---
schema_version: "secwatch.filing_event.v1"
accession: "0001822966-25-000096"
form_type: "8-K"
ticker: "SMR"
cik: "0001822966"
company_name: "NUSCALE POWER Corp"
filed_at: "2025-05-29T23:59:59+00:00"
generated_at: "2026-05-20T06:18:53.216129+00:00"
event_type: "regulatory"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# NuScale Power receives NRC standard design approval for 77 MWe SMR uprate

## Summary
- NRC approved NuScale's uprated 250 MWt (77 MWe) SMR design, increasing power output from prior 50 MWe design.
- NuScale is the only SMR technology company with NRC design approval; this is its second approved design.
- Approval strengthens ENTRA1 Energy's ability to deploy NuScale SMR technology in ENTRA1 Energy Plants, targeting 2030.
- NRC completed review early; originally expected later in summer 2025.

## SEC filing metadata
- accession: 0001822966-25-000096
- form_type: 8-K
- ticker: SMR
- cik: 0001822966
- company_name: NUSCALE POWER Corp
- filed_at: 2025-05-29T23:59:59+00:00
- event_type: regulatory
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1822966/000182296625000096/0001822966-25-000096-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1822966/000182296625000096/smr-20250529.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001822966-25-000096
- JSON: https://secwatch.observer/filing/0001822966-25-000096.json
- Plain text: https://secwatch.observer/filing/0001822966-25-000096.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.