Nuclear startups defy climate tech slump with record funding for 2025
29 sep. 2025
07:29
Nuclear energy startups have defied the overall downturn in climate tech funding and raised more venture capital this year than ever before.
The uptick coincides with an increased private and public investment focus on energy security – a potential selling point of both nuclear fission and fusion.
We crunched the data to unveil Europe’s rising nuclear stars.
The uptick coincides with an increased private and public investment focus on energy security – a potential selling point of both nuclear fission and fusion.
We crunched the data to unveil Europe’s rising nuclear stars.
Global VC funding for climate tech is on course for its worst finish – $29 billion – since 2017, according to Dealroom data.
However, nuclear fusion and fission startups are bucking the trend. Globally, they’ve already raised $3.7 billion in 2025, overtaking 2021, the previous record year.