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YC Energy Companies

54 Y Combinator energy startups with verified founder contacts, batch info, and company data.

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Active

Acquired

Public

YC Company Directory

50 companies

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Company	Batch	Description	Status	Location	Team	Site	Founders	Reveal
Apollo Atomics, Inc.	X26	We make the most compact nuclear reactors	Active	Boston, MA, USA	—		Assil Halimi, Drew Walker	Reveal
Madrone	X26	Hyper-efficient coolers for data centers	Active	San Francisco, CA, USA	2		Akshay Trikha, Erik Meike	Reveal
NODI Energy	X25	Distributed energy infrastructure unlocking grid power to data centers	Active	London, England, United Kingdom	2		Borong Hu	Reveal
Condor Energy	W26	Software for enterprise energy procurement.	Active	Paris, Île-de-France, France	3		Jean Costa de Beauregard, Clément Grivel, Florian Pérocheau	Reveal
CO Condor Energy	W26	Energy system enabling reliable, cheap and sustainable electricity…	Active	—	3	—	Jean Costa de Beauregard, Clément Grivel, Florian Pérocheau	Reveal
Inviscid AI	W26	Real-time Physics Simulations for Industrial Facilities & Data Centers	Active	Singapore, Singapore; Remote	2		Kabir Jain, Ziming Qiu	Reveal
RoboDock	W26	Robots that run autonomous depots for autonomous fleets.	Active	San Francisco, CA, USA	4		Zinny Weli, Celine Wang	Reveal
RoboDock	W26	Robots that run autonomous depots for autonomous fleets.	Active	San Francisco, CA, USA	2		Celine Wang, Zinny Weli	Reveal
Squid	W26	AI agents for power grid planning 🦑	Active	London, England, United Kingdom	3		Conor Jones, George Kolokotronis	Reveal
Terranox AI	W26	The first AI-powered uranium discovery company	Active	San Francisco, CA, USA	2		Jade Checlair, Leeav Lipton	Reveal
Voxel Energy	W26	Energy independent data centers with solar and repurposed batteries.	Active	—	3		Casey Spencer, Max Pfeiffer, Evan Schmidt	Reveal
Astro	W25	The world’s first AI energy developer	Active	—	1		Alex Fuster	Reveal
Dartboard Energy	W25	AI Analyst for Electricity Markets	Active	San Francisco, CA, USA	2		Rohun Ati	Reveal
Maritime Fusion	W25	Fusion reactors for ships	Active	San Francisco, CA, USA	6		Justin Cohen, Jason Kaufmann	Reveal
Vista Power	W24	Batteries and solar for $0 upfront to help businesses save money	Active	San Francisco, CA, USA	3		Maxim Kraft, Chaitanya Kore	Reveal
Keeling Labs	W23	We develop ML that optimizes how batteries in the grid store energy	Active	Los Angeles, CA, USA	3		Jack O'Grady	Reveal
KorrAI	W22	Traceable AI for billion-dollar infrastructure.	Active	Toronto, ON, Canada	24		Rahul Anand, Rob McEwan	Reveal
Phoenix Hydrogen	W22	First commodity marketplace for hydrogen.	Inactive	Berkeley, CA, USA	2		Shawn Drost, Terence Vomocil	Reveal
Aurabeat	W21	Providing clean, safe, virus free air for homes, buildings and cars	Active	Hong Kong	12		Phil Yuen, Roger Sze To	Reveal
Aurabeat	W21	Providing clean, safe, virus free air for homes, buildings and cars	Active	Hong Kong, Hong Kong	12		Phil Yuen, Roger Sze To	Reveal
Enode	W21	An API for electric vehicles and other energy hardware (DERs)	Active	Oslo, Norway	40		Henrik Langeland, Nikolai Heum, Thorvald Thorsnes	Reveal
Enode	W21	Energy Orchestration Platform	Active	Oslo, Oslo, Norway; Remote	70		Henrik Langeland, Nikolai Heum, Thorvald Thorsnes	Reveal
Gridware	W21	Protecting the grid today, preparing the grid for tomorrow	Active	San Francisco, CA, USA	125		Tim Barat, Omar B, Hall Chen, Abdulrahman Bin Omar	Reveal
Gridware	W21	Protecting the grid today, preparing the grid for tomorrow	Active	San Francisco, CA, USA	125		Tim Barat, Omar B, Hall Chen	Reveal
inBalance	W21	Electricity price forecasts for energy storage, ev charging, etc.	Acquired	San Francisco, CA, USA; Cambridge, MA, USA; Remote	10		Thomas Marge	Reveal
Moxion Power Co.	W21	Mobile Energy Storage Technology	Inactive	San Francisco, CA, USA; Richmond, CA, USA	380		Paul Huelskamp, Alexander Meek, Alex Meek	Reveal
SINAI	W20	Enterprise software to quantify cost-effective decarbonization…	Active	San Francisco, CA, USA	50		Maria Fujihara, Alain Rodriguez	Reveal
SINAI	W20	Enterprise software to quantify cost-effective decarbonization…	Active	San Francisco, CA, USA	50		Maria Fujihara, Alain Rodriguez	Reveal
Prometheus	W19	We use solar and wind power to make zero net carbon electrofuels	Active	Santa Cruz, CA, USA	25		Rob McGinnis	Reveal
Nuvola	W17	Nuvola is transforming battery manufacturing, making EV batteries…	Active	Los Angeles, CA, USA	4		Janet Hur, Leland Smith	Reveal
MineralSoft	W16	Data management platform for oil & gas assets	Acquired	Austin, TX, USA	35		Jon Parker, Gabe Wilcox	Reveal
Bright	W15	Sunrun for the developing world	Active	New York City, NY, USA; Mexico City, CDMX, Mexico; Remote	100		Jonah Greenberger	Reveal
Marengo	S26	AI-Native Engineering Firm designing Data Centers	Active	San Francisco, CA, USA	5		Emil Ares, Gad Marconi	Reveal
Ionworks	S24	Simulation software used by leading battery and automotive companies	Active	Remote	5		Valentin Sulzer, Rob Timms, Robert Timms	Reveal
Rewbi	S24	Rewbi uses AI to increase grid-connected battery storage revenue 2x	Active	—	2		Thomas Marge, Derek Modzelewski	Reveal
Rewbi	S24	A stealth mode startup.	Active	San Francisco, CA, USA	3		Thomas Marge, Derek Modzelewski	Reveal
Nectar	S23	Manage energy cost & usage with AI for facility & sustainability teams	Active	San Francisco, CA, USA	7		Allen Wang, Katherine He, Derrick Barker	Reveal
Evoly	S22	Smart electric & water meters as a service	Active	Remote, OR 97458, USA	4		Hassan Lantry, Sami El Bouari	Reveal
MaverickX	S22	Engineering the future of chemistry for natural resource extraction	Active	Austin, TX, USA	30		Eric Herrera	Reveal
MaverickX	S22	Engineering the future of chemistry for natural resource extraction	Active	San Antonio, TX, USA	20		Eric Herrera	Reveal
Ferveret	S21	Nuclear-inspired cooling that turns wasted power into more AI compute	Active	San Francisco, CA, USA	16		Reza Azizian, Matteo Bucci	Reveal
HeyCharge	S21	Low-cost, high-scale EV charging platform for apartments (and more).	Active	Munich, BY, Germany	17		Chris Carde, Robert Lasowski, Chris Cardé	Reveal
Kapacity.io	S21	Reducing energy costs & emissions in buildings.	Acquired	Helsinki, Finland	7		Jaakko Rauhala, Rami El Geneidy, Sonja Salo	Reveal
Statiq.	S20	India's Largest EV charging network	Active	Gurugram, HR, India; Bengaluru, KA, India	200		Akshit Bansal, Raghav Arora	Reveal
Zitara Technologies, Inc.	S20	Predictive battery management software for electrified fleets	Active	San Francisco, CA, USA	33		Shyam Srinivasan, Evan Murphy	Reveal
Kitekraft	S19	Building flying wind turbines.	Active	Munich, Germany	6		Maximilian Isensee, Christoph Drexler, André Frirdich, Florian Stappenbeck (Bauer)	Reveal
Kitekraft	S19	Building flying wind turbines.	Active	Munich, BY, Germany	6		Maximilian Isensee, Christoph Drexler, André Frirdich, Florian Stappenbeck (Bauer)	Reveal
Validere	S16	A carbon MRV solution for energy and hard-to-abate sectors	Active	Toronto, ON, Canada	110		Nouman Ahmad, Ian Burgess	Reveal
Zephyr Fusion	F25	Powering tomorrow's industrial revolution in space	Active	San Diego, CA, USA	2		Edward Hinson, Galen Burke	Reveal
Zephyr Fusion	F25	Powering tomorrow's industrial revolution in space	Active	San Diego, CA, USA	2		Edward Hinson, Galen Burke	Reveal

Batch Distribution

XX262 XX251 WW268 WW253 WW241 WW231

Status Breakdown

Active47 Acquired4 Inactive2 Public1

Top Locations

San Francisco20 Munich3 London2 San Diego2 Remote2 Los Angeles2

About YC Energy Companies

Y Combinator has funded 54 energy companies since its founding in 2005. These startups span from early-stage pre-launch to publicly traded companies, making YC one of the most prolific backers of energy innovation globally.

47 of these companies are currently active. 4 have been acquired. 1 have gone public. VCBacked tracks verified founder contact information, team sizes, and company status for every YC energy startup.

Related Industries

B2B3278 Healthcare805 Fintech709 Consumer654 Engineering, Product and Design610 Industrials489 Infrastructure303 Productivity208

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