The Lankadeepa newspaper said there was speculation of a 20 percent reduction in the increase for users below 150 units.
The report said President Mahinda Rajapaksa was unhappy at the increase amid rising opposition.
Sri Lanka has an established tariff methodology, which has been observed in the breach, but following a public hearing the island's power regulator did not make any changes to the final proposed tariffs of the power utility as expected.
Opposition legislator Harsha de Silva slammed the regulator accusing it of bowing to pressure by agreeing to meet the President and key officials on the eve of the tariff decision, saying users below 48 units who were 'electricity poor' should be insulated.
More than 90 power consumers from as far as Jaffna came to the hearing and its inability to apparently