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Meralco Bill Estimator
Enter your monthly kWh, or model it appliance by appliance. See the full component breakdown — generation, transmission, distribution, system loss, subsidies, and VAT — at current rates.
Component rates (editable, ₱/kWh)
Estimated monthly bill
₱3,584.00
Effective rate per kWh: ₱14.34/kWh
| Generation | ₱7.5000/kWh | ₱1,875.00 |
| Transmission | ₱1.1000/kWh | ₱275.00 |
| Distribution | ₱1.5000/kWh | ₱375.00 |
| System loss | ₱0.5500/kWh | ₱137.50 |
| Subsidies + Universal charges | ₱2.1500/kWh | ₱537.50 |
| Pre-tax subtotal | ₱3,200.00 | |
| Taxable subtotal | ₱3,200.00 | |
| VAT | 12.0% | ₱384.00 |
| Total bill | ₱3,584.00 |
Rates reviewed 2026-05-22
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How it works
Every kWh on your bill is split into five major component charges plus 12% VAT. We surface the dominant ones and use representative May 2026 rates by default; you can override any of them — useful when month-over- month fuel cost adjustments shift the generation rate.
In appliance mode, kWh = (watts × hours/day × days/month) ÷ 1,000. We seed with two rows by default; add more for every appliance that draws meaningful power. Inverter aircons typically cycle to ~60–70% of their nameplate rating once the room is cool — adjust the watts down if you've measured your actual draw.
§ 03
Frequently asked questions
Where does the ₱14.33/kWh effective rate come from?
It's a sum of five major component rates — generation (~₱7.50), transmission (~₱1.10), distribution (~₱1.50), system loss (~₱0.55), and subsidies + universal charges (~₱2.15) — plus 12% VAT applied on top of the pre-tax subtotal. The exact mix shifts month-to-month, but May 2026 lands close to this. All values are editable.
What's the lifeline discount?
Under EPIRA (RA 9136), households consuming 100 kWh or less per month qualify for a graduated subsidy paid by other customers. The discount steps from 50% (≤20 kWh) down to 5% (81–100 kWh). The calculator applies an average ~20% discount when you tick the lifeline box — close enough for estimation. Above 100 kWh, the subsidy disappears entirely.
Which appliance hurts my bill the most?
By far: aircon (a 1.5 HP inverter at 1,400 W × 8 hours × 30 days = ~336 kWh ≈ ₱4,800/mo at ₱14.33/kWh), and electric water heaters (4,500 W for shower heaters). Refrigerators run 24/7 but are only ~150 W, so they average ~108 kWh/mo. Use the 'By appliance' tab to model your actual mix.
Why is my bill different from your estimate?
Real Meralco bills vary by month based on fuel cost adjustments, weather (which shifts demand and generation mix), and franchise/local taxes layered on top. This is an estimator for planning — for the actual amount due, check your Meralco Online account.
How can I lower my bill?
Three biggest levers: (1) Cut aircon hours or upgrade to inverter; (2) Replace an electric water heater with a gas or solar one; (3) Replace incandescent or halogen bulbs with LEDs. If your roof gets sun, our solar-payback calculator will show how many years until rooftop panels pay for themselves.
Does this save or transmit my data?
No. Everything runs in your browser. We don't collect, store, or transmit any of your inputs.
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Sources & references
From official issuer, regulator, and data-provider sites. Verify any figure against the primary source before acting on it.