nuclear-news

Chernobyl at 40: The World’s Worst Nuclear Power Accident and Where It Stands Now

Alice Marchuk, Jack Goras, and Aaron Larson, Wednesday, April 1, 2026

 At 1:23 a.m. local time on April 26, 1986, a sudden and
uncontrollable power surge destroyed Unit 4 of the Chernobyl Nuclear Power
Plant, located about 130 kilometers (km, 81 miles) north of Kyiv and just
20 km (12.5 miles) south of the Belarusian border. The explosion—followed
by fires that burned for 10 days—released up to 5% of the radioactive
reactor core into the atmosphere, scattering contamination across Belarus,
Ukraine, Russia, and much of Europe

. It remains the only accident in the
history of commercial nuclear power reactors where radiation-related
fatalities occurred, and its consequences—human, environmental,
political, and technical—continue to reverberate four decades later.

The 40th anniversary arrives at a moment when the Chernobyl site is anything
but a static memorial. Decommissioning of the plant’s three undamaged
reactors is underway. A massive dry spent fuel storage facility—the
largest of its kind in the world—is in the midst of a multi-year fuel
transfer campaign. And the New Safe Confinement (NSC, Figure 1), the
enormous arch-shaped structure that took more than a decade to design and
build, sustained significant damage from a drone strike in February 2025,
raising urgent questions about the long-term security of the site in a
country still at war.

 Power Magazine 1st April 2026, https://www.powermag.com/chernobyl-at-40-the-worlds-worst-nuclear-power-accident-and-where-it-stands-now/

April 6, 2026 - Posted by Christina Macpherson | safety, Ukraine