[2026-09-11] Korea's SMR Special Act Takes Effect — Can It Hit the 2035 Commercialization Target?

South Korea’s Small Modular Reactor (SMR) Special Act and its enforcement decree took effect on September 11, 2026. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11) The Ministry of Science and ICT (MSIT) announced that the law’s enforcement puts the country’s 2035 SMR commercialization plan into full motion. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11) The Special Act, originally enacted in March 2026, is designed to systematically promote R&D and demonstration of SMRs and build a government-wide support system to move research outcomes into actual commercialization. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11)

The 2035 roadmap and regulatory budget behind it

The government’s stated goal is dual-tracked: commercialize light-water SMRs by 2035, while starting construction of non-light-water SMRs sometime in the 2030s. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11) MSIT will now establish a five-year SMR system development master plan and check implementation annually — a formal management structure that did not previously exist in law. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11)

Korea’s Nuclear Safety and Security Commission (NSSC) budget submission for 2027 shows the target is backed by concrete allocations. The NSSC’s proposed 2027 budget totals 303 billion won, up 10.4 billion won from 2026. (Source: https://www.climatepol.com/news/articleView.html?idxno=28589, 2026-09-01) Of that, 8 billion won is earmarked for R&D on a new evaluation framework for non-light-water SMRs, targeting licensing readiness in the early 2030s, and 2.7 billion won is set aside for pre-review of the specific non-light-water SMR design that a developer plans to submit in early 2027. (Source: https://www.climatepol.com/news/articleView.html?idxno=28589, 2026-09-01) The NSSC also separately allocated 12.3 billion won for full lifecycle (design, construction, operation, decommissioning) safety verification technology for the government-developed innovative SMR (i-SMR). (Source: https://www.climatepol.com/news/articleView.html?idxno=28589, 2026-09-01) A new pre-review system — allowing developers to request regulatory review of reactor designs before formally filing for licensing — is scheduled to launch in November 2026. (Source: https://www.climatepol.com/news/articleView.html?idxno=28589, 2026-09-01) The specific number of months this pre-review process is expected to shave off formal licensing timelines is not stated in the NSSC’s budget materials, so its real-world impact will only be confirmed once the first pre-review case goes through the system. (Source: https://www.climatepol.com/news/articleView.html?idxno=28589, 2026-09-01)

How the US is moving in parallel: the Army’s Janus Program

Korea is not alone in accelerating SMR development. On August 27, 2026, the U.S. Army approved $2.2 billion in funding for micro nuclear reactors, selecting five developers to each deliver a microreactor to a U.S. Army site. (Source: https://www.fool.com/investing/2026/09/01/the-u-s-army-will-spend-usd2-2-billion-on-micro-nuclear-reactors-these-2-stocks-should-benefit/, 2026-08-27) The funding is part of the Janus Program, launched in October 2025 under Executive Order 14299, signed in May 2025, which aims for an Army-regulated nuclear reactor to be operating at a domestic military installation no later than September 30, 2028. (Source: https://www.fool.com/investing/2026/09/01/the-u-s-army-will-spend-usd2-2-billion-on-micro-nuclear-reactors-these-2-stocks-should-benefit/, 2026-08-27)

The two countries are taking distinct paths toward the same industry. The U.S. is using military demand to create an initial commercial anchor — an Army representative, as quoted by financial media outlet The Motley Fool, stated the goal is “systems able to deliver power with high-capacity factors for years of operation,” not just brief demonstrations, explicitly framing military deployment as a stepping stone to civilian markets. (Source: https://www.fool.com/investing/2026/09/01/the-u-s-army-will-spend-usd2-2-billion-on-micro-nuclear-reactors-these-2-stocks-should-benefit/, 2026-08-27) Korea’s Special Act instead builds a legal and institutional foundation first — including provisions supporting joint ventures between private companies and public institutions to fund early-stage SMR business entities. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11) Which approach reaches commercial deployment faster remains an open question, since regulatory environments and political priorities differ significantly between the two countries.

R&D special zones and skilled workforce: what actually changes locally

The enforcement decree also sets out criteria and procedures for designating SMR R&D special zones — regions where universities, research institutes, and companies with sufficient personnel and infrastructure exist, paired with a formal cooperation framework between those institutions and local governments. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11) The korea.kr announcement does not name specific candidate regions or specify what tax incentives or regulatory exemptions a designated zone would receive; the government has only stated that it will gather input from local governments and industry before drawing up development plans, meaning the real regional impact depends on follow-up plans that have not yet been published. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11)

Alongside the special-zone criteria, the decree also specifies standards and procedures for designating universities, research institutes, and specialized institutions as SMR workforce training centers. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11) The rationale is straightforward: without a pipeline of specialists to lead SMR R&D, demonstration, and commercialization, designating a special zone alone is unlikely to produce a real industrial cluster. As with the zone-designation criteria, this is currently a framework stage — how many institutions will be designated, and when, has not yet been disclosed. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11)

Why this matters for the US

Korea’s SMR push is relevant to U.S. industry mainly because the two countries are running comparable commercialization timelines through different mechanisms: Korea’s law-first approach versus the U.S. Army’s demand-first approach described above. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11; https://www.fool.com/investing/2026/09/01/the-u-s-army-will-spend-usd2-2-billion-on-micro-nuclear-reactors-these-2-stocks-should-benefit/, 2026-08-27) The Special Act’s provision for special-purpose companies jointly funded by private firms and public institutions is, as of this announcement, limited to enabling Korean-side joint ventures; the government has not announced any foreign-partner provisions, so whether U.S. developers or suppliers gain a formal entry point remains an open question rather than a stated policy outcome. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11)

Industry impact

Korean nuclear equipment makers, universities, and research institutes gain a clearer legal basis for participation, since the Special Act enables special-purpose companies (SPCs) jointly funded by private firms and public institutions — opening a path for private capital to enter even higher-risk, early-stage non-light-water SMR designs. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11) However, the NSSC’s 2.7 billion won allocation for non-light-water SMR pre-review suggests this remains an early-stage, pilot-scale investment rather than large-scale commercial funding. (Source: https://www.climatepol.com/news/articleView.html?idxno=28589, 2026-09-01) Industry observers note that several more years of licensing and demonstration data will likely be needed before the regulatory sandbox translates into major commercial projects.

There is also a point of disagreement worth flagging: the government frames this law as a step toward “leading the global SMR market,” but without a clear domestic anchor demand comparable to the U.S. Army’s approach, some industry voices worry that private investment incentives could remain limited. The legal and budgetary groundwork is now in place, but who places the first major commercial order remains an open question. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11; https://www.fool.com/investing/2026/09/01/the-u-s-army-will-spend-usd2-2-billion-on-micro-nuclear-reactors-these-2-stocks-should-benefit/, 2026-08-27)

Consumer impact

For the general public, the most immediate change is a new legal basis for public communication and outreach on SMR safety and social acceptance, including information disclosure, media outreach, exhibitions, and public forums. (Source: https://www.korea.kr/news/policyNewsView.do?newsId=148971747, 2026-09-11) Residents in regions that may eventually be designated as SMR R&D special zones stand to see the most direct effect from these engagement requirements, though the government has not yet named specific candidate regions.

Taken together, the Special Act is best read not as a single event that moves the 2035 target closer, but as the start of a process — regulatory budget, licensing pre-review, R&D special zones, and workforce training are all concrete implementation pieces being put in place one at a time. Several of the specifics, including special-zone designation criteria and the real-world time savings from pre-review, are not yet confirmed by hard numbers, so it would be premature to conclude that the 2035 target has become more achievable simply because the law took effect. Domestic nuclear equipment suppliers preparing non-light-water SMR designs are the ones with the most immediate reason to act now, since pre-review applications are expected to cluster in early 2027 — securing an early consultation channel with regulators is likely to be the more time-sensitive move.

Source: Korea Policy Briefing, 2026-09-11 · References: NSSC 2027 Budget Proposal, U.S. Army Janus Program funding, 2026-08-27

[2026-09-11] Korea’s SMR Special Act Takes Effect — Can It Hit the 2035 Commercialization Target?