Revised outage limits raise concerns on power system reliability in Visayas and Mindanao
QUEZON CITY, 10 September 2026 — Filipino consumers are facing mounting pressure for a more dependable power system as recurring grid alerts expose vulnerabilities in the country’s electricity supply, with the Visayas alone recording 123 yellow and red alerts since January—underscoring the need for policy and system-level measures to strengthen the power system and ensure consumers have access to affordable and secure electricity. Following the Energy Regulatory Commission (ERC)’s recent revision of reliability standards and allowable equivalent unplanned outage days for generating units, the Institute for Climate and Sustainable Cities (ICSC) is raising concerns that higher outage allowances could [...]
ICSC: Rotating blackouts underscore hidden risks of centralized energy infrastructure
Institute for Climate and Sustainable Cities REACTIVE QUEZON CITY, May 14 2026 –– The latest rotating blackouts across Luzon and Visayas underscore the systemic risks created by concentrating generation and transmission infrastructure in a limited number of large facilities and critical corridors. From the forecasted available capacity in Luzon of 16,975 MW reported by the NGCP earlier in the day, system availability dropped to 12,447 MW, reflecting how concentration of critical assets can lead to an immediate tightening of power supply conditions. The cascading tripping on May 13 of 500 kV Dasmariñas-Ilijan transmission line at 4:48AM and 500 kV [...]