FORKED RIVER, NEW JERSEY — The new owner took over the Oyster Creek Nuclear Generating Station in 2019, promising to dismantle one of the nation’s oldest nuclear plants at minimal cost and in record time. Then came a series of worrisome accidents.

One worker was struck by a 100-ton metal reactor dome. Another was splashed with radioactive water, according to internal incident reports and regulatory inspection reports reviewed by The Washington Post. Another worker drove an excavator into an electrical wire on his first day on the job, knocking out power to 31,000 homes and businesses on the New Jersey coast, according to a police report and the local power company.

All three incidents occurred on the watch of Holtec International, a nuclear equipment manufacturer based in Jupiter, Fla. Though the company until recently had little experience shutting down nuclear plants, Holtec has emerged as a leader in nuclear cleanup, a burgeoning field riding an expected wave of closures as licenses expire for the nation’s aging nuclear fleet.

Over the past three years, Holtec has purchased three plants in […]