1.5 ton AC electricity bill in Tamil Nadu

What a 1.5 ton AC adds to a Tamil Nadu electricity bill, at TNPDCL’s current slab rates, for 3-star and 5-star models.

Inputs, results, working, link and sources, on your device.

3 star, 8 h a day294 unitsa month

Adds to your bill₹2,612a month, home already on 150 units

Monthly cost in Tamil Nadu

Tamil Nadu bills every two months. Duty and fuel surcharge not included.

Use	3 star units	Adds (on 150 units)	Adds (on 300 units)	5 star units	5 star adds (on 150)
4 h a day	147	₹1,180	₹1,438	113	₹894
6 h a day	221	₹1,876	₹2,238	170	₹1,394
8 h a day	294	₹2,612	₹3,081	226	₹1,923
10 h a day	368	₹3,408	₹3,935	283	₹2,496
12 h a day	442	₹4,263	₹4,790	339	₹3,084

Run the Tamil Nadu bill calculator with your own units to see the slab you are in and any line just ahead. Tariff changes in Tamil Nadu.

A home already on 150 units a month, priced under each state’s tariff. Tamil Nadu is shown in bold.