Tripping of power-generating units caused blackout

Singapore

THE extensive blackout on Tuesday that affected close to 147,000 customers was caused by the power-generating units of Sembcorp Cogen and Senoko Energy tripping.

The Energy Market Authority (EMA) said in a statement on Wednesday afternoon that it was working with the two power generation companies and their equipment suppliers to establish why the units tripped.

EMA said preliminary findings showed that one of the power-generating units at Sembcorp had tripped first.

A Sembcorp spokesman told The Straits Times that the power-generating unit that tripped and experienced an outage was on Jurong Island.

"We have called in technical specialists from our equipment suppliers and are working with them to investigate th…