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A Simple Guide to Understanding KSEB Electricity Tariff Revisions from 2025 to 2027

Electricity bills are a regular part of life for every household and business in Kerala. When the Kerala State Electricity Board (KSEB) announces tariff revisions, many consumers find themselves confused about what changes to expect and how these will affect their monthly expenses. This guide breaks down the KSEB electricity tariff revisions planned for 2025 to 2027 in simple terms, helping you understand the key points and prepare for the changes ahead.


Eye-level view of a residential electricity meter installed on a wall
Residential electricity meter showing consumption

What Are Electricity Tariff Revisions?


Electricity tariffs are the rates charged by KSEB for the power consumed by customers. These rates can change periodically based on factors such as fuel costs, infrastructure investments, government policies, and inflation. Tariff revisions mean KSEB updates these rates, which can result in higher or lower bills depending on the new structure.


For Kerala residents, understanding these revisions is important because it directly impacts the KSEB Bill you receive every month. The revisions from 2025 to 2027 aim to balance the need for reliable power supply with fair pricing for consumers.


Key Changes in the 2025 to 2027 Tariff Revisions


The tariff revisions announced cover several aspects of electricity pricing. Here are the main points you should know:


1. Revised Slabs for Residential Consumers


KSEB uses a slab system where the price per unit of electricity varies depending on how much you consume. The new revision adjusts these slabs as follows:


  • Up to 50 units: Slight reduction in rate to encourage low consumption.

  • 51 to 150 units: Moderate increase to reflect rising costs.

  • 151 to 300 units: Higher increase to promote energy conservation.

  • Above 300 units: Steeper rates to discourage excessive use.


This means if your household uses less electricity, your KSEB Bill might be lower or similar to before. But if you consume more, expect a noticeable increase.


2. Changes in Commercial and Industrial Tariffs


Businesses and industries will see a revision in their tariff categories. The rates for peak hours will increase, encouraging off-peak usage to reduce load on the grid. Additionally, some incentives for energy-efficient practices will be introduced, such as discounts for using renewable energy sources.


3. Introduction of Time-of-Day Pricing


From 2026, KSEB plans to introduce time-of-day pricing for certain consumer categories. This means electricity used during peak hours (evenings) will cost more than during off-peak hours (late night or early morning). This system encourages shifting heavy electricity use to cheaper times, helping reduce overall demand.


4. Fixed Charges and Meter Rent Adjustments


Fixed monthly charges and meter rent will see a small increase to cover maintenance and infrastructure costs. These charges appear as a separate line item on your KSEB Bill and are not dependent on consumption.


How These Changes Affect Your Monthly KSEB Bill


Understanding the impact on your bill helps you plan your electricity use better. Here are some examples:


  • A family using 100 units per month may see a 5-7% increase in their bill due to slab rate changes.

  • A household consuming 350 units could face a 10-15% rise because of higher rates in the top slab.

  • Businesses using electricity during peak hours might pay 20% more unless they shift usage to off-peak times.


By knowing these details, you can take steps to reduce your consumption during expensive periods and save money.


High angle view of a Kerala household using energy-efficient appliances
Kerala home with energy-efficient appliances in use

What is Electricity Tariff?

Electricity tariff means the amount we pay for using electricity.

Your electricity bill mainly contains:

  • Energy Charge → Cost per unit consumed

  • Fixed Charge → Monthly service charge

  • Meter Rent & Other Charges

KSEB has slightly increased some charges and kept some categories unchanged.

Good News for Common People

1. No Tariff Increase for Very Small BPL Families

Families under BPL category using:

  • Connected load up to 1000 watts

  • Monthly usage up to 40 units

will continue paying only:

  • ₹1.50 per unit

  • No fixed charge


2. Free Electricity for Very Low Usage Homes

Homes with:

  • Connected load below 500 watts

  • Monthly usage up to 30 units

will not have to pay electricity charges.


3. Special Support for Cancer Patients & Disabled Persons

BPL families having:

  • Cancer patients OR

  • Persons with 40% or more disability

can get electricity at ₹1.50 per unit up to 100 units per month, if connected load is below 2000 watts.


New Domestic Electricity Rates (Home Users)

Below are the revised rates for normal house connections from April 2025.

Monthly Usage

Old Rate

New Rate

0–50 units

₹3.30

₹3.35

51–100 units

₹4.15

₹4.25

101–150 units

₹5.25

₹5.35

151–200 units

₹7.10

₹7.20

201–250 units

₹8.35

₹8.50


Fixed Charges Also Increased Slightly

Example:

  • Up to 50 units → ₹45 to ₹50

  • 101–150 units → ₹95 to ₹105


Important Change: Time-Based Charging (ToD Tariff)

KSEB is introducing Time of Day (ToD) tariff for domestic users consuming above 250 units monthly.

This means electricity price changes depending on the time you use power.

Day Time (6 AM – 6 PM)

  • 10% discount in energy charge

Peak Time (6 PM – 10 PM)

  • 25% extra charge

Night Time

  • Normal rate


Simple Example

If you use:

  • Washing machine during daytime → cheaper

  • Heavy appliances during evening peak time → expensive

So KSEB encourages people to use more electricity during daytime.

Solar Users Also Included

People using rooftop solar systems (prosumers) will also come under ToD tariff if monthly net consumption exceeds 250 units.


Agriculture Tariff Changes

LT V(A) Agriculture

Used mainly for farming and irrigation.

Revised Charges

  • Fixed charge remains ₹20 per kW

  • Energy charge increased from ₹2.35 to ₹2.40 per unit


LT V(B) Agriculture

Includes:

  • Dairy farms

  • Milk chilling units

  • Rubber sheet making

  • Agricultural shredding machines

Revised Charges

  • Fixed charge increased from ₹25 to ₹30

  • Energy charge unchanged at ₹3.40 per unit


Commercial Shop Tariff Changes

Small shops, hotels, internet cafes, etc. come under commercial category.

LT VII(B) Commercial

Revised Charges

Usage

Old Rate

New Rate

0–100 units

₹5.35

₹5.40

0–200 units

₹6.20

₹6.25

0–300 units

₹6.80

₹6.90

Fixed charge also increased slightly.


Industrial Tariff Changes

Industries under LT IV category got small increases.

LT IV(A) Industry

New Energy Charges

  • Small industries below 10 kW → ₹5.90/unit

  • 10–20 kW → ₹5.95/unit

  • Above 20 kW → ₹6.00/unit


Industries using electricity during daytime will get discount benefits under ToD tariff.

EV Charging Stations

Electric Vehicle public charging stations now have special tariff benefits.

Main Benefits

  • No fixed charge

  • Lower rate during solar hours (9 AM – 4 PM)

Charges

Time

Rate

Solar Hours

₹5.00/unit

Non-Solar Hours

₹9.30/unit


This encourages EV charging during daytime solar hours.

No Tariff Increase for Some Categories

KSEB has not increased tariff for several categories like:

  • Temporary connections

  • Some commercial HT consumers

  • EV charging stations fixed charges

  • Public charging stations

  • Infopark & Smart City licensees


Main Things Every Consumer Should Remember

Use More Power During Daytime

Because daytime electricity will become cheaper under ToD system.

Avoid Heavy Usage During Evening Peak Time

Especially between:

  • 6 PM to 10 PM

because charges will be higher.

Solar Power Becomes More Useful

People using solar systems can save more if they consume electricity during daytime.



Tips to Manage Your Electricity Costs Under the New Tariffs


Here are practical ways to keep your KSEB Bill manageable despite the tariff revisions:


  • Monitor your consumption: Use the KSEB online portal or app to track daily usage.

  • Shift heavy usage: Run washing machines, dishwashers, and other appliances during off-peak hours.

  • Use energy-efficient appliances: Replace old bulbs and devices with energy-saving models.

  • Limit unnecessary use: Turn off lights and fans when not needed.

  • Consider solar power: Installing solar panels can reduce grid dependence and lower bills.


What to Expect Next


KSEB will provide detailed tariff charts and calculators on their website before each revision takes effect. Consumers should review these updates and adjust their electricity habits accordingly. Public awareness campaigns will also help explain the changes in local languages.


If you have questions about your KSEB Bill or the tariff revisions, KSEB customer service centers and online support are available to assist.



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