TechCrunch·Apr 29, 2026

💡Fission Startups Eye Revenue in a Decade

Fusion's not ready, but fission startups are banking on the future

TL;DR

While fusion remains years away, fission startups aim to generate revenue soon. Zap Energy expects to start earning from federal programs and reserved capacity within a year.

Zap Energy is betting on small modular reactors (SMRs) to bring in revenue faster than its competitors. The company plans to leverage federal funding and milestone payments similar to ASML’s model with Intel, aiming for early earnings by 2024. This approach could provide much-needed capital for further development while other fusion companies wait decades for their tech to mature.

Fission Startups Eye Revenue in a Decade

Key Points

1

Fusion power plants won't be operational until the late 2030s, according to industry projections.

2

Zap Energy's fission reactor is based on Toshiba’s 4S molten salt-cooled design, developed with Japan’s power research institute.

3

Revenue streams for Zap Energy include federal programs and reserved production capacity agreements.

4

X-energy recently raised $1 billion through an upsized IPO, highlighting the growing interest in nuclear startups.

5

Developing a second reactor concept is not twice as expensive but still carries significant costs.

Why It Matters

Zap Energy’s approach to early revenue generation could accelerate development timelines for fission reactors. This strategy benefits companies looking to capitalize on federal funding and milestone payments, similar to ASML's model with Intel. For nuclear startups, securing early revenue can provide critical capital for further research and regulatory compliance.

fissionfusionZap EnergySMRsrevenue-generation

Frequently Asked Questions

Why does this matter?

Zap Energy’s approach to early revenue generation could accelerate development timelines for fission reactors. This strategy benefits companies looking to capitalize on federal funding and milestone payments, similar to ASML's model with Intel. For nuclear startups, securing early revenue can provide critical capital for further research and regulatory compliance.

What happened?

While fusion remains years away, fission startups aim to generate revenue soon. Zap Energy expects to start earning from federal programs and reserved capacity within a year.

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