Stem Inc grows revenue 39% in Q2, reduces EBITDA loss

LinkedIn
Twitter
Reddit
Facebook
Email

Energy storage system and services firm Stem Inc grew revenues to US$93 million in the second quarter of 2023, and reduced its EBITDA loss by 15% to US$8.5 milllion.

The California-based company grew revenues 39% year-on-year while nearly doubling (+88%) its contracted backlog to US$1.36 billion worth of revenues, after bookings of US$236.4 million (+5%).

Stem Inc increased its GAAP gross margin and non-GAAP gross margin by a single percentage point each to 13% an 18% respectively (year-on-year), while narrowing its EBITDA loss from US$11.5 million in Q2 2022 to US$8.5 million in the most recent.

Stem Inc deploys battery energy storage system (BESS) projects while also managing renewable energy plants with its AI-powered Athena software. It is mainly known for behind-the-meter (BTM) commercial and industrial (C&I) projects but has expanded into front-of-the-meter (FTM) too.

This article requires Premium SubscriptionBasic (FREE) Subscription

Try Premium for just $1

  • Full premium access for the first month at only $1
  • Converts to an annual rate after 30 days unless cancelled
  • Cancel anytime during the trial period

Premium Benefits

  • Expert industry analysis and interviews
  • Digital access to PV Tech Power journal
  • Exclusive event discounts

Or get the full Premium subscription right away

Or continue reading this article for free

Assets under management (AUM) for the software platform grew to 3.8GWh of energy storage and 26GW of solar, up 9% and 2% respectively quarter-on-quarter, though the solar GW number is down 20% year-on-year (from 32.1GW).

The company said it will post positive EBITDA during 2023. For the full year, it reaffirmed its guidance of revenues of US$550-650 million, an adjusted EBITDA loss of US$5-35 million and bookings of US$1.4-1.6 billion.

Highlights included a 313MWh BESS order from energy solutions provider Ameresco, which Ameresco announced a month ago but didn’t reveal the technology provider. On the services side, Stem won a contract to optimise Hungary’s largest solar power plant, a 304MW system in MezÅ‘csát, covered by our sister site PV Tech.

The company is one of several energy storage firms to have listed through special purpose acquisition company (SPAC) transactions in the last few years, securing an NYSE listing in April 2021. Others to have done the same include zinc battery manufacturer Eos, iron flow battery company ESS Inc and Energy Vault, the company which is known for gravity energy storage but has since expanded to other technologies.

20 April 2027
Renaissance Dallas at Plano Legacy West Hotel, Dallas, Texas, Dallas
Policy, Procurement and Power Demand: Defining the Next Chapter for Energy Storage. Two days in Dallas where developers, IPPs, investors, utilities and the manufacturers building the technology come to close deals, not swap business cards. If you need to be in the room with the people deploying capital into US storage, this is that room.

Read Next

November 11, 2026
RelyEZ has listed on the Main Board of The Stock Exchange of Hong Kong Limited, becoming the latest Chinese energy storage system solution provider to list in Hong Kong.
Premium
November 10, 2026
The energy storage industry is abuzz with discussion of passing BAAJA following Democrats’ taking of the House and Senate in the 2026 US midterm elections.
November 9, 2026
A new report prepared by The Brattle Group for The Pew Charitable Trusts finds that removing barriers to distributed energy resources (DERs) could avoid an estimated US$614 billion in US power system costs through 2050.
November 9, 2026
Derrick Flakoll, senior policy associate for North America at BloombergNEF, has offered a more measured take on how the Democrats’ midterm victories could affect the battery energy storage system (BESS) sector.
November 6, 2026
Renewables developer D. E. Shaw Renewable Investments (DESRI) and Ford Motor Company’s energy storage subsidiary, Ford Energy, will partner to deploy energy storage in the US.