Bill formula
Amount due = (Current reading − Previous reading) × Rate per kWh, plus any applicable government charges and prior balance.
Approved rate per kilowatt-hour by customer class. Rates are reviewed monthly and reflect generation, transmission, and distribution costs.
| Rate Class | Description | Rate / kWh | Effective Month |
|---|---|---|---|
| Residential | Household and Residential Connection | ₱15.9806 | September 2026 |
| Residential | Household and residential connection | ₱12.0000 | September 2026 |
| Residential | Households and residential connections | ₱13.4933 | July 2026 |
| Lifeline | Subsidized rate for qualified low-usage households | ₱8.9500 | August 2026 |
| Industrial | Large-load industrial connections | ₱10.7200 | August 2026 |
| Commercial | Small and medium business establishments | ₱11.9800 | August 2026 |
Amount due = (Current reading − Previous reading) × Rate per kWh, plus any applicable government charges and prior balance.
Qualified low-usage residential accounts (typically under 100 kWh/month) may be eligible for the discounted lifeline rate.
All rate changes follow public notice and approval by the Energy Regulatory Commission before taking effect.
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