Top Exergy3 Alternatives
Ultra-high temperature thermal energy storage solutions for industrial decarbonisation.
20 Similar Companies in Cleantech
Ranked by total score and funding data on StartupHub.ai


Tesla
Designs, manufactures, and sells electric vehicles, battery energy storage, and solar energy products.


Group14 Technologies
Manufacturing advanced silicon-carbon composite anode materials for lithium-ion batteries.


SolarEdge
SolarEdge is a global leader in smart energy technology, providing solar inverters, power optimizers, and energy storage systems for residential and commercial installations.
Northvolt
A European battery manufacturer aiming to produce sustainable, high-quality lithium-ion batteries.
BYD
Global manufacturer of electric vehicles and batteries, known for its Blade Battery technology.


Form Energy
Form Energy develops and manufactures long-duration, grid-scale iron-air batteries for cost-effective renewable energy storage.


Octopus Energy
Global clean energy tech company using proprietary software to provide affordable, renewable energy solutions.


ArtIn Energy
Energy technology company focused on innovative solutions.
PVcase
PVcase is a software company that helps solar professionals design and sell solar projects faster.
GridBeyond
Intelligent AI-powered energy management platform for balancing grid supply and demand for cleaner energy.
Overview Energy
Developing space-based solar power technology.
Landis+Gyr
Global provider of integrated energy management solutions for utilities, focusing on smart metering and grid intelligence.


Ameresco
Leading energy efficiency and renewable energy solutions provider.


Nikola
Electric and hydrogen-electric vehicle developer.
ReNew
Leading renewable energy company providing decarbonization solutions and expanding its Commercial & Industrial platform.


Lucy Group
Global organisation dedicated to making the built environment sustainable through its electric, controls, and real estate divisions.


Fervo Energy
Developing next-generation geothermal energy projects.


Ascend Elements
Developing the EU's first fully integrated battery materials refining center.
NOC Energy
Hybridizing heavy industry with fossil fuels and electricity.


Barrell
Direct Lithium Extraction company focused on the Smackover Lithium Play.
About Exergy3 and Alternatives
Exergy3 is a Cleantech company ultra-high temperature thermal energy storage solutions for industrial decarbonisation.. If you're evaluating Cleantech solutions, these 20 alternatives offer similar capabilities and market positioning. StartupHub.ai tracks funding, team composition, and competitive positioning across 11,000+ AI startups to help you make informed decisions. Browse each profile to compare founders, investors, and funding history.
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