A ANEEL approved, this Wednesday (22), the Opening of Public Consultation 009/2026 with a 45-day deadline to discuss new rules aimed at distributed generation (DG), including measures to address energy surpluses and technical irregularities in the system.
The decision reignites the debate about the possibility of cuts in distributed generation (DG), a topic that had already been discussed internally by the Regulatory Agency since the drafting of the... Technical Note 148/2025, published at the end of last year.
According to the document, the proposal is not limited to the possibility of restricting generation, but includes a set of actions for "handling surplus energy and greater operational flexibility in the Distribution Network".
Among the main points is the creation of instruments for coordination between the ONS (National System Operator) and the distributors. In this context, the text mentions the development of a "Plan for Managing Surplus Energy in the Distribution Network," aimed at the joint action of the agents in critical situations.
The Technical Note also makes it clear that, in certain scenarios, reducing generation may be necessary. According to the document, in recent events "it was necessary to restrict almost all generation under centralized supervision".
In these cases, "once conventional resources are exhausted, the only alternative to guarantee the security of the SIN (National Interconnected System) would be the physical shutdown of distributed generation plants," points out the... ANEEL.
It is worth highlighting that any restrictions, if implemented, would occur through physical generation cuts (when generation is effectively interrupted), and not accounting cuts (when energy is generated but not compensated for in the electricity bill), since the latter do not find regulatory support in the current model.
Combating illegal expansions
Beyond the operational issue, the ANEEL The document also reinforces the fight against irregularities in the sector. In one of the cases cited, a system authorized for 75 kW recorded injections exceeding 140 kW, indicating a possible increase in power without the distributor's approval.
In this sense, the document mentions the need to "combat unauthorized alterations to the original characteristics of the distributed generation plant." However, the Technical Note does not characterize any potential cuts in distributed generation as a permanent policy, associating the measure with specific situations related to the operational safety of the electrical system.
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