many employees does Stem have?

    Stem has 201 employees.

  • Who are Stem competitors?

    Competitors of Stem include Advanced Microgrid Solutions, Sunverge Energy and EnerVault.

  • Where is Stem headquarters?

    Stem headquarters is located at 585 York St, San Francisco, San Francisco.

  • Where are Stem offices?

    Stem has offices in San Francisco and Millbrae.

  • How many offices does Stem have?

    Stem has 2 offices.