CESC Ltd. (Calcutta Electric Supply Corporation) supplies power to 1+ districts including parts. Use this page to check CESC (Kolkata)'s 2025-26 tariff and calculate your provisional bill.
CESC Ltd. (Calcutta Electric Supply Corporation)
Service area: Kolkata city, Howrah, Hooghly (parts)
2025-26Kolkata city, Howrah, Hooghly
Tariffs last updated: 27 August 2026
About CESC (Kolkata)
Areas served by CESC (Kolkata)
CESC (Kolkata) (CESC Ltd. (Calcutta Electric Supply Corporation)) distributes electricity across Kolkata city, Howrah, Hooghly, serving 1 key district and town including parts.
parts
CESC (Kolkata) at a glance
Distribution company
CESC Ltd. (Calcutta Electric Supply Corporation)
Short name
CESC (Kolkata)
State / UT
West Bengal
Districts / cities served
1+ — parts
Rates status
Based on the 2025-26 tariff order (latest published data we have)
Domestic energy rate
₹4.07 – ₹9.21 per unit
Current CESC (Kolkata) tariff (2025-26)
Rate G — LT Domestic
Supply type
Energy charge
Fixed charge
Duty & other
Domestic (Urban) — Rate G
0 – 25units₹5.18/unit
25 – 60units₹5.69/unit
60 – 100units₹6.70/unit
100 – 150units₹7.45/unit
150 – 200units₹7.62/unit
200 – 300units₹7.62/unit
Above 300units₹9.21/unit
₹15/kVA/mo
—
Life Line (Domestic) — Rate G(LL)
Above 0units₹4.07/unit
₹5/kVA/mo
—
Who each rate applies to
Domestic (Urban) — Rate G
The ordinary CESC household tariff: seven telescopic bands from ₹5.18 to ₹9.21, on a ₹15/kVA/month fixed charge.
Life Line (Domestic) — Rate G(LL)
For eligible low-consumption households only, capped at 25 units a month: ₹4.07/unit on a ₹5 fixed charge.
ℹ️ CESC's domestic tariff is telescopic across seven published bands. The fixed charge is ₹15 per kVA per month — CESC states it in Rs/kVA, and it becomes a demand charge once contract demand reaches 50 kVA. Bills also carry a Monthly Variable Cost Adjustment (MVCA), which WBERC trues up and which is not modelled here, and statutory levies such as electricity duty which note 12 of the schedule places outside the tariff.
Rate M — LT Commercial & others
Supply type
Energy charge
Fixed charge
Duty & other
Commercial (Urban) — Rate M(i)
0 – 60units₹6.57/unit
60 – 100units₹7.24/unit
100 – 150units₹7.93/unit
150 – 300units₹8.49/unit
Above 300units₹9.26/unit
₹24/kVA/mo
—
Cottage industry / artisan / weavers — Rate M(ii)
0 – 100units₹5.82/unit
100 – 200units₹7.01/unit
Above 200units₹8.46/unit
₹24/kVA/mo
—
Government / Government-aided schools — Rate P1
Above 0units₹5.24/unit
₹12/kVA/mo
—
Private educational institutions and hospitals — Rate L
Above 0units₹7.32/unit
₹42/kVA/mo
—
Industries (Urban) — Rate K
0 – 500units₹6.77/unit
500 – 2,000units₹7.47/unit
2,000 – 3,500units₹7.87/unit
Above 3,500units₹8.07/unit
₹50/kVA/mo
—
Who each rate applies to
Commercial (Urban) — Rate M(i)
Shops and offices: five telescopic bands from ₹6.57 to ₹9.26 on ₹24/kVA/month. An optional Time-of-Day scheme is available at the same fixed charge.
Cottage industry / artisan / weavers — Rate M(ii)
Small production units not run by electricity as motive power: ₹5.82 for the first 100 units, ₹7.01 for the next 100, ₹8.46 above 200.
Government / Government-aided schools — Rate P1
₹5.24 on all units at a ₹12/kVA/month fixed charge — the cheapest non-lifeline rate CESC publishes.
Private educational institutions and hospitals — Rate L
₹7.32 on all units at ₹42/kVA/month.
Industries (Urban) — Rate K
₹6.77 for the first 500 units, ₹7.47 for the next 1500, ₹7.87 for the next 1500 and ₹8.07 above 3500, on ₹50/kVA/month.
ℹ️ CESC publishes a long list of LT categories; the ones modelled here are selectable above. Most non-domestic categories also offer an optional Time-of-Day or prepaid scheme at the same fixed charge, which is not modelled. MVCA and statutory levies are extra.
Estimate your CESC (Kolkata) bill
Enter your units and sanctioned load for an itemised CESC (Kolkata) estimate. The result breaks
the bill into energy charge, fixed or demand charge, FPPA, duty,
and late-payment surcharge where applicable.
Domestic supply. The bracket in each option is the eligibility
limit — pick the one your connection actually falls under, because the rates differ
sharply between them. For commercial supply, time-of-day, solar export or arrears, the
full calculator carries every field.
CESC (Kolkata) FPPA — latest verified rate and trend
Latest verified CESC (Kolkata) FPPA (Fuel and Power Purchase Adjustment)
Typical domestic examples for a 2 kW Rate G — LT Domestic connection, computed with the same engine as the calculator. Use them as a quick sanity check; your actual bill changes with sub-category, arrears, FPPA, duty and billing-period length.
The slab-wise price of the units consumed during the billing period. In telescopic slabs, each band is billed at its own rate.
Fixed charge
A monthly charge linked to sanctioned load, connected load, billing demand or consumer category. It applies even when usage is low.
Electricity duty
A statutory government levy. Depending on the state, it may apply on energy charges, fixed charges, or selected bill components.
FPPA (Fuel and Power Purchase Adjustment)
Fuel and power-purchase adjustment. It changes more often than the base tariff and may appear as a charge or a credit.
Arrears
Unpaid balance, corrections, security-deposit adjustments or previous-cycle amounts carried into the current bill.
LPSC
Late Payment Surcharge on overdue amounts. Check the due date and pay through the official DISCOM channel to avoid it.
Frequently asked questions
How do I calculate my CESC (Kolkata) electricity bill?
Open the CESC (Kolkata) bill calculator, enter your units consumed and sanctioned load, and it applies the 2025-26 CESC (Kolkata) slab rates, fixed charge and other charges to produce an itemised provisional bill.
Which areas and cities does CESC (Kolkata) serve?
CESC (Kolkata) (CESC Ltd. (Calcutta Electric Supply Corporation)) supplies electricity to Kolkata city, Howrah, Hooghly — parts.
What is the cheapest domestic electricity rate on CESC (Kolkata)?
CESC (Kolkata)'s domestic energy charge starts at ₹4.07 per unit and rises to ₹9.21 per unit in the highest slab (Rate G — LT Domestic), plus a monthly fixed charge (latest available estimate). The full slab table is above.
CESC (Kolkata) consumer services
These services are provided by CESC (Kolkata) or the official state/DISCOM portal, not by TheDiscomBill. Use this block as a practical route map before you leave for the official site.
Pay bill or download bill
Use DISCOM services helper for the final bill, receipt and payment status. The calculator here is only for checking whether the charge lines look reasonable.
For supply, billing or meter complaints, use the official complaint portal first and keep the complaint number. The common electricity helpline in India is 1912 where supported by the state or DISCOM.
Apply for a new connection, ownership update or sanctioned-load change through the official portal. Match the load you apply for with the fixed-charge section in the tariff table below.
Figures are provisional estimates built on publicly available West Bengal tariff orders. Always verify against your official CESC (Kolkata) bill — rates vary by sub-category, slab and city.