The Energy Regulatory Commission (ERC) will conduct its own review of the simultaneous power plant outages and transmission line tripping that prompted the grid operator to put the Luzon grid on red and yellow alerts early this week.
“The ERC will verify all the reports submitted by the NGCP and the generating companies, including the actions to get the power plants back online,” ERC said.
The National Grid Corp. of the Philippines (NGCP) is the power grid operator and the country’s transmission highway operator.
The Department of Energy (DOE) is conducting its own separate investigation and has vowed to conduct an inspection of the affected power plants.
NGCP reported to ERC that seven generating units with a total capacity of 3,401 megawatts were on unplanned outages.
The Consunji family’s Calaca 2 went on unplanned outage due to generation high vibration refinement activities while Dinginin 1 of the Aboitizes encountered a problem due to turbine vibration rectification.
Quezon Power was also out due to “primary air fan A broken inlet vane linkage.”
Sual 1 and 2 suffered “external fault” after the transmission line tripped. TeaM Energy operates the plant, while San Miguel Corp. is the independent power producer administrator.
The transmission line tripping affected the Masinloc 2 and Masinloc 3 plants owned by SMC.