NuScale Power, listed on the New York Stock Exchange, designs the NuScale Power Module, a 77-megawatt light water reactor module that can be grouped into larger plants. The US NRC granted standard design approval for the 77-megawatt design in May 2025, and NuScale's partner ENTRA1 has a non-binding agreement with TVA for up to 6 gigawatts of NuScale capacity.
At a glance
| Price from | Custom |
| Best for | Utilities and large energy users planning multi-module plants |
From NuScale Power's own website.
What stands out
- First SMR design approved by the US NRC
- Modules can be grouped to scale output
Worth knowing
- No plant under construction yet
- TVA agreement not yet binding
How it ranks
NuScale Power is ranked 2nd of 10 in Best Small Modular Reactor Companies (Lister Score 95.9).
#2 in Best Small Modular Reactor Companies · Lister Score 95.9
NuScale's 77-megawatt design received US NRC standard design approval in May 2025..
| Rank | Best Small Modular Reactor Companies | Score |
|---|---|---|
| 1 | GE Vernova Hitachi Nuclear Energy | 97.2 |
| 2 | NuScale Power | 95.9 |
| 3 | TerraPower | 94.8 |
| 4 | Rolls-Royce SMR | 93.6 |
| 5 | Kairos Power | 92.3 |
| 6 | X-energy | 91.0 |
| 7 | Holtec International | 89.7 |
| 8 | Oklo | 88.3 |
| 9 | Westinghouse | 86.9 |
| 10 | Aalo Atomics | 85.4 |
Frequently asked questions
How does NuScale Power rank on Lister?
NuScale Power is ranked 2nd of 10 in Best Small Modular Reactor Companies (Lister Score 95.9).
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