The National Grid Corporation of the Philippines (NGCP) once again raised a Yellow Alert in the Visayas grid on Wednesday, August 6.

In an advisory issued at 7 a.m., the alert is in effect from 3 p.m. to 4 p.m. and 5 p.m. to 7 p.m.

According to the update, the available capacity is 2,538 megawatts (MW), while peak demand is at 2,369 MW.

Visayas plants on unplanned/forced outage:

• SCBI – 7.4MW
• HPC U1 – 2MW
• VMC 1 – 2.5MW
• EAUC U1 – 11.5MW
• CARMEN DIESEL U4 – 10MW
• SCBP – 19.5MW
• SNBP – 25MW
• BISCOM BIOMASS – 12.7MW
• VMC 2 – 35MW
• NNBP – 25MW
• CASA 2 BIOMASS – 7MW
• 1ST FARMER BIOMASS – 9MW
• CASA BIOMASS – 8MW
• HPC U2 – 9.5MW
• CABI BIOMASS – 12MW
• URC BIOMASS - 20MW
• TVI U2 - 169MW

There are a total of 5 days of Yellow alert occurrences in 2025. All events happened from August 1 to August 6, reflecting elevated stress in the grid from outages and scarcity in reserves.

Meanwhile, the Luzon and Mindanao grids are under normal condition.