MADRID, June 18 (Reuters) – Spanish grid operator Redeia disputed the findings of a authorities report that mentioned failure by the operator to calculate the right mix of power was one of many elements that led to an enormous blackout in Spain and Portugal on April 28.
Redeia operations chief Concha Sanchez additionally advised a information briefing on Wednesday that its personal investigation had found anomalies within the disconnection of energy vegetation on April 28, although voltage within the system was inside authorized limits, in addition to an anomalous development in demand from the transport community.
Then, within the first seconds of the blackout, a combined-cycle plant that was supposed to offer stability to the system disconnected when it mustn’t have, she mentioned.
“Primarily based on our calculation, there was sufficient voltage management capabilities deliberate” by Redeia, she mentioned. “Had standard energy vegetation accomplished their job in controlling the voltage there would have been no blackout.”
The federal government’s report released on Tuesday mentioned Redeia’s miscalculation was one of many elements hindering the grid’s skill to deal with a surge in voltage that led to the outage.
In response to Redeia’s Sanchez, the system was in “completely regular situations” at midday simply earlier than the blackout.
Redeia will launch its personal full report on the causes of the outage, its chair, Beatriz Corredor, advised the identical information briefing.
(Reporting by Pietro Lombardi, writing by Inti Landauro, enhancing by Andrei Khalip)
