Stem is a Millbrae, California-based developer of solutions for energy consumption through a combination of data, predictive analytics, and energy storage to reduce energy costs.

Stem is a company that has developed a distributed storage technology for optimizing energy. The company was founded by Brian Thompson in 2009, in Millbrae, California, United States.

The company analyzes how various types of businesses utilize electricity and how they are charged for its use. Stem takes this information and designs a solution to reduce costs without altering their businesses design or functions. They use a combination of technologies including big data, predictive analytics, and energy storage to deliver services to the grid.


November 2019
Stem raises a $30,000,000 series E round from WIND Ventures.
July 2018
Stem raises a $26,000,000 series D round from BNP Paribas Private Equity and Magnesium Capital.
January 2018
Stem raises a $80,000,000 series D round from Activate Capital, Ontario Teachers' Pension Plan, Temasek Holdings and Total Ventures.
January 2018
Stem raises a $80,000,000 series D round from Activate Capital, Ontario Teachers' Pension Plan, Temasek Holdings and Total Ventures.
August 2016
Stem raises a $100,000,000 private equity from Starwood Energy Group Global Llc.
May 2016
Stem raises a $15,000,000 series C round from Mithril Capital Management, Mitsui & Co. and RWE.
August 2015
Stem raises a $33,000,000 series C round.
April 2015
Stem raises a $12,000,000 series C round from Angeleno Group, Constellation Energy, GE Ventures, Iberdrola, Mitsui Global Investment and Total Carbon Neutrality Ventures.
January 2015
Stem raises a $27,000,000 series B round from Constellation Technology Ventures, Elemental Accelerator and Total Energy Ventures.
December 2, 2013
Stem raises a $15,000,000 series B round from GE Ventures and Iberdrola.
Page 1 of 2

Funding rounds

Funding round
Funding type
Funding round amount (USD)
Funding round date
Stem Series C Funding Round April 2015
April 2015
11 Results
Results per page:
Page 1 of 1



Further reading


Documentaries, videos and podcasts





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