11 May 2025

Kerala introduces unique rate chart for smart EV charging

Electric vehicles (EVs) are gaining popularity across India, with the central government offering multiple incentives to boost their adoption but Kerala has come up with a unique rate chart for smart EV charging.
 
In response to the Centre’s sustainability push, several companies in India are building fast-charging stations across major cities to strengthen the EV infrastructure.

Kerala Introduces unique rate chart for smart EV charging
Charging an EV in Kerala will be 30 per cent cheaper
between 9 am to 4 pm -- Photo: Ruvic Power.

However, Kerala has a different approach to manage electricity usage for EVs.
 
The Kerala State Electricity Regulatory Commission (KSERC) has announced new time-of-day (ToD) billing regulations for electric vehicle charging, aimed at promoting the use of solar energy and balancing power demand.
 
 
New EV charging rules in Kerala
 
Under the new rules, EV owners in Kerala will now pay different rates depending on the time of day they charge their vehicles.
 
The KSERC has divided the day into two zones for EV charging:
 
Solar Period (9 am to 4 pm): Charging during this time will be 30 per cent cheaper than the normal rate.
 
Non-Solar Period (4 pm to 9 am): Charging during this period will be 30 per cent more expensive than the normal rate.
 
 
For example, if the regular EV charging cost is Rs 100:
 
Charging during the solar period will cost Rs 70
 
Charging during the non-solar period will cost Rs 130
 

Why the change in EV charging rules?
 
The aim of this new tariff system is to encourage EV users to charge their vehicles when solar power generation is at its peak.
 
This will help the state make better use of clean energy and reduce strain on the electricity grid during high-demand hours. 
 
Kerala receives abundant sunlight during the day, and the state government wants to promote the use of green energy.
 
By offering cheaper rates during sunlight hours, the state hopes to:
 
Lower dependence on non-renewable sources
 
Balance electricity demand throughout the day
 
Support the state’s push towards sustainable and clean energy
 
 
Previous versus new time zones
 
Earlier, Kerala followed a three-zone ToD billing system:
 
6 am to 6 pm
 
6 pm to 10 pm
 
10 pm to 6 am
 
 
With the new change, the state will now follow only two time zones for EV charging:
 
9 am to 4 pm (Solar)
 
4 pm to 9 am (Non-Solar)
 
This simplified structure makes it easier for EV users to understand and plan their charging times.
 
 
Impact on EV users and road travellers
 
For daily commuters and road trippers who depend on public charging stations, the new rule will have both pros and cons.
 
Those who can charge during the day will save money, while night-time or early morning chargers will face higher bills.
 
This shift means EV users in Kerala must now be more mindful of charging times to avoid extra costs.
 
While this may not significantly affect those using EVs for short distances or home charging, it could impact commercial EV users and long-distance travellers more.

 

E-Vroooom’s views
 
Kerala’s new EV charging policy is a step towards smarter energy management and sustainability.
 
By encouraging people to charge their vehicles during sunlight hours, the state is not only reducing pressure on the power grid but also promoting the use of renewable energy.
 
Charging smart with the unique rate chart can now save you money — and help the planet.

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