The Ministry of Finance, through the Secretariat for Economic Reforms, Sub-Secretariat for Economic Monitoring and Regulation, sent a letter to ANEEL (National Electric Energy Agency) suggesting the inclusion of MMGD (Micro and Mini Distributed Generation) in the mechanisms for generation reductions and limitations, known in sector jargon as curtailment.
The letter signed by Marcos Pinto, Secretary of Economic Reforms at the Ministry of Finance, refers to the 3rd phase of the Public Consultation ANEEL No. 45/2019, which aims to gather subsidies to establish the operational criteria for reducing or limiting generation (constrained-off).
The document is dated June 18 and was sent this Thursday (26) to Agnes Costa, director and rapporteur of Public Consultation No. 45/2019, and to Alessandro Cantarino, superintendent of Generation Regulation at ANEEL.
In the letter, the secretary says that MMGD “plays a relevant role in the composition of the energy supply at a national level, influencing the curtailment maneuvers carried out by the ONS.
In his assessment, the increase in installed capacity MMGD leads to excess generation at certain times of the day, requiring the Operator to make adjustments to the production of other plants to balance supply and demand.
Currently, only centralized solar and wind power plants are subject to these restrictions. According to the secretary, it is necessary to ensure greater regulatory equity, which allows decentralized generation, i.e. MMGD, to also participate in the limitation and division mechanisms proposed in Public Consultation No. 45/2019.
The proposal signed by the secretary suggests the adoption of accounting adjustments in the SCEE (Electric Energy Compensation System), considering generation cuts motivated by energy reasons.
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ONS says curtailment is likely to become even more prevalent in the coming years
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