Free Sao Tome and Principe electricity bill calculator with country-specific defaults and clear step-by-step results.
Estimates a monthly electricity bill from kWh usage, the per-kWh rate and any fixed standing charge.
Formula
Bill = usage (kWh) × rate + fixed fee
Rates vary by tariff and provider in Sao Tome and Principe — use the rate on your current bill.
Estimates a monthly electricity bill from kWh usage, the per-kWh rate and any fixed standing charge.
Understanding your usage in kilowatt-hours and the rate makes it easier to cut costs or compare suppliers.
Results on this page are expressed in STN. Figures are estimates for general planning — confirm current rates and thresholds with the relevant Sao Tome and Principe authority before relying on them.