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The hot weather of the last few months means that seawater is now approaching 25 degrees. This allows the Ringhals nuclear power plant, where seawater is used to cool different systems and components in the process.
"When the water gets hotter, its cooling effect decreases and to maintain the necessary cooling capacity for different systems, we must now put Ringhals 2 out of service," says Sven-Anders Andersson, Production Manager at Ringhals. .
Ringhals 3 and 4 still have normal production. Ringhals 1, in turn, is currently compensated for planned maintenance. According to Vattenfall each plant set limit values for the temperature of the seawater temperature. For Ringhals 2, the limit is 25 degrees.
"When we reached 25 degrees, we chose to reduce the effect to 55%, but now temperatures have dropped more than 25 degrees, so Ringhals 2 is triggered," says Sven-Anders Andersson.
According to Vattenfall, it is unusual for Swedish nuclear power plants to reduce the effect due to warm seawater, and for Ringhals, this has only been done occasionally in the 2000s.
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