San Onofre Nuclear Plant Demolition: Iconic Domes to Fall by 2027

The iconic twin domes of the San Onofre Nuclear Generating Station are set to be demolished as part of an ongoing dismantling process that began in 2020. Crews have been methodically taking apart the facility, which is located along Interstate 5 near San Diego, California. The entire demolition is expected to be completed by the end of 2027.

Since the shutdown of the plant in 2013 due to safety concerns, the focus has shifted to both the demolition of its structures and the management of stored nuclear waste. As part of the conversation surrounding the demolition, concerns about air quality and the handling of radioactive materials have been raised. The spent nuclear fuel remains on-site, securely stored in dry containers surrounded by heavy concrete.

Demolition Timeline and Safety Measures

The twin domes, recognizable landmarks for many San Diegans, are among the last major structures to be removed. As demolition crews prepare for this significant task, air quality remains a priority. To mitigate dust and potential pollution, crews are employing continuous water spraying during the demolition. Additionally, large concrete pieces will be carefully handled within tents designed to contain dust and manage air quality.

Radiation monitoring is a crucial element of the safety protocol in place. According to Alexander, a reporter covering North County for KPBS, air monitoring stations will ensure that radiation levels do not exceed safety thresholds. The current assessments indicate that the surrounding area is exposed to low-level radiation, comparable to natural background radiation from environmental sources.

“During the demolition process, the air quality will be continuously monitored, and precautions are in place to ensure safety for nearby residents,” Alexander stated. He further noted that a small crew will remain on-site to oversee the ongoing storage of spent nuclear fuel and to monitor radiation levels.

Community Sentiment and Future of Nuclear Waste

The demolition of the domes has sparked mixed feelings among local residents. Many view the domes as significant landmarks that symbolize their return home. Some community members have even suggested designating the structures as a National Historic Monument, although concerns regarding radiation have rendered this idea unrealistic.

The fate of the stored nuclear waste remains uncertain. The federal government had previously committed to removing spent nuclear fuel since as early as 1998, but no definitive plans have materialized. Discussions have revolved around establishing a repository at Yucca Mountain in Nevada, but political opposition has stalled progress.

Alexander highlighted that there is still hope for a solution, mentioning that federal staff are expected to return with a plan within 90 days of their last meeting in November 2023. “There are labs working on recycling nuclear waste, which could be a potential avenue for the future,” he noted, emphasizing that this process could take several years to implement.

As the demolition of the San Onofre Nuclear Generating Station progresses, local residents and officials will closely monitor both the dismantling of the iconic domes and the ongoing management of nuclear waste.