Electricity unit rate in Kolkata & Howrah (CESC) 2026
Here is the electricity unit rate in Kolkata & Howrah (CESC) on today’s WBERC tariff (order of 25 March 2025). Homes pay ₹5.18 to ₹9.21 a unit, by slab. With the fixed charge and the other lines, a home that uses 100 units a month pays about ₹6.78 a unit, and one that uses 300 units pays about ₹7.73 a unit.
- ₹5.18–₹9.21 a unit
- Billed monthly
- CESC
Rate a unit, by slab
| Units a month | Rate a unit |
|---|---|
| 1–25 | ₹5.18 |
| 26–60 | ₹5.69 |
| 61–100 | ₹6.70 |
| 101–150 | ₹7.45 |
| 151–200 | ₹7.62 |
| 201–300 | ₹7.62 |
| Above 300 | ₹9.21 |
Fixed charge: ₹5 Rs/kVA per month
The rate you pay after any subsidy that the tariff builds in.
Average cost a unit, with all charges
| Units a month | Bill a month | Average a unit |
|---|---|---|
| 50 | ₹326 | ₹6.53 |
| 100 | ₹678 | ₹6.78 |
| 150 | ₹1,081 | ₹7.21 |
| 200 | ₹1,493 | ₹7.47 |
| 300 | ₹2,318 | ₹7.73 |
| 500 | ₹4,311 | ₹8.62 |
Urban home, the calculator’s default options. Electricity duty and the monthly fuel surcharge are not in these figures unless the tariff builds them in.
Slab rate and average rate
- The slab rate is the price of one more unit in that slab.
- The average a unit is the whole bill divided by the units. It includes the fixed charge and the other lines, so it is usually higher than the slab rate.
- In a small bill, the fixed charge is a bigger share. So a home that uses few units pays more for each unit on average.
- When you use more units, more of them fall in the dearer slabs. So the average goes up again.
Unit rate in nearby states
West Bengal unit rate (the State discom).
Questions
What is the 1 unit electricity price in Kolkata & Howrah (CESC) in 2026?
The tariff rate is ₹5.18 to ₹9.21 a unit, by slab. With all the charges, a 100-unit month costs about ₹6.78 a unit and a 300-unit month about ₹7.73 a unit.
What is the Kolkata & Howrah (CESC) unit rate for 200 units?
About ₹7.47 a unit on average, with all the charges our calculator adds. The bill is about ₹1,493 a month.
Why is my average a unit higher than the slab rate?
The average a unit is the whole bill divided by the units. It includes the fixed charge and the other lines, so it is usually higher than the slab rate. In a small bill, the fixed charge is a bigger share. So a home that uses few units pays more for each unit on average.
Source
Rates checked 15 October 2026. Your discom’s bill has the final word.