NGCP sees risks to grid stability from overdependence on intermittent RE

THE National Grid Corp. of the Philippines (NGCP) said excessive reliance on "intermittent" renewable power sources could result in power interruptions if not properly managed.

- - Sheldeen Joy Talavera

"Any new power source introduced into the system will help keep supply stable. However, not all renewable energy technologies are equal. Some technologies (such as wind or solar) are, by nature, variable or supply intermittently, and therefore need to be handled more carefully," NGCP said in a statement on Wednesday.

The NGCP cited recent voltage fluctuations in northern Luzon, which it blamed on "unstable output of renewable energy sources."

The grid operator said the sudden variability in renewable energy (RE) generation prompted it to take action to prevent further disturbances.