The unavailability of four coal power plants continues to put pressure on the Visayas’ electricity supply, with another yellow alert issued on Monday. In an advisory, the National Grid Corp.

The Visayas grid will be placed under red and yellow alerts on Friday, May 29, due to forced outages and derated capacities of several power plants, the National Grid Corporation…

Electricity consumers in the Visayas should expect another round of power interruptions on Friday afternoon to evening amid a supply deficiency in the islands-cluster’s grid due…