thiruvananthapuramkochi kerala state electricity regulatory commission on thursday announced tariff revision for consumers across the board in the state with retrospective effect from july 1 2012 its after 10 years that the state is facing comprehensive revision of power tariff the revision amounts to an average 30 increase in tariff for consumers of all categories the revision will give kerala state electricity board an additional income of rs 167684 crore the overall average increase in tariff is 302 the average cost of supplying one unit of electricity is rs 464 even after the hike kseb would be able to meet only 95 of its cost per unit of electricity the amount that the board would get from its consumers is rs 440unit in the posttariff revision even after the revision the average tariff of domestic consumers is fixed at rs 280 per unit which is only 60 of the cost incurred by the board for per unit of electricity the commission said according to the commission the tariff of domestic consumers was designed to have a minimal impact on responsible consumers who restrict their consumption within reasonable limits however for unrestrained consumption the increase is sharper though there are about 85 lakhs domestic consumers in the state only about 95 lakhs consume more than 200 units per month the number of consumers who use more than 500 units per month is 24000 the commission did not accept ksebs proposal for introducing fixed charges based on consumption patterns instead it permitted the board to collect rs 20 as fixed charge from consumers having single phase connection and rs 60 per month for three phase consumers however consumers having an average monthly consumption of less than 40 units per month are exempted from fixed charges for the first time the commission allowed kseb to introduce the concept of timeofday tod tariff in domestic sector from january 1 2013 as per tod all domestic users with average consumption of more than 500 units per month will have to pay more price for the power they consume during peak hours ie from 6 pm to 10 pm all industrial consumers with a connected load of more than 20 kw also will have to move over to tod tariff with effect from january 1 2013 for commercial consumers the commission reduced the tariff proposed by kseb for lower levels of consumption but imposed higher rates for higher consumption which according the commission was done as a signal for initiating conservation and demand side management dsm for consumers in heavy commercial category who consume more than 30000 units month the tariff was increased to rs 550 per unit from rs 370 the demand charge per kva has also been increased to rs 400 from the current rs 350 star hotels private hospitals airports business houses and selffinancing educational institutions come under this ht iv commercial category as per the revision electricity tariff rate for agriculture activities would increase from the existing rs 130 per unit to