goingcritical:linglong-1China · SMR

Linglong-1

Developer: CNNC (Hainan Nuclear Power Co.)

Site: Changjiang, Hainan

Status: Under construction — target criticality 2026 (confidence: low) target

Summary:

World's first land-based commercial small modular reactor (ACP100 demonstration project)

CNNC targets commercial operation in first half of 2026; cold functional tests completed 16 Oct 2025 and non-nuclear turbine test 23 Dec 2025 — no fuel-load or criticality announcement found as of 2026-07-10

Details

DesignACP100 (Linglong One)
Capacity100 MWe

Milestone history

  1. Announced —
  2. Construction start July 13, 2021
  3. Fuel load —
  4. First criticality target 2026
  5. Grid connection —
  6. Commercial operation —

References

  1. IAEA PRIS, Linglong-1 (Hainan Changjiang SMR)
  2. WNN, Chinese SMR completes non-nuclear steam start-up test (8 Jan 2026)
  3. NEI, China's ACP100 completes cold tests