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Nuclear update: Total US output slides with loss of 5 reactors

Total U.S. nuclear plant availability was eyed at 86.81% early March 19, slipping from 89.45% on March 16 but coming in above the 81.94%-rating reported on the same day in 2017.

Pulling down total production was the loss of several units for what private sources indicate is planned seasonal work. The units are: Duke Energy Corp.'s Catawba 2 in South Carolina, Entergy Corp.'s Indian Point 2 in New York and Exelon Corp.'s Quad Cities 2 in Illinois.

Additionally, Tennessee Valley Authority's Browns Ferry 1 in Alabama and Exelon's Nine Mile Point 1 in New York were both offline early March 19, down from 100% on March 16.

Meanwhile, several generating units returned to full power as of March 19, including Nebraska Public Power District's Cooper reactor in Nebraska, which was taken offline about a week earlier after a high pressure coolant injection system was declared inoperable.

Exelon's Calvert Cliffs 1 in Maryland, its LaSalle 1 in Illinois and Southern Co.'s Hatch 1 in Georgia all ramped up to 100% as of early March 19. The three reactors are exiting planned seasonal outages that began in February.

For details of U.S. nuclear power plant operations, visit our Nuclear Availability and Status and Outage pages.