South Korea Accelerates Nuclear Reactor Restart Amid Middle East Crisis

In light of the ongoing war in the Middle East, South Korea has announced plans to expedite the restart of nuclear reactors currently undergoing maintenance. The Ministry of Climate, Energy and Environment stated that the country aims to bring two reactors online in March and an additional four by mid-May. This decision follows an emergency meeting held on March 11, 2026, as the nation seeks to secure its energy supply amidst rising international oil and natural gas prices.

The Straits Times

South Korea's energy infrastructure relies heavily on nuclear, natural gas, and coal, with a significant portion of its fossil fuels imported. In 2025, approximately 14% of the country's liquefied natural gas (LNG) was sourced from Qatar, which has recently halted production at its largest facility following an Iranian drone attack. This disruption has raised concerns about potential impacts on energy availability and prices in South Korea.

The Straits TimesBloomberg

To mitigate the effects of potential LNG delivery disruptions, the South Korean government is considering flexible operations of coal-fired power plants, which are typically restricted during weekdays to reduce pollution. The Ministry has engaged with key industry players, including Korea Electric Power Corporation, Korea Hydro & Nuclear Power, and Korea Gas Corporation, to coordinate efforts in managing the energy crisis.

BloombergThe Straits Times

The Ministry of Climate, Energy and Environment has indicated that, despite the surge in international fuel prices due to the Middle East situation, the immediate impact on electricity charges remains limited. They noted that there is a time lag before fluctuations in fuel costs are reflected in the power market. However, the Ministry cautioned that if high oil prices persist or if LNG imports face further disruptions, the power market will inevitably be affected.

Bloomberg

While the government’s strategy aims to ensure energy security, critics have raised concerns regarding the environmental implications of increased coal usage and the long-term sustainability of relying on nuclear energy. Environmental groups have called for a more diversified energy strategy that includes renewable sources to reduce dependency on fossil fuels and nuclear power.

Bloomberg

• “Although international oil and natural gas prices surged due to the Middle East situation, the direct impact on electricity charges remains limited for now as there’s a time lag before fuel costs are reflected in the power market,” — Ministry of Climate, Energy and Environment

The Straits Times

• “If high oil prices persist or LNG imports face disruptions, the power market will be inevitably affected.” — Ministry of Climate, Energy and Environment

The Straits Times

As South Korea navigates the complexities of energy security amid geopolitical tensions, the government's accelerated nuclear reactor restart plan reflects a critical response to potential supply challenges. The situation underscores the nation's reliance on imported energy and the ongoing debate over its energy policy direction.

The Straits Times