The Regulatory Commission has intervened to reduce the security deposit amounts required from rooftop solar prosumers by the Kerala State Electricity Board (KSEB). Following complaints regarding high-cost bills, the commission ruled that deposits must now be calculated based on the average of two months’ electricity usage to prevent excessive charges for solar users.
Why did the Regulatory Commission intervene?
The intervention follows reports that KSEB issued instructions for prosumers to pay security deposits based on double their average monthly total electricity usage. This move led to significant complaints being filed with the Regulatory Commission after many users received messages for unexpectedly high payments.

According to the source, KSEB uses security deposits to mitigate potential losses that could occur if a user fails to pay their electricity bill. These deposits are reviewed and updated by KSEB on an annual basis.
How will the new security deposit be calculated?
Under the new directive, the security deposit for solar prosumers should only be an amount equivalent to the average of two months’ electricity usage. This replaces the previous method that caused financial friction for many users.
Previously, the calculation for users receiving bills every two months involved taking the average bill from the preceding April-to-March period and requiring a deposit of three times that amount. For monthly bill users, the requirement was double the average bill from that same period.
What happens to the fixed charges and net metering?
The commission clarified that the calculation for fixed charges remains unchanged. These charges continue to be determined based on either the total electricity consumption or the connected load of the user.

For prosumers utilizing net metering, the monthly energy charge is determined by the balance of electricity imported from the grid and electricity exported from the solar plant to the grid. If the amount of electricity imported is greater than the amount exported, an energy charge is applied to the excess units used.
As a result of this ruling, KSEB is likely to adjust its billing and collection processes to ensure that solar prosumers are charged in accordance with the new two-month average standard.
Frequently Asked Questions
What is the new security deposit rule for solar users?
The security deposit must now be an amount equivalent to the average of two months’ electricity usage.
Does this decision change the fixed electricity charges?
No, the fixed charge calculation remains unchanged and continues to be based on total electricity usage or the connected load.
How is the energy charge calculated for net metering prosumers?
The energy charge is calculated by subtracting the electricity exported to the grid from the electricity imported from the grid; a charge applies if imports exceed exports.
How do you feel about the revised security deposit requirements for solar energy users?
