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Home / Archives for May 27, 2026

News and articles from 27 May 2026

Canal Solar - ONS confirms it has already structured the technical basis for the battery auction, which is still awaiting approval from the Ministry of Mines and Energy.
  • 27 May 2026

ONS confirms it has already structured the technical basis for the battery auction, which is still awaiting approval from the MME (Ministry of Mines and Energy).

Information was released by representatives of the Operator itself during WEG EPC Day 2026.
Canal Solar - ONS confirms it has already structured the technical basis for the battery auction, which is still awaiting approval from the Ministry of Mines and Energy.
  • Politics & Regulation

ONS confirms it has already structured the technical basis for the battery auction, which is still awaiting approval from the MME (Ministry of Mines and Energy).

Information was released by representatives of the Operator itself during WEG EPC Day 2026.
El Niño could raise energy prices and trigger red flags.
  • 27 May 2026

El Niño could raise energy prices and trigger red flags.

The main effects of the climate phenomenon on the electricity sector are increased energy consumption and reduced rainfall.
El Niño could raise energy prices and trigger red flags.
  • Public security

El Niño could raise energy prices and trigger red flags.

The main effects of the climate phenomenon on the electricity sector are increased energy consumption and reduced rainfall.
The president of IBP argues that the oil sector should be an ally of renewables.
  • 27 May 2026

The president of IBP argues that the oil sector should be an ally of renewables.

The Brazilian Institute of Petroleum, Gas and Biofuels advocates for regulatory security and the expansion of clean fuel sources.
The president of IBP argues that the oil sector should be an ally of renewables.
  • International market

The president of IBP argues that the oil sector should be an ally of renewables.

The Brazilian Institute of Petroleum, Gas and Biofuels advocates for regulatory security and the expansion of clean fuel sources.
TBEA presents solar technologies and smart storage at SNEC 2026.
  • 27 May 2026

TBEA presents solar technologies and smart storage at SNEC 2026.

The company will showcase digital platforms, inverters, and integrated systems for various energy applications.
TBEA presents solar technologies and smart storage at SNEC 2026.
  • International market

TBEA presents solar technologies and smart storage at SNEC 2026.

The company will showcase digital platforms, inverters, and integrated systems for various energy applications.
Canal Solar - Consumers in Minas Gerais will see an increase in their electricity bill.
  • 27 May 2026

Electricity bills rise in Minas Gerais after ANEEL approve the 16th tariff adjustment of the year

ANEEL It also authorized the opening of a public consultation to discuss the 16,91% increase in Santa Catarina.
Canal Solar - Consumers in Minas Gerais will see an increase in their electricity bill.
  • Politics & Regulation

Electricity bills rise in Minas Gerais after ANEEL approve the 16th tariff adjustment of the year

ANEEL It also authorized the opening of a public consultation to discuss the 16,91% increase in Santa Catarina.
Canal Solar - The Public Prosecutor's Office of Minas Gerais will be supplied with solar energy from Cemig Sim
  • 27 May 2026

The Public Prosecutor's Office of Minas Gerais will be supplied with solar energy from Cemig Sim.

Adopting a subscription-based solar energy model should generate annual savings of R$ 1,2 million for the public agency.
Canal Solar - The Public Prosecutor's Office of Minas Gerais will be supplied with solar energy from Cemig Sim
  • Sustainability & ESG

The Public Prosecutor's Office of Minas Gerais will be supplied with solar energy from Cemig Sim.

Adopting a subscription-based solar energy model should generate annual savings of R$ 1,2 million for the public agency.
Canal Solar - Brazil should have energy storage regulations finalized by July, says ABSOLAR
  • 27 May 2026

Brazil should have its energy storage regulations finalized by July, he says. ABSOLAR

The association states that defining the rules will be crucial to unlocking the battery market in the country.
Canal Solar - Brazil should have energy storage regulations finalized by July, says ABSOLAR
  • Politics & Regulation

Brazil should have its energy storage regulations finalized by July, he says. ABSOLAR

The association states that defining the rules will be crucial to unlocking the battery market in the country.
  • 27 May 2026

Aldo Solar officially launches the VOLT platform for the photovoltaic market.

The company is betting on a digital tool that focuses on speed, practicality, and autonomy for solar integrators.
  • Market & Investments

Aldo Solar officially launches the VOLT platform for the photovoltaic market.

The company is betting on a digital tool that focuses on speed, practicality, and autonomy for solar integrators.
ANEELDecree No. 1000/2021 recognizes the need for systemic impact studies for the connection of distributed generation. However, the regulator itself has also explicitly recognized: Systems without export; Control of injected power; Dynamic limiting mechanisms; “Zero grid” operation. In other words, the Brazilian regulatory framework already allows modern systems to operate without causing the impacts traditionally associated with conventional distributed generation. This point is crucial. CPFL itself officially recognizes zero-grid systems. The discussion becomes even more relevant when one analyzes the distributor's own technical documentation. GED DIST-19397-2025 explicitly recognizes: Hybrid systems; Storage systems; Export control; Energy arbitrage; Islanded operation; Zero-grid functionalities. The standard explicitly states that "such arrangements must not allow the injection of active power into the distributor's electrical grid; that is, they must supply the local load and have zero-grid functionality." This section has enormous technical and regulatory relevance. It demonstrates that: The technology is recognized; The operational concept exists; The distributor formally acknowledges its functionality. Moreover, GED states: "hybrid systems have become an excellent solution for integrating MMGDs" and adds: "mainly with the aim of avoiding flow reversal." This is perhaps one of the most important points in the entire discussion. The distributor's own technical standard officially recognizes that batteries, EMS, export control, and hybrid systems can function precisely as mitigating mechanisms for the main basis currently used for denying access: flow reversal. The technical paradox: Here arises an extremely relevant regulatory paradox. If: Reverse flow is the problem; And batteries can mitigate it; And zero-grid systems do not export active power. Why are these systems becoming progressively unviable? From a technical standpoint, a modern hybrid system behaves profoundly differently from a conventional photovoltaic power plant. While traditional systems: Generate passively; Export surpluses automatically; Possess low operational intelligence. Hybrid systems: Monitor flow instantly; Adjust generation in real time; Control export; Charge batteries; Reduce injection; Respond dynamically to local load. In many cases, the battery ends up absorbing the surplus energy that would previously have been exported to the grid. In other words, distributed storage can act not as an aggravating factor, but as a mitigating solution to the systemic impacts of distributed generation. And this is acknowledged by CPFL's own GED (General Data Processing) department. CPFL's Manual 150217/2025 and the modeling of flow reversal studies. Perhaps the most sensitive point of the discussion lies in the analysis methodology currently used. The CPFL's "Instruction Manual for Estimated and Connection Budget Analysis for Micro and Mini Distributed Generation Systems" describes in detail: Power flow studies; Load modeling; Generation curve modeling; Flow reversal analysis criteria. The document makes it clear that the studies use: Typical curves; Statistical averages; Presumed generation; Standardized consumption and generation profiles. The methodology considers: Average curves; Historical profiles; Statistical modeling; Aggregate consumer behavior. This is perfectly normal in electrical engineering. The problem arises when this same methodology is used to evaluate intelligent hybrid systems with dynamic behavior. Intelligent systems being analyzed as passive generation. The manual itself barely goes into detail about: Dynamic EMS modeling; Instantaneous export control; Intelligent battery dispatch; Transient behavior of SAEs; Operational logic of "zero export". In practice, this raises an extremely relevant technical hypothesis: the studies currently being used may still be modeling modern hybrid systems as if they were conventional passive photovoltaic generation. This distinction is enormous. Because a system with EMS, battery, millisecond response, dynamic control, and instantaneous export limitation does not behave equivalently to a conventional photovoltaic system. This is perhaps the main technical discussion in the Brazilian distributed electricity sector today. The requirement for approvals without a clear public procedure. Another critical point is the increasing number of reported requirements related to the certification of: EMS; Hybrid inverters; “Zero export” systems; Export controllers. In principle, demanding technical safety is legitimate. However, the problem arises when: There is no transparent public procedure; There is no consolidated public list; There are no officially defined laboratories; There are no widely publicized criteria; There are no clear analysis deadlines. In practice, this creates a situation that is potentially impossible to fulfill. And here another extremely relevant aspect emerges: GED DIST-19397-2025 itself apparently does not establish a formal system of mandatory prior approval in the operational format reported by the market. The document primarily requires: Proof of functionality; Tests; Technical documentation from the manufacturer. GED establishes “tests or a supplier statement that proves the system's operation” and “tests or a supplier statement that proves the system's operation if it operates in a way that limits injected power”. This suggests that: The normative logic is centered on technical verification; not necessarily on discretionary approvals without clear public operationalization. GED 15303 and the issue of microgeneration Another relevant point is that GED 15303 itself recognizes the regulatory limits defined byANEELANEELZero grid is recognized; the distributor recognizes hybrid systems; distribution networks recognize batteries as mitigating reverse flow; but simultaneously: projects cease to be approved; requirements become practically impossible; criteria cease to be transparent; the market loses predictability. This creates a scenario that could potentially be characterized as an indirect technological blockade. And this has profound impacts. The economic impact of distributed storage lock-in: The distributed storage market represents: Modernization of electrical infrastructure; Increased resilience; Support during blackouts; Mitigation of peak loads; Reduced demand; Greater systemic stability; National technological advancement. Furthermore, this is a sector intensive in: Engineering; Software; Automation; Power electronics; Technical qualification. Its practical infeasibility could: Deter investment; Reduce competitiveness; Eliminate jobs; Delay innovation; Delay Brazil's energy transition. The apparent divergence between standard and operational practice: A joint reading of REN 1000, PRODIST, CPFL's GEDs, and Manual 150217/2025 suggests a possible divergence between the normative recognition of the technology and the practical operationalization of the connection process. The standards recognize hybrids, "zero grid," energy arbitrage, reverse flow mitigation, and EMS. But the market reports widespread negatives, regulatory uncertainty, lack of predictability, and opaque criteria. This scenario generates increasing litigation, market contraction, legal uncertainty, and a deterioration of regulatory confidence. The sector needs clarity, not a lack of rules. The debate should not be conducted as a matter of "liberating everything" or "eliminating technical criteria." The sector needs objective criteria, methodological transparency, predictability, auditable procedures, and alignment between standards and operational practice. If "zero export" systems require specific validation, then the market needs to know the criteria, the required tests, the accepted laboratories, the approved equipment, the processes, and the deadlines. Without this, an environment incompatible with regulatory security is created. In conclusion, the debate about hybrid systems and distributed storage is no longer just a technical discussion. It came to represent a strategic discussion about innovation, energy decentralization, modernization of the electricity sector, technological competitiveness, and the future of the Brazilian energy transition. CPFL's own technical documentation demonstrates that: The technology is recognized; The "zero grid" concept exists; Batteries are accepted as mitigating factors for reverse flow; Hybrid systems have regulatory support. Therefore, the main question no longer seems to be "whether the technology can exist". The central discussion then becomes: how to prevent technical requirements lacking transparency, clear public procedures, or methodological adaptation from ultimately functioning, in practice, as silent mechanisms to block the distributed storage market in Brazil. The silent blocking of distributed storage in Brazil
  • 27 May 2026

The silent blocking of distributed storage in Brazil

How technical requirements lacking regulatory transparency may be making hybrid systems, batteries, and zero-grid technologies unfeasible.
ANEELDecree No. 1000/2021 recognizes the need for systemic impact studies for the connection of distributed generation. However, the regulator itself has also explicitly recognized: Systems without export; Control of injected power; Dynamic limiting mechanisms; “Zero grid” operation. In other words, the Brazilian regulatory framework already allows modern systems to operate without causing the impacts traditionally associated with conventional distributed generation. This point is crucial. CPFL itself officially recognizes zero-grid systems. The discussion becomes even more relevant when one analyzes the distributor's own technical documentation. GED DIST-19397-2025 explicitly recognizes: Hybrid systems; Storage systems; Export control; Energy arbitrage; Islanded operation; Zero-grid functionalities. The standard explicitly states that "such arrangements must not allow the injection of active power into the distributor's electrical grid; that is, they must supply the local load and have zero-grid functionality." This section has enormous technical and regulatory relevance. It demonstrates that: The technology is recognized; The operational concept exists; The distributor formally acknowledges its functionality. Moreover, GED states: "hybrid systems have become an excellent solution for integrating MMGDs" and adds: "mainly with the aim of avoiding flow reversal." This is perhaps one of the most important points in the entire discussion. The distributor's own technical standard officially recognizes that batteries, EMS, export control, and hybrid systems can function precisely as mitigating mechanisms for the main basis currently used for denying access: flow reversal. The technical paradox: Here arises an extremely relevant regulatory paradox. If: Reverse flow is the problem; And batteries can mitigate it; And zero-grid systems do not export active power. Why are these systems becoming progressively unviable? From a technical standpoint, a modern hybrid system behaves profoundly differently from a conventional photovoltaic power plant. While traditional systems: Generate passively; Export surpluses automatically; Possess low operational intelligence. Hybrid systems: Monitor flow instantly; Adjust generation in real time; Control export; Charge batteries; Reduce injection; Respond dynamically to local load. In many cases, the battery ends up absorbing the surplus energy that would previously have been exported to the grid. In other words, distributed storage can act not as an aggravating factor, but as a mitigating solution to the systemic impacts of distributed generation. And this is acknowledged by CPFL's own GED (General Data Processing) department. CPFL's Manual 150217/2025 and the modeling of flow reversal studies. Perhaps the most sensitive point of the discussion lies in the analysis methodology currently used. The CPFL's "Instruction Manual for Estimated and Connection Budget Analysis for Micro and Mini Distributed Generation Systems" describes in detail: Power flow studies; Load modeling; Generation curve modeling; Flow reversal analysis criteria. The document makes it clear that the studies use: Typical curves; Statistical averages; Presumed generation; Standardized consumption and generation profiles. The methodology considers: Average curves; Historical profiles; Statistical modeling; Aggregate consumer behavior. This is perfectly normal in electrical engineering. The problem arises when this same methodology is used to evaluate intelligent hybrid systems with dynamic behavior. Intelligent systems being analyzed as passive generation. The manual itself barely goes into detail about: Dynamic EMS modeling; Instantaneous export control; Intelligent battery dispatch; Transient behavior of SAEs; Operational logic of "zero export". In practice, this raises an extremely relevant technical hypothesis: the studies currently being used may still be modeling modern hybrid systems as if they were conventional passive photovoltaic generation. This distinction is enormous. Because a system with EMS, battery, millisecond response, dynamic control, and instantaneous export limitation does not behave equivalently to a conventional photovoltaic system. This is perhaps the main technical discussion in the Brazilian distributed electricity sector today. The requirement for approvals without a clear public procedure. Another critical point is the increasing number of reported requirements related to the certification of: EMS; Hybrid inverters; “Zero export” systems; Export controllers. In principle, demanding technical safety is legitimate. However, the problem arises when: There is no transparent public procedure; There is no consolidated public list; There are no officially defined laboratories; There are no widely publicized criteria; There are no clear analysis deadlines. In practice, this creates a situation that is potentially impossible to fulfill. And here another extremely relevant aspect emerges: GED DIST-19397-2025 itself apparently does not establish a formal system of mandatory prior approval in the operational format reported by the market. The document primarily requires: Proof of functionality; Tests; Technical documentation from the manufacturer. GED establishes “tests or a supplier statement that proves the system's operation” and “tests or a supplier statement that proves the system's operation if it operates in a way that limits injected power”. This suggests that: The normative logic is centered on technical verification; not necessarily on discretionary approvals without clear public operationalization. GED 15303 and the issue of microgeneration Another relevant point is that GED 15303 itself recognizes the regulatory limits defined byANEELANEELZero grid is recognized; the distributor recognizes hybrid systems; distribution networks recognize batteries as mitigating reverse flow; but simultaneously: projects cease to be approved; requirements become practically impossible; criteria cease to be transparent; the market loses predictability. This creates a scenario that could potentially be characterized as an indirect technological blockade. And this has profound impacts. The economic impact of distributed storage lock-in: The distributed storage market represents: Modernization of electrical infrastructure; Increased resilience; Support during blackouts; Mitigation of peak loads; Reduced demand; Greater systemic stability; National technological advancement. Furthermore, this is a sector intensive in: Engineering; Software; Automation; Power electronics; Technical qualification. Its practical infeasibility could: Deter investment; Reduce competitiveness; Eliminate jobs; Delay innovation; Delay Brazil's energy transition. The apparent divergence between standard and operational practice: A joint reading of REN 1000, PRODIST, CPFL's GEDs, and Manual 150217/2025 suggests a possible divergence between the normative recognition of the technology and the practical operationalization of the connection process. The standards recognize hybrids, "zero grid," energy arbitrage, reverse flow mitigation, and EMS. But the market reports widespread negatives, regulatory uncertainty, lack of predictability, and opaque criteria. This scenario generates increasing litigation, market contraction, legal uncertainty, and a deterioration of regulatory confidence. The sector needs clarity, not a lack of rules. The debate should not be conducted as a matter of "liberating everything" or "eliminating technical criteria." The sector needs objective criteria, methodological transparency, predictability, auditable procedures, and alignment between standards and operational practice. If "zero export" systems require specific validation, then the market needs to know the criteria, the required tests, the accepted laboratories, the approved equipment, the processes, and the deadlines. Without this, an environment incompatible with regulatory security is created. In conclusion, the debate about hybrid systems and distributed storage is no longer just a technical discussion. It came to represent a strategic discussion about innovation, energy decentralization, modernization of the electricity sector, technological competitiveness, and the future of the Brazilian energy transition. CPFL's own technical documentation demonstrates that: The technology is recognized; The "zero grid" concept exists; Batteries are accepted as mitigating factors for reverse flow; Hybrid systems have regulatory support. Therefore, the main question no longer seems to be "whether the technology can exist". The central discussion then becomes: how to prevent technical requirements lacking transparency, clear public procedures, or methodological adaptation from ultimately functioning, in practice, as silent mechanisms to block the distributed storage market in Brazil. The silent blocking of distributed storage in Brazil
  • Opinion Article

The silent blocking of distributed storage in Brazil

How technical requirements lacking regulatory transparency may be making hybrid systems, batteries, and zero-grid technologies unfeasible.
Canal Solar - Solar energy debts may be included in the Desenrola 2.0 program, clarifies the Ministry of Finance.
  • 27 May 2026

Can solar energy debts be included in Desenrola 2.0? Ministry of Finance clarifies.

The second phase of the program began this Monday (25) and raises doubts in the solar energy sector.
Canal Solar - Solar energy debts may be included in the Desenrola 2.0 program, clarifies the Ministry of Finance.
  • Market & Investments

Can solar energy debts be included in Desenrola 2.0? Ministry of Finance clarifies.

The second phase of the program began this Monday (25) and raises doubts in the solar energy sector.

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