Domestic slab rates
Cat-I(A) domestic supply uses telescopic energy rates from ₹1.90 per unit for the first 30 units up to ₹9.75 per unit above 400 units. Customer charges step up with total monthly consumption (₹25 to ₹55).
Crossing a slab boundary does not reprice units already billed in cheaper bands. Only the extra units in the higher band attract the higher energy rate.
Telescopic billing
Telescopic billing means your units are sliced across the slab table. A 200-unit household still pays ₹1.90 on the first 30 units. That is why multiplying all units by the top-band rate overstates a domestic bill.
Fixed charges
The domestic fixed charge is ₹10 per kW of sanctioned or connected load per month, and ₹75 per kW when load exceeds 75 kW. Fixed charges apply even in a month with little or no consumption.
Example calculations (1 kW load)
These estimates use Cat-I(A) FY 2026-27 rates, 1 kW load, and no duty, meter rent, subsidy or arrears.
| Monthly units | Energy charge | Fixed / minimum | Customer charge | Estimated total |
|---|---|---|---|---|
| 50 units | ₹117.00 | ₹10.00 | ₹30.00 | ₹157.00 |
| 100 units | ₹304.50 | ₹10.00 | ₹45.00 | ₹359.50 |
| 200 units | ₹867.00 | ₹10.00 | ₹50.00 | ₹927.00 |
| 300 units | ₹1,673.25 | ₹10.00 | ₹55.00 | ₹1,738.25 |
Figures are unofficial estimates for a one-month period. Your official DISCOM bill remains authoritative.
How to read the result
Compare energy, fixed and customer charges separately with the matching lines on your bill. A small gap is often duty or meter rent. A large gap usually means a different category, load, or billing-period length.
Frequently asked questions
Are domestic slabs telescopic in Andhra Pradesh?
Yes. Each slab rate applies only to units in that band. Higher consumption does not reprice the cheaper units you already used.
Does this domestic calculator include subsidy?
No. State subsidies and arrears are not modelled. Enter billed units and load to estimate published energy, fixed and customer charges only.
Pay your AP electricity bill on official DISCOM sites
This website never collects payments. Use the official APSPDCL, APCPDCL or APEPDCL payment pages below.
Rates follow the APERC LT schedule effective 25 March 2026. Unofficial transcription. View AP FY 2026–27 tariff slabs · Calculate your AP commercial electricity bill