Reduction of 4.40% in Electricity Tariffs Starting Monday
Starting next Monday, the 8th, consumers in Mato Grosso will experience an average reduction of 4.40% in their electricity bills. This reduction is the result of the most recent approval of the annual tariff adjustment by the National Electric Energy Agency (Aneel), which reflects the ongoing commitment to transparency and consumer well-being.
Tiago Vianna, president of the Union of Construction, Generation, Transmission, and Distribution of Electric Energy and Gas in the State of Mato Grosso (Sindenergia MT), emphasized that this adjustment is a direct reflection of improvements in efficiency and reduction of operational costs by the utility. “It is a matter of ethics and benefit for the final consumers that the savings achieved be passed on to them,” said Vianna.
Components of the Electricity Tariff
The average adjustment of -4.40% that comes into effect on April 8 directly impacts the composition of electricity tariffs in the state, both with and without taxes. Costs are distributed among energy, distribution, transmission, and sectoral charges, with specific variations depending on the inclusion of taxes such as ICMS.
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- Without Taxes:
- Energy Cost: 35.1%
- Distributor Cost: 37.3%
- Transmission Cost: 7.9%
- Sectoral Charges Cost: 19.7% (CDE 15.2%)
- With Taxes:
- Energy Cost: 27.4%
- Distributor Cost: 29.0%
- Transmission Cost: 6.1%
- Sectoral Charges Cost: 15.4%
- Tax Cost: 22.1% (ICMS 16.7%)
Tariff Review and Tariff Adjustment Explained
The Periodic Tariff Review (RTP) and the Annual Tariff Adjustment (RTA) are fundamental tariff processes in determining electricity rates, as outlined in the concession contracts. The RTA is a more simplified process that occurs in years without an RTP, adjusting the tariff by inflation minus the “X Factor,” which aims to incentivize the efficiency of distributors.
The RTP is a more comprehensive procedure that redefines efficient distribution costs, quality targets, and energy losses, as well as adjusts financial components that directly influence the final tariffs to consumers.
These processes ensure that electricity tariffs remain fair and proportional to the costs and investments made while encouraging continuous improvements in service and operational efficiency. Thus, Aneel and the involved agents reinforce their commitment to keeping energy accessible and of quality for all consumers in Mato Grosso.
Source: Stephanie Romero.

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