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Wire · technology

Deep Fission rises after DoE approves safety design of underground SMR

6 August 2026 · By · Wire by Fusion42

Published

6 August 2026

Topic

technology

◆ Sectors

Climate Tech

◆ Geography

United States

◆ Source

Read at seekingalpha.com →

◆ Verified

Fusion42 · 30 August 2026 · Fusion42 review

The U.S. Department of Energy has approved the Nuclear Safety Design Agreement for Deep Fission's Gravity underground small modular reactor, advancing its reactor design development.

This Wire brief sits within Fusion42's coverage of Climate Tech, and 3 sources have reported it between 6 Aug 2026 and 7 Aug 2026.

◆ ◆ The Wire takeaway

Nuclear startups working on small modular reactors can now pitch safer underground designs backed by US government approval. You have a clearer path to government and private sector trust by securing early regulatory endorsements.

◆ Coverage

3 sources · first reported 6 Aug 2026 · latest 7 Aug 2026

◆ Related on Wire

◆ Topics

Climate Technuclearsmall-modular-reactordepartment-of-energysafety-approval