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Korea just set a renewable target equal to the output of forty-five nuclear reactors.
The Ministry of Climate, Energy and Environment expects renewable capacity to reach 220 gigawatts by 2040, up from about 37 gigawatts last year, with solar at 155 gigawatts and offshore wind at 74 percent of a 61-gigawatt wind fleet. Power demand for 2040 has been revised up to 165 gigawatts, leaving more than 6 gigawatts to be met elsewhere and implying four to five additional reactors. Storage is the hidden constraint, since a 55 percent rise in solar capacity requires 220 percent more energy storage. A new nuclear construction plan is due in September.

Sources:

Renewables to Match Power Output of 45 Nuclear Reactors by 2040 — Seoul Economic Daily, August 27, 2026
Solar Up 55 Percent Means Storage Up 220 Percent: Energy Security Rests on Batteries — Seoul Economic Daily, August 27, 2026
Hyundai Motor to Launch More Than 100 New Models Over Five Years — Seoul Economic Daily, August 27, 2026

About AI PRISM:
AI PRISM is Seoul Economic Daily's WAN-IFRA award-winning newsroom AI series, delivering Korean economic news adapted for global audiences. Episodes are produced with AI assistance and reviewed by a human editor.

Tags:
#Korea #Renewables #Nuclear #EnergyStorage #PowerDemand #Solar #OffshoreWind #KOSPI #AIPRISM #SeoulEconomicDaily #WANIFRA

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00:03Korea's top story today isn't just an energy story.
00:07Pause. It's a signal about where the economy is heading.
00:10The government wants renewable capacity at 220 gigawatts by 2040.
00:15That is roughly what 45 nuclear reactors produce.
00:19Power demand for 2040 has now put it up to 165 gigawatts.
00:25And Korea may still need four to five more reactors to cover the gap.
00:29It's Thursday, August 27.
00:32Let's get into one of Korea's top economic stories today.
00:36On August 26, the Ministry of Climate, Energy and Environment
00:40presented its 2040 renewable supply outlook at a public debate in Seoul.
00:45Korea's renewable fleet stood near 37 gigawatts last year,
00:49so the target implies close to a six-fold expansion.
00:53Three mega-projects, including semiconductor fabs,
00:56are driving power demand sharply higher at the same time.
01:00Here's what the numbers show.
01:03220 gigawatts is the 2040 renewable target, up from about 37 gigawatts last year.
01:09Solar capacity rises from roughly 31 gigawatts at the end of last year
01:14to 87 gigawatts in 2030 and 155 gigawatts by 2040.
01:20Offshore wind adds four to five gigawatts a year from 2030,
01:24taking it to 74% of a 61 gigawatt wind fleet.
01:29Matter of fact, the outlook assumes utilization of 80% for nuclear,
01:3320% for solar and 30% for wind.
01:372040 demand is now centered up to 165 gigawatts,
01:41against 129.3 gigawatts for 2038 in last year's 11th plan.
01:47More than 6 gigawatts of that demand must come from other sources,
01:51which points to four to five additional reactors.
01:54A 55% rise in solar capacity requires energy storage to grow 220%,
02:00and about 19.5 gigawatts of storage by 2030.
02:05So, what does this mean for readers following Korea's economy?
02:09Earlier, we said Korea may still need four to five more reactors.
02:13Here's what that actually means for you.
02:16This is a build-everything plan, not a swap of nuclear for renewables.
02:20The binding constraint has moved from generation to grid and storage,
02:24and that is where the costs and the policy fights will land.
02:28Watch the new nuclear construction plan, due in September.
02:32Watch the 12th basic power supply plan for its final demand and grid assumptions.
02:37Watch battery and storage orders, the earliest hard signal that the target is real.
02:43That's today's AI Prism, Front Page Daily.
02:46This episode was produced with AI assistance based on Seoul Economic Daily reporting
02:52and reviewed by a human editor.
02:54AI Prism is a WANIFRA award-winning series.
02:57We'll be back tomorrow.
02:58Join me tomorrow.
03:01Copyright 2018
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