Global sector rankings · Energy & climate
The world’s most valuable energy & climate startups, segment by segment
Each segment ranks non-listed startups worldwide against their direct competitors, by AI-estimated valuation. The market sets the value; our AI estimates it.
One company, one segment. Each company is ranked in the segment of its main activity only, against its direct competitors. There is no ranking across segments. Method
Energy & climate at a glance
1segment published
45companies ranked
9countries in the rankings
12unicorns and above
Counts cover published segments only. Each company appears in one segment. Intention counters will be shown above a threshold of amount and number of Backers.
Energy & climate segments
1 of 11 published · the others open edition by edition.Generation 1 of 4 published
Coming soon
Solar
Coming soon
Wind
Coming soon
45 rankedHydrogen
Fusion & advanced nuclear
#1: Helion Energy · Decacorn
Grid & storage 0 of 2 published
Coming soon
Stationary storage
Coming soon
Smart grids
Carbon 0 of 3 published
Coming soon
Carbon capture
Coming soon
Carbon accounting & ESG
Coming soon
Carbon credits
Resources 0 of 2 published
Coming soon
Recycling
Coming soon
Water
Decacorns and unicorns in the energy & climate rankings
Grouped by valuation range, in alphabetical order. Each company is ranked only within its own segment.Decacorns · estimated between $10B and $100B 2
Unicorns · estimated between $1B and $10B 10
Antares · Fusion & advanced nuclearFocused Energy · Fusion & advanced nuclearInertia Enterprises · Fusion & advanced nuclearPacific Fusion · Fusion & advanced nuclearProxima Fusion · Fusion & advanced nuclearRadiant Industries · Fusion & advanced nuclearSHINE Technologies · Fusion & advanced nuclearTAE Technologies · Fusion & advanced nuclearTerraPower · Fusion & advanced nuclearValar Atomics · Fusion & advanced nuclear