SMR developments: October 2026
8 recorded developments dated October 2026: 6 project developments, 2 announcements. October 2026 is not over; entries dated later this month appear when they are recorded.
Entries are placed by their recorded date, not by when SMRMap added them. Entries dated only to a quarter or year are not assigned to a month. Each entry is dated when the development happened unless its label says otherwise, such as “Announced” or “Report dated”. A date recorded only to a month, quarter or year is shown that way. Targets are plans, not achievements or commitments.
Recorded developments
· Regulatory step
ČEZ submits EIA documentation for the Temelín Rolls-Royce SMR #
ČEZ submitted EIA documentation for the Temelín Rolls-Royce SMR to the Ministry of the Environment.
Checking notes
ČEZ submits EIA documentation for the Temelín Rolls-Royce SMR to the Ministry of the Environment.
Letter dated · Regulatory step
Duke files Revision 2 of its Belews Creek early site permit application #
Duke Energy Carolinas submitted Revision 2 of the Belews Creek early site permit application in response to regulatory-audit questions. Duke states it is not requesting a limited work authorization. Revision 2 is an applicant filing, not an NRC permit, a design selection or a construction start.
Checking notes
Duke Energy Carolinas letter RA-26-0157 (ML26274A437), dated 1 October 2026, submits Revision 2 of the Belews Creek early site permit application in response to regulatory-audit questions. The letter states that Duke is not requesting a limited work authorization, so no Site Redress Plan under 10 CFR 52.17(c) is provided. Parts 2, 3, 5 and 10 were revised for audit items; Parts 7 and 8 were unchanged. Revision 2 is an applicant filing, not an NRC permit, a design selection or a construction start.
Announced · Announcement
BWXT announces BANR selection for Belledune transportable plant #
BWXT announced the selection of BANR, with two reactors planned for the up to 50 MWe transportable plant. New Brunswick signed a letter of intent to buy power. This announcement is not a licence or a construction start.
Checking notes
BWXT announces BANR selection and two planned reactors for the up to 50 MWe transportable plant; New Brunswick signed a letter of intent to buy power. Planned count is not constructed units, and this announcement is not a licence or construction start.
Release dated · Recorded development
INL reports DOE approval of MARVEL's final documented safety analysis #
INL says DOE's Idaho Operations Office approved MARVEL's final documented safety analysis just before the primary coolant system arrived at INL in mid-September 2026. INL describes it as a key safety document authorizing a dry criticality configuration at near-zero power with no coolant. Criticality in December is a target; the release does not report achieved criticality.
The release gives no approval day.
Checking notes
INL's release of 6 October 2026 says DOE's Idaho Operations Office approved MARVEL's final documented safety analysis just before the primary coolant system arrived at INL in mid-September 2026, and describes it as a key safety document authorizing a dry criticality configuration at near-zero power with no coolant. The date shown is the release date, a report date; no approval day is given and the DOE approval document was not opened. The release anticipates criticality in December, a target. It does not identify a separate startup authorization or report achieved criticality.
Reported · Recorded development
BREST-OD-300 turbine hall receives separator-superheaters #
Rosatom said two separator-superheaters were installed in the turbine hall; concreting of the turbine foundation began in May 2026. This is non-nuclear turbine-hall work; it does not change the operation schedule.
Checking notes
World Nuclear News reported on 7 October 2026, relaying Rosatom, that two separator-superheaters had been installed in the turbine hall, that concreting of the turbine-generator foundation began in May 2026, and that the turbine-unit foundation is to be completed by the end of 2026. The date is the report date; the installation day is not given.
Announced · Announcement
Last Energy says DOE approved its PWR-5 final safety analysis #
Last Energy said DOE approved its final Documented Safety Analysis for the PWR-5 pilot at Texas A&M-RELLIS. The company says DOE readiness review and startup authorization are still ahead. The announcement does not establish operating authority or criticality.
Checking notes
On 7 October Last Energy said DOE approved its final Documented Safety Analysis. The DOE letter and exact decision date were not opened. The company says DOE readiness review and startup authorization are still ahead; this announcement does not establish operating authority or criticality.
Consultation opened · Regulatory step
Consultation opens on the proposed Norrsundet facility plan #
The Gävleborg county board opened consultation on its proposed facility plan and environmental impact statement for the six-reactor Norrsundet park, running from 9 October to 13 November 2026. A draft plan under consultation; it is not Government approval or a licence to build.
Checking notes
The Gävleborg county administrative board opened consultation on its proposed facility plan and environmental impact statement for the Norrsundet nuclear facility, running from 9 October to 13 November 2026. The plan covers about 40 hectares within the property Norrsundet 15:28; the board must submit its proposal to the Government by 31 December 2026.
Report dated · Recorded development
Xuwei preparations meet construction-licence conditions #
NNSA's inspection team found that site management and technical preparations met the conditions for issuing a construction licence, while setting seven corrective requirements. The report itself does not issue that licence or establish that first concrete occurred.
Inspection: 15–18 September. Report published: 12 October.
Checking notes
NNSA's report on its 15–18 September 2026 inspection before first concrete for Unit 3, signed 9 October and published 12 October, says the inspection team found that site management and technical preparations met the conditions for issuing a construction licence. It also sets seven corrective requirements. The report does not itself issue a construction licence or establish that first concrete occurred.
Targets dated October 2026
Planned, target and estimated dates are not achievements or commitments. A passed target period alone does not mean the step failed or was cancelled.
Planned · Planned step
Nuclearelectrica shareholders to consider Doicești conditions and RoPower Nuclear measures #
Extraordinary meeting convened for 29 October 2026, with a second convening on 30 October, to take note of the status of the February 2026 investment-decision conditions and the strategy update and to vote on proposed measures for RoPower Nuclear, including at least 60 percent fewer project staff for about six months. A scheduled meeting, not a decision.
Target · Planned step
NRC target for Pioneer draft environmental impact statement #
The NRC milestone table targets a draft environmental impact statement for 31 October 2026. This is a target, not an achieved review or permission.
Follow new entries with the RSS feed, or filter every entry on Updates.