Vibrations in cooling system mean new Georgia nuclear reactor will again be delayed WSB-TV Channel 2 [Video]

ATLANTA — (AP) — Georgia Power Co. said Thursday that vibrations found in a cooling system of its second new nuclear reactor will delay when the unit begins generating power.

Plant Vogtle’s Unit 4 now will not start commercial operation until sometime in the second quarter of 2024, or between April 1 and June 30, the largest subsidiary of Atlanta-based Southern Co. announced.

The utility said in a filing to investors that the vibrations “were similar in nature” to those experienced during startup testing for Unit 3, which began commercial operations last summer, joining two older reactors that have stood on the site near Augusta for decades

In that case, the utility found that a pipe vibrated during testing because construction workers hadn’t installed enough bracing. Georgia Power said the Unit 4 problem has already been fixed but too much testing remains to be done to make the March 30 deadline.

Georgia Power said it’s likely to lose $30 million in profit for each …