37. THE ANNUAL TARIFF ADJUSTMENT	12 Months Ended
Dec. 31, 2019
Disclosure Of Financial Assets And Financial Liabilities With The Tariff Adjustments [abstract]
THE ANNUAL TARIFF ADJUSTMENT	37. THE ANNUAL TARIFF ADJUSTMENT On May 28, 2019, the regulator (Aneel) approved the Annual Tariff Adjustment for Cemig D. This provided a tariff increase of 8.73%, whereas 1.60% corresponded to Cemig D’s manageable costs (Portion B) and the remaining portion, of 7.13%, has zero economic effect, not affecting profitability, since it represents direct pass-through, within the tariff, relating to the following items: (i) increase of 0.34% in non-manageable (‘Parcel A’) costs – mainly purchase of energy supply and transmission charges; (ii) ) increase of 9.24% in the financial components of the current process, led by the CVA currently being processed, which had an effect of 10.79%; and (iii) 2.45% was withdrawn from the financial components of the prior process. The increase is in effect from May 28, 2019 to May 27, 2020.

37. THE ANNUAL TARIFF ADJUSTMENT

12 Months Ended

Dec. 31, 2019

Disclosure Of Financial Assets And Financial Liabilities With The Tariff Adjustments [abstract]

37. THE ANNUAL TARIFF ADJUSTMENT

On May 28, 2019, the regulator (Aneel) approved the Annual Tariff Adjustment for Cemig D. This provided a tariff increase of 8.73%, whereas 1.60% corresponded to Cemig D’s manageable costs (Portion B) and the remaining portion, of 7.13%, has zero economic effect, not affecting profitability, since it represents direct pass-through, within the tariff, relating to the following items: (i) increase of 0.34% in non-manageable (‘Parcel A’) costs – mainly purchase of energy supply and transmission charges; (ii) ) increase of 9.24% in the financial components of the current process, led by the CVA currently being processed, which had an effect of 10.79%; and (iii) 2.45% was withdrawn from the financial components of the prior process. The increase is in effect from May 28, 2019 to May 27, 2020.