Inflow into reservoirs of hydroelectric stations has been far short of the normal quantum as the monsoon failed to sustain momentum despite gaining strength in different spells.
According to Indian Meteorological Department director K Santhosh, the state received 66 cm rainfall till today against the normal 94 cm it should have received from June first week.
The normal rainfall to be received by Kerala in the four month South West monsoon season is 204 cm.
"Monsoon has been weak due to a host of factors. Though there were some active spells, they also got weakened as they could not maintain the required momentum.This has resulted in absence of continuous rainfall, as should have happened in normal course", the IMD official told PTI.
State Electricity board sources said reservoirs have recorded the lowest seasonal inflow in recent times this year as there has been a sharp fall in catchment areas, especially upland Idukki district, where the largest hydel electricity projects are located.
Its estimate is inflow has so far been equivalent to 618 million units of power as against 1436 million last year.
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