The plan foresees the country's internal energy supply growing at an average of 2.3% per year through 2027.
Ministry of the Environment (MMA) announced Resolution No. 1416/2018 that establishes a list of establishments potentially affected by the tax.
Rio de Janeiro-based Equatorial was the only company to present a bid for Alagoas state distributor Ceal at an auction on Friday.
Rates for industrial, service and commercial sectors remain relatively stable for January after a sharp drop in December.
The funds will be used to bankroll the company's 2018-19 investment plan.