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Home / Articles

Articles
Special series: storing energy is ushering in the future.
  • July 13, 2026

Special series: storing energy is ushering in the future.

This article analyzes why energy storage is being touted as the next major milestone in the energy transition.
Special series: storing energy is ushering in the future.
  • Opinion Article

Special series: storing energy is ushering in the future.

This article analyzes why energy storage is being touted as the next major milestone in the energy transition.
Self-production under review: new limitations to the benefits?
  • July 13, 2026

Self-production under review: new limitations to the benefits?

TCU recommends reviewing exemptions from sector-specific charges, while ANEEL establishes the operationalization of the new rules.
Self-production under review: new limitations to the benefits?
  • Opinion Article

Self-production under review: new limitations to the benefits?

TCU recommends reviewing exemptions from sector-specific charges, while ANEEL establishes the operationalization of the new rules.
Key features of a good structure for ground-mounted plants
  • July 13, 2026

Key features of a good structure for ground-mounted plants

The structures account for approximately 18% of CAPEX, but are crucial for the safety and performance of the plant.
Key features of a good structure for ground-mounted plants
  • Manufacturer's Article

Key features of a good structure for ground-mounted plants

The structures account for approximately 18% of CAPEX, but are crucial for the safety and performance of the plant.
Fast track and energy credits: is there a right to relocation after a change of ownership?
  • July 8, 2026

Fast track and energy credits: is there a right to relocation after a change of ownership?

The prohibition on applying article 655-M of Normative Resolution 1.000/2021 and the regulatory gap regarding the destination of accumulated credits.
Fast track and energy credits: is there a right to relocation after a change of ownership?
  • Opinion Article

Fast track and energy credits: is there a right to relocation after a change of ownership?

The prohibition on applying article 655-M of Normative Resolution 1.000/2021 and the regulatory gap regarding the destination of accumulated credits.
Canal Solar - World Cup proves that strategy beats talent. In companies, law is part of that strategy.
  • July 7, 2026

The World Cup proves that strategy trumps talent. In companies, law is part of that strategy.

The analysis links the lessons from the World Cup to the importance of governance, prevention, and strategic decision-making in organizations.
Canal Solar - World Cup proves that strategy beats talent. In companies, law is part of that strategy.
  • Opinion Article

The World Cup proves that strategy trumps talent. In companies, law is part of that strategy.

The analysis links the lessons from the World Cup to the importance of governance, prevention, and strategic decision-making in organizations.
The non-incidence of ICMS (Brazilian state sales tax) on electricity compensated under the electricity compensation system.
  • July 3, 2026

The non-incidence of ICMS (Brazilian state sales tax) on compensated electricity.

A constitutional, regulatory, and tax analysis of local self-consumption, remote self-consumption, and shared generation.
The non-incidence of ICMS (Brazilian state sales tax) on electricity compensated under the electricity compensation system.
  • Opinion Article

The non-incidence of ICMS (Brazilian state sales tax) on compensated electricity.

A constitutional, regulatory, and tax analysis of local self-consumption, remote self-consumption, and shared generation.
Sodium batteries: the new frontier of solar storage.
  • July 2, 2026

Sodium batteries: the new frontier of solar storage.

Cheaper, safer, and made from abundant raw materials, they can be developed in an aqueous medium, eliminating the threat of combustion.
Sodium batteries: the new frontier of solar storage.
  • Opinion Article

Sodium batteries: the new frontier of solar storage.

Cheaper, safer, and made from abundant raw materials, they can be developed in an aqueous medium, eliminating the threat of combustion.
Aluminum cables in photovoltaic systems: correct application, safety, and technical feasibility.
  • July 1, 2026

Aluminum cables in photovoltaic systems: correct application, safety, and technical feasibility.

More than just replacing copper, the use of aluminum requires attention to design to ensure the safety and performance of the system.
Aluminum cables in photovoltaic systems: correct application, safety, and technical feasibility.
  • Manufacturer's Article

Aluminum cables in photovoltaic systems: correct application, safety, and technical feasibility.

More than just replacing copper, the use of aluminum requires attention to design to ensure the safety and performance of the system.
Canal Solar - Strong agencies are a prerequisite for the energy transition.
  • June 30, 2026

Strong regulatory agencies are essential for the energy transition.

Protecting the budgets of regulatory agencies ensures predictability and security for investments in clean energy.
Canal Solar - Strong agencies are a prerequisite for the energy transition.
  • Opinion Article

Strong regulatory agencies are essential for the energy transition.

Protecting the budgets of regulatory agencies ensures predictability and security for investments in clean energy.
Canal Solar - From market to technology: the evolution of C&I storage, from Dyness' perspective.
  • June 30, 2026

From market to technology: the evolution of C&I storage, from Dyness' perspective.

For many years, major projects focused on two extremes: residential systems and large power plants.
Canal Solar - From market to technology: the evolution of C&I storage, from Dyness' perspective.
  • Manufacturer's Article

From market to technology: the evolution of C&I storage, from Dyness' perspective.

For many years, major projects focused on two extremes: residential systems and large power plants.
Price signals and demand response: the role of batteries in the era of mandatory hourly pricing.
  • June 29, 2026

Price signals and demand response: the role of batteries in the era of mandatory hourly pricing.

The article highlights opportunities for those who combine MMGD (Multi-Purpose Distributed Management), storage, and electric vehicles with the mandatory White Tariff.
Price signals and demand response: the role of batteries in the era of mandatory hourly pricing.
  • Opinion Article

Price signals and demand response: the role of batteries in the era of mandatory hourly pricing.

The article highlights opportunities for those who combine MMGD (Multi-Purpose Distributed Management), storage, and electric vehicles with the mandatory White Tariff.
Energy storage as a regulated asset: what changes with the new resolution of ANEEL?
  • June 26, 2026

Energy storage as a regulated asset: what changes with the new resolution of ANEEL?

Batteries officially enter the regulatory agenda of the electricity sector with the publication of Normative Resolutions 1.161/2026 and 1.162/2026.
Energy storage as a regulated asset: what changes with the new resolution of ANEEL?
  • Technical Article

Energy storage as a regulated asset: what changes with the new resolution of ANEEL?

Batteries officially enter the regulatory agenda of the electricity sector with the publication of Normative Resolutions 1.161/2026 and 1.162/2026.
Regarding the time slot reserved for agricultural flexibility.
  • June 24, 2026

Regarding the time slot reserved for agricultural flexibility.

Ministry of Mines and Energy (MME) decree suggests a new vision for rural consumption based on the time of day energy is used.
Regarding the time slot reserved for agricultural flexibility.
  • Opinion Article

Regarding the time slot reserved for agricultural flexibility.

Ministry of Mines and Energy (MME) decree suggests a new vision for rural consumption based on the time of day energy is used.
Australia: the solar laboratory anticipating Brazil's challenges.
  • June 23, 2026

Australia: the solar laboratory anticipating Brazil's challenges.

With over 4 million rooftop solar systems, negative prices, and advancements in batteries, the Australian market offers clues for Brazilian energy innovation.
Australia: the solar laboratory anticipating Brazil's challenges.
  • Opinion Article

Australia: the solar laboratory anticipating Brazil's challenges.

With over 4 million rooftop solar systems, negative prices, and advancements in batteries, the Australian market offers clues for Brazilian energy innovation.
When the test fails, the foundation collects the bill:
  • June 22, 2026

When the test fails, the foundation bills the price.

Article analyzes the impact of poorly assessed soil on solar power plants.
When the test fails, the foundation collects the bill:
  • Manufacturer's Article

When the test fails, the foundation bills the price.

Article analyzes the impact of poorly assessed soil on solar power plants.
Storage: the next step for solar energy in Brazil Source: https://canalsolar.com.br/armazenamento-proximo-passo-energia-solar-brasil/
  • June 22, 2026

Storage: the next step for solar energy in Brazil

Article argues that Brazil needs to expand the use of batteries to meet the energy challenges of the 21st century.
Storage: the next step for solar energy in Brazil Source: https://canalsolar.com.br/armazenamento-proximo-passo-energia-solar-brasil/
  • Opinion Article

Storage: the next step for solar energy in Brazil

Article argues that Brazil needs to expand the use of batteries to meet the energy challenges of the 21st century.
Canal Solar - Regulatory stagnation of Redata threatens investments in data centers in Brazil.
  • June 19, 2026

Regulatory stagnation of Redata threatens investments in data centers in Brazil.

Disruption weakens competitive advantage and legal mechanisms designed to secure investments in the sector.
Canal Solar - Regulatory stagnation of Redata threatens investments in data centers in Brazil.
  • Opinion Article

Regulatory stagnation of Redata threatens investments in data centers in Brazil.

Disruption weakens competitive advantage and legal mechanisms designed to secure investments in the sector.
Canal Solar - Sold a lot, went bankrupt quickly: what the emblematic case of a solar energy company in Pará teaches us about management.
  • June 18, 2026

It sold a lot, went bankrupt quickly: what does the emblematic case of a solar energy company in Pará teach us about management?

It may seem contradictory, but selling a lot doesn't necessarily mean having a healthy business.
Canal Solar - Sold a lot, went bankrupt quickly: what the emblematic case of a solar energy company in Pará teaches us about management.
  • Opinion Article

It sold a lot, went bankrupt quickly: what does the emblematic case of a solar energy company in Pará teach us about management?

It may seem contradictory, but selling a lot doesn't necessarily mean having a healthy business.
Canal Solar - LRCAP debate on thermal power plants should not be reduced to price versus safety.
  • June 15, 2026

LRCAP: Debate on thermal power plants should not be reduced to price versus safety.

Discussions should involve effective delivery capacity, environmental impact, and regulatory governance.
Canal Solar - LRCAP debate on thermal power plants should not be reduced to price versus safety.
  • Opinion Article

LRCAP: Debate on thermal power plants should not be reduced to price versus safety.

Discussions should involve effective delivery capacity, environmental impact, and regulatory governance.
When the structure fails, the damage occurs even before generation begins: how to avoid errors that compromise solar power plants.
  • June 15, 2026

When the structure fails, the damage occurs even before generation begins: how to avoid errors that compromise solar power plants.

Errors in solar projects generate additional costs for integrators and increase uncertainty for investors.
When the structure fails, the damage occurs even before generation begins: how to avoid errors that compromise solar power plants.
  • Manufacturer's Article

When the structure fails, the damage occurs even before generation begins: how to avoid errors that compromise solar power plants.

Errors in solar projects generate additional costs for integrators and increase uncertainty for investors.
Battery auction: what changes for investors, generators and large consumers?
  • June 12, 2026

Battery auction: what changes for investors, generators and large consumers?

Ministry of Mines and Energy Ordinance No. 136/2026 regulates the authorization of SAEs (Energy Storage Systems).
Battery auction: what changes for investors, generators and large consumers?
  • Opinion Article

Battery auction: what changes for investors, generators and large consumers?

Ministry of Mines and Energy Ordinance No. 136/2026 regulates the authorization of SAEs (Energy Storage Systems).
Canal Solar - BESS in the Brazilian LRCAP: advantages over thermal power plants in expanding the capacity of the electrical system.
  • June 11, 2026

BESS in the Brazilian LRCAP: advantages compared to thermal power plants in expanding the capacity of the electrical system.

With zero local emissions during operation, batteries are emerging as a cleaner alternative to conventional thermal power plants.
Canal Solar - BESS in the Brazilian LRCAP: advantages over thermal power plants in expanding the capacity of the electrical system.
  • Manufacturer's Article

BESS in the Brazilian LRCAP: advantages compared to thermal power plants in expanding the capacity of the electrical system.

With zero local emissions during operation, batteries are emerging as a cleaner alternative to conventional thermal power plants.
Canal Solar - Split Payment of the Tax Reform: Technical documentation of the Public Platform is published.
  • June 9, 2026

Split Payment of the Tax Reform: Technical documentation of the Public Platform is published.

The Integration Manual and Swagger enable technological development by payment service providers.
Canal Solar - Split Payment of the Tax Reform: Technical documentation of the Public Platform is published.
  • Opinion Article

Split Payment of the Tax Reform: Technical documentation of the Public Platform is published.

The Integration Manual and Swagger enable technological development by payment service providers.
How to increase the lifespan of photovoltaic inverters? Study presented at ICLP answers.
  • June 8, 2026

Regulation of SAEs and BESS auction: two distinct milestones for energy storage in Brazil.

Although both initiatives address the expansion of energy storage in the country, they have different natures and purposes.
How to increase the lifespan of photovoltaic inverters? Study presented at ICLP answers.
  • Opinion Article

Regulation of SAEs and BESS auction: two distinct milestones for energy storage in Brazil.

Although both initiatives address the expansion of energy storage in the country, they have different natures and purposes.
Canal Solar - From regulatory debate to power contracting, energy storage and the first battery auctions in Brazil.
  • June 3, 2026

From regulatory debate to power contracting: energy storage and the first battery auctions in Brazil.

Check out a complete overview of Brazil's first battery auction and access a study prepared by TAGD Advogados.
Canal Solar - From regulatory debate to power contracting, energy storage and the first battery auctions in Brazil.
  • Opinion Article

From regulatory debate to power contracting: energy storage and the first battery auctions in Brazil.

Check out a complete overview of Brazil's first battery auction and access a study prepared by TAGD Advogados.
ISO 55001 applied to solar energy: how to extend the lifespan of photovoltaic systems?
  • June 3, 2026

ISO 55001 applied to solar energy: how to extend the lifespan of photovoltaic systems?

Article shows that standard guides solar asset management to increase efficiency and financial return.
ISO 55001 applied to solar energy: how to extend the lifespan of photovoltaic systems?
  • Opinion Article

ISO 55001 applied to solar energy: how to extend the lifespan of photovoltaic systems?

Article shows that standard guides solar asset management to increase efficiency and financial return.
The "Solar Cat" and the regulatory challenge
  • June 1, 2026

The “Solar Cat” and the regulatory challenge

Is the era of rampant growth in photovoltaic energy in Brazil coming to an end?
The "Solar Cat" and the regulatory challenge
  • Opinion Article

The “Solar Cat” and the regulatory challenge

Is the era of rampant growth in photovoltaic energy in Brazil coming to an end?
  • May 29, 2026

Self-production in the free market after Law 15.269 and new rules of ANEEL and CCEE

Why has the legal framework become as important as the price of energy?
  • Opinion Article

Self-production in the free market after Law 15.269 and new rules of ANEEL and CCEE

Why has the legal framework become as important as the price of energy?
  • May 28, 2026

Solar subscription in Latin America: Brazil is already leading the next distributed generation cycle.

Article shows the growth of solar subscriptions and reinforces Brazil's leading role in the Latin American energy market.
  • Opinion Article

Solar subscription in Latin America: Brazil is already leading the next distributed generation cycle.

Article shows the growth of solar subscriptions and reinforces Brazil's leading role in the Latin American energy market.
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
  • May 27, 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 - Battery auction in Brazil: the answer the electricity sector can no longer postpone.
  • May 22, 2026

Battery auction in Brazil: the answer the electricity sector can no longer postpone.

The government's signaling is positive, but it needs to be understood as the result of legitimate technical pressure for affordability, competition, and technological neutrality.
Canal Solar - Battery auction in Brazil: the answer the electricity sector can no longer postpone.
  • Opinion Article

Battery auction in Brazil: the answer the electricity sector can no longer postpone.

The government's signaling is positive, but it needs to be understood as the result of legitimate technical pressure for affordability, competition, and technological neutrality.
Relationship as a business strategy
  • May 22, 2026

Relationship as a business strategy

Article indicates that after-sales service is not just support: it's the solar integrator's main competitive weapon.
Relationship as a business strategy
  • Opinion Article

Relationship as a business strategy

Article indicates that after-sales service is not just support: it's the solar integrator's main competitive weapon.
Canal Solar - Brazil: Advances and setbacks in coal policy 
  • May 21, 2026

Brazil experiences both advances and setbacks in coal policy.

A GEM report concludes that, given the abundance of renewable energy sources in the country, insisting on coal is walking "towards the climate abyss."
Canal Solar - Brazil: Advances and setbacks in coal policy 
  • Opinion Article

Brazil experiences both advances and setbacks in coal policy.

A GEM report concludes that, given the abundance of renewable energy sources in the country, insisting on coal is walking "towards the climate abyss."
The clean energy inflection point has arrived, and Brazil may be going against the grain.
  • May 20, 2026

The clean energy inflection point has arrived, and Brazil may be going against the grain.

While other countries integrated batteries on a large scale, Brazil, a historical leader in clean energy sources, expanded gas-fired power plants to compensate for declining hydropower.
The clean energy inflection point has arrived, and Brazil may be going against the grain.
  • Opinion Article

The clean energy inflection point has arrived, and Brazil may be going against the grain.

While other countries integrated batteries on a large scale, Brazil, a historical leader in clean energy sources, expanded gas-fired power plants to compensate for declining hydropower.
The electricity sector is back at the center of the debate with discussions about the "Eletrolão" scandal.
  • May 19, 2026

The electricity sector is back at the center of the debate with discussions about the "Eletrolão" scandal.

A technical-regulatory analysis of sector charges, compulsory expansion, curtailment, and structural reconfiguration in the Brazilian electricity sector.
The electricity sector is back at the center of the debate with discussions about the "Eletrolão" scandal.
  • Opinion Article

The electricity sector is back at the center of the debate with discussions about the "Eletrolão" scandal.

A technical-regulatory analysis of sector charges, compulsory expansion, curtailment, and structural reconfiguration in the Brazilian electricity sector.
Who wants to throw away 8.888 loaves of bread every month?
  • May 14, 2026

Who wants to throw away 8.888 loaves of bread every month?

Enel São Paulo's electricity tariff increased by approximately 79% between 2016 and 2026 for low-voltage connections, making energy bills an increasingly burdensome cost for businesses.
Who wants to throw away 8.888 loaves of bread every month?
  • Opinion Article

Who wants to throw away 8.888 loaves of bread every month?

Enel São Paulo's electricity tariff increased by approximately 79% between 2016 and 2026 for low-voltage connections, making energy bills an increasingly burdensome cost for businesses.

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