The emissions stack at Oyster Creek, which was permanently shut down in 2018. The plant’s single reactor generated enough electricity to power 600,000 homes. (Sarah L. Voisin/The Washington Post)

The emissions stack at Oyster Creek, which was permanently shut down in 2018. The plant’s single reactor generated enough electricity to power 600,000 homes. (Sarah L. Voisin/The Washington Post)