The incident happened at around 6 am on Tuesday at Thannippara in Karuanppuram in Kambamettu police station limit.
It will be implemented with retrospective effect from November 1.
The supply deals, struck in 2014 when the UDF was in power, allowed KSEB to import 465 MW power at a price ot more than Rs 4.29 per unit for 25 years.
Kerala Electricity Regulatory Commission has issued an order citing current tariff will continue; KSEB had proposed an average increase of upto Rs 41 paise per unit.
The accused Anand Kumar saw the bodies lying in the field on Monday morning. However, he cut off the current supply to the trap and returned home. Later that night, he came back to bury the bodies.
The prevailing power rates are valid till September 30.
The state is left with no option but to buy power from the private parties so as to avoid load shedding.
On Friday, KSEB in its official Facebook page also urged the consumers to cooperate with the board by limiting the consumption from 7 pm to 11 pm.
The electricity board has hinted that it might be forced to impose load shedding in the present scenario.
The official sources hinted that a high-level meeting is scheduled for September 4 to analyse the power crisis in the state.