Every step taken by small modular reactors, microreactors and other advanced designs: licences, sites, contracts, funding, tests and construction.

1. 30 Oct 2026Xe-100 at Long MottNRC completes safety review, issues FSERX-energy, NRC
2. 29 Oct 2026NuScale Power Module upper reactor coolant systemSigns contract to manufacture reactor coolant systemNuScale Power, Doosan Enerbility · Korea
3. 29 Oct 2026Kaleidos microreactor at INLDOE approves Kaleidos documented safety analysisRadiant, DOE, Idaho National Laboratory · United States
4. 27 Oct 2026Antares Mark-1 TRISO fuel supplySigns multi-year TRISO fuel agreementBWXT Advanced Fuels, Antares Nuclear · United States
5. 26 Oct 2026SpaceNukes kilopower reactorDARPA awards design, build and ground testSpaceNukes, DARPA, Los Alamos National Laboratory
6. 26 Oct 2026RITM-200 on Chukotka icebreakerStarboard RITM-200 reaches minimum controlled powerBaltic Shipyard, United Shipbuilding Corporation · Russia · 175 MW thermal each
7. 22 Oct 2026Kaleidos at Naval Weapons Station CraneNavy selects Kaleidos for deployment at CraneUS Navy, Radiant · United States · 1 MW
8. 19 Oct 2026Xe-100 at Breed Generating StationJoint development agreement signed for 960 MW projectAEP, X-energy, Amazon · United States · 960 MW
9. 19 Oct 2026FPU-100 floating nuclear units at HalmaheraSigns deal to deploy two FPU-100 unitsRosatom, PT Pembangkit Listrik Nuklir · Indonesia · 200 MW
10. 15 Oct 2026Molten Chloride Reactor ExperimentDOE approves cost-shared funding for final stageUS Department of Energy, Southern Company, Idaho National Laboratory, Core Power · United States
11. 15 Oct 2026BWRX-300 at PątnówJoint venture agreed to develop BWRX-300 plantSGE, ZE PAK · Poland · 1,800 MWe
12. 15 Oct 2026FASTER MOX fuel testing centreOpens EUR10 million MOX fuel testing centreNewcleo · France · EUR10 million
13. 15 Oct 2026Norrsundet reactor parkBoard presents proposed site plan for Norrsundet parkBlykalla, County Administrative Board of Gävleborg, Gävle Municipality · Sweden · 330 MW
14. 14 Oct 2026KP-FHROpens automated fuel pebble inspection facilityKairos Power · United States
15. 14 Oct 2026ACP100 at ChangjiangHot functional testing under wayChina National Nuclear Corporation · China · 125 MWe
16. 13 Oct 2026Rolls-Royce SMR at TemelínEIA submitted to ministry for Temelín SMRČEZ, Rolls-Royce SMR, Czech Ministry of the Environment · Czech Republic · 470 MWe
17. 8 Oct 2026PWR-5 pilot at Texas A&M-RELLISDOE approves Documented Safety Analysis for PWR-5 pilotUS Department of Energy, Last Energy, Texas A&M University System · United States
18. 7 Oct 2026BANR at BelleduneBANR selected for two-unit Belledune TNPPBWXT, Prodigy Clean Energy, Pabineau First Nation, Eel River Bar First Nation · Canada · 50 MWe
19. 7 Oct 2026Tam Fortis microreactorWins voucher to validate microreactor modelsTam Fortis Solutions, Argonne, DOE GAIN · US
20. 7 Oct 2026Unity microreactor at DOMESelected for DOME test campaign; reaches initial criticalityDeployable Energy, DOE, NRIC, INL · United States · 1 MWe
21. 7 Oct 2026BREST-OD-300Installs two separator-superheaters in turbine hallRosatom · Russia · 300 MWe
22. 5 Oct 2026Project BeehiveFiles BLM lease application for 456-reactor campusValar Atomics, Bureau of Land Management · United States · 9.6 GW
23. 5 Oct 2026PRECURSORMain vessel and turbine installednew cleo, ENEA · Italy · 10 MWt
24. 30 Sep 2026SMR-300 at PalisadesPSAR submitted to NRCHoltec International, NRC · United States · 680 MWe
25. 29 Sep 2026Clinch River SMRNRC approves construction permitTVA, NRC, GE Vernova Hitachi · United States · 300 MW
26. 16 Sep 2026eVinci microreactorCriticality test reaches 663 CWestinghouse Electric Company, DOE Office of Nuclear Energy, Los Alamos National Laboratory, Idaho National Laboratory, Nevada National Security Site · United States · 5 MWe