Harris nuclear plant at reduced power after switchgear blows up

Shearon Harris nuclear power plant North Carolina Duke Energy Carolinas switchgear explosion reduced power NRC

The single unit, 900 MW Shearon Harris nuclear power plant in North Carolina is running at reduced power after a switchgear exploded on August 8.

Plant operator Duke Energy Carolinas (NYSE: DUK) sent out an alert to the U.S. Nuclear Regulatory Commission about an explosion in a non-safety related electrical bus. The bus affects safe shutdown equipment. It was de-energized due to the explosion, but there was no fire, so workers terminated the alert.

The plant is running at 92 percent power while workers investigate what loads were coming off that bus. One of the backup diesel generators is out of service due to loss of power to two air compressors, but workers were not sure if it was related to the explosion.

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