Daily Woody | Jun 18, 2026 — Korea's Nuclear Comeback Meets the AI Power Crunch
South Korea has confirmed the sites for its first new nuclear reactors in roughly 15 years — two large units in Yeongdeok on the east coast, and the country's first small modular reactor (SMR) in Busan's Gijang. State utility KHNP's siting committee announced the picks on Wednesday.
Yeongdeok will host two APR1400 reactors (2.8GW), targeting construction in 2031 and completion by 2038; the Gijang SMR aims for 2035. Yeongdeok beat rival Ulju on resident-acceptance and site-suitability scores; Gijang edged out Gyeongju by a slim margin. The trigger is electricity: power demand from AI data centers, semiconductors and EVs is climbing fast, and the government reversed its earlier opposition to new reactors to keep pace.
Korea runs 26 reactors that supplied about 30% of its electricity in 2024. In 2017, the Moon Jae-in government launched a nuclear phase-out and scrapped the planned Cheonji plant in Yeongdeok. The current Lee Jae-myung administration has kept the pro-nuclear turn its predecessor began, and the National Assembly passed an SMR promotion act in February. Korea's flagship APR1400 already runs at Barakah in the UAE and won a contract in the Czech Republic in 2025.
The land Yeongdeok won is the very site the phase-out abandoned in 2017 — the Cheonji plot, about 3.24 million square meters, with surveys and zoning already done. That paperwork shortcut is why it scored so high. A plan once folded reopens on the same ground, only the rationale has changed: not climate ideology, but the electricity bill of the AI economy.
For a global reader, this is the tell. Countries that swore off nuclear are quietly walking it back as data centers strain their grids, and Korea is doing it in the open — while pitching its reactors abroad. The risk is time. Construction spans 2031 to 2038, across two presidential terms, and this same site was cancelled once by a change of government. Site selection is the easy part; grid upgrades, high-level waste storage and policy continuity are not.
At the G7 summit in Evian, France, President Lee Jae-myung held back-to-back talks with the leaders of Germany and Canada on Monday. The subtext: a Canadian next-generation submarine program estimated at up to 60 trillion won, where Korea's Hanwha Ocean–HD Hyundai consortium is competing against Germany's TKMS. Canada is the buyer; Germany is the rival — and Lee met both. A preferred bidder is expected by month's end. Lee also pressed Trump, in repeated encounters, to help resolve the North Korea question.
The main opposition People Power Party filed election challenges late on the June 17 deadline, contesting governor races in seven regions hit by ballot-paper shortages on June 3 — Seoul, Gyeonggi, Incheon, Ulsan, Busan, Gwangju-South Jeolla and North Chungcheong. Candidates filed four more. Party leader Jang Dong-hyeok had pushed to contest all 16 regions; a caucus vote narrowed it to seven. If a challenge is upheld, a re-vote follows within 30 days; if dismissed, the party can sue at the Supreme Court within 10 days.
Why it matters. A near four-month war is one signature away from ending — and the first economy to feel the relief is an exporter like Korea.
Pakistan's Prime Minister Shehbaz Sharif, a key mediator, and President Trump declared a memorandum of understanding on June 14, with a formal signing set for June 19 in Switzerland. The 14-point deal extends the ceasefire by 60 days and reopens the Strait of Hormuz, while leaving Iran's nuclear program and sanctions to later talks. With roughly a fifth of the world's oil once passing through Hormuz, Brent fell 4.9% to $83.20 and WTI 4.8% to $80.75 — the lowest since March 10.
The signing is dated Friday, but the deal is not yet solid. Trump called it not final and warned he could strike again; Israel says it will not leave southern Lebanon; the two sides still differ on Hormuz transit fees. A 60-day truce, not a settlement, is what the ceremony rests on.
For Korea, the relief is concrete. Cheaper oil eases inflation and the trade balance at once. And with Washington's attention freed from the Middle East, Seoul sees an opening: Lee used the G7 to ask Trump to turn toward the Korean Peninsula. The end of one war quietly widens the diplomatic window for another standoff.
Why it matters. A 30-year low-rate era is bending. The move ripples straight into the yen and Korean exports.
The Bank of Japan raised its short-term policy rate from around 0.75% to about 1% on June 16, citing inflation concerns — the first time the rate has reached that level since September 1995. The decision briefly pulled Seoul's KOSPI into negative territory mid-session even as the US–Iran news pushed it higher.
Why it matters. Prosecutors say a religious group funneled 50,000 followers onto one party's membership rolls — and made their first arrests.
A Seoul court jailed three former officials of the Shincheonji sect on Wednesday, including ex-treasurer Ko Dong-an, on charges of violating the Political Parties Act, citing flight and evidence-tampering risk. A joint police-prosecution task force alleges the group enrolled more than 50,000 members as PPP "responsibility members" from 2021 under a scheme it calls the "Pilates Project," to sway party primaries. It was the task force's first detention since forming in January; the probe now points toward sect founder Lee Man-hee.
Shincheonji is a controversial Korean new-religious movement led by Lee Man-hee. It drew global attention in early 2020 when a cluster of infections among its members seeded Korea's first major COVID-19 outbreak. Korean law bars coercing anyone into party membership against their will.
Read the two front-page Korea stories together. One party is contesting the June 3 results on grounds of electoral fairness; the same party's membership rolls are now in court over how they were inflated. The legal responsibility in each is entirely separate — but the two cases put a country's faith in its rolls and its count on trial in the same week.
Parliament set a two-day confirmation hearing for Prime Minister nominee Han Seong-sook. A former Naver CEO and current minister for SMEs, she would become Korea's first woman premier in roughly two decades if approved. Her property holdings — including a roughly 3-billion-won gain on a Seoul apartment sale — are expected to dominate the questioning. Unlike cabinet ministers, a prime minister requires a floor vote in the National Assembly.
The defense ministry said on June 17 it will push the Civilian Control Line back, from an average 8km to 6km south of the inter-Korean military demarcation line. Combined with eased protection zones, an area roughly 240 times the size of Seoul's Yeouido district — about 9.1% of all military-restricted land — would be freed for development from 2027. Shrinking conscription numbers and changing weapons systems were cited as the rationale.
The KOSPI rose 1.58% to close at 8,864.24 on June 17, a record finish, helped by the US–Iran de-escalation, falling oil and a Micron-led rebound in chip stocks overnight in New York. Retail and institutional buyers drove the gain; foreigners sold again.
LIG Defense & Aerospace jumped more than 18% and Hanwha Aerospace over 9% on June 17, lifted by expectations of European contracts. The surge tracked Lee's arms diplomacy at the G7, where the Canadian submarine deal was front of mind.
Mostly partly cloudy nationwide today, clouding over by night. Afternoon showers are possible inland, with daytime highs running warm. Watch for gusts, thunder and hail where showers form.
| Thu 18 | Fri 19 | Sat 20 | Sun 21 | |
|---|---|---|---|---|
| Sky | Cloudy, PM showers | Overcast, rain south | Rain nationwide | Cloudy, turning gray |
| Low | 18–22° | 17–22° | 19–22° | 17–21° |
| High | 26–33° | 24–32° | 23–27° | 24–30° |
· Inland showers June 18: 5–30mm. Jeju June 19: 30–80mm.
· Korea Meteorological Administration, issued June 17, 5 p.m. KST.
Korea is having a split-screen week. Abroad, it looks like a rising middle power: naming new reactor sites as the AI era reorders energy policy, selling submarines at the G7, watching its stock index hit a record as a four-month war winds down. Cheaper oil, a defense-export boom, a nuclear comeback — the tailwinds all blow the same way.
At home, the picture is harder. The conservative opposition is contesting the June 3 results in seven regions, and on the same day prosecutors jailed sect officials accused of stuffing a party's rolls with 50,000 names. The two cases assign blame in opposite directions, yet they land on one nerve: whether the machinery of Korean democracy — the rolls, the ballots, the count — can be trusted.
The reactor decision sits oddly between those moods. The site Korea just chose is the one it abandoned eight years ago, and the one a wildfire scorched last year. Power is urgent and compensation is real, but the build runs to 2038, across two more elections. A country can rise on technology and exports while quarreling over its own ground rules. This week, Korea did both at once.
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