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Home / Curtailment

Tags Curtailment

Northeastern Brazil is once again facing significant restrictions on renewable energy generation.
  • April 15

Northeastern Brazil is once again facing significant restrictions on renewable energy generation.

Again, frequency control was one of the reasons most cited by the ONS.
Northeastern Brazil is once again facing significant restrictions on renewable energy generation.
  • Public security

Northeastern Brazil is once again facing significant restrictions on renewable energy generation.

Again, frequency control was one of the reasons most cited by the ONS.
BBCE closes quarter with drop in energy trading.
  • April 13

BBCE closes quarter with drop in energy trading.

Data reinforces the scenario of price volatility and lower liquidity in Mercado Libre.
BBCE closes quarter with drop in energy trading.
  • Market & Investments

BBCE closes quarter with drop in energy trading.

Data reinforces the scenario of price volatility and lower liquidity in Mercado Libre.
A decisive year for the regulatory consolidation of curtailment.
  • April 8

A decisive year for the regulatory consolidation of curtailment.

How Brazil resolves curtailment issues could define the renewable energy investment environment in the coming years.
A decisive year for the regulatory consolidation of curtailment.
  • Opinion Article

A decisive year for the regulatory consolidation of curtailment.

How Brazil resolves curtailment issues could define the renewable energy investment environment in the coming years.
Fortaleza will host Intersolar Brasil Nordeste 2026 on renewable energy.
  • April 1

Fortaleza will host Intersolar Brasil Nordeste 2026 on renewable energy.

Event brings together experts to discuss hydrogen, storage and electrical challenges.
Fortaleza will host Intersolar Brasil Nordeste 2026 on renewable energy.
  • News

Fortaleza will host Intersolar Brasil Nordeste 2026 on renewable energy.

Event brings together experts to discuss hydrogen, storage and electrical challenges.
Canal Solar - Power cuts cause losses of R$ 80 million in the last week.
  • April 1

Power outages caused losses of R$ 80 million last week.

A report by Volt Robotics shows that the country lost 378 MWh during the period and reinforces expectations for compensation rules.
Canal Solar - Power cuts cause losses of R$ 80 million in the last week.
  • Market & Investments

Power outages caused losses of R$ 80 million last week.

A report by Volt Robotics shows that the country lost 378 MWh during the period and reinforces expectations for compensation rules.
Canal Solar - With no predictability due to curtailment, power plants are reducing staff and suspending new investments in Brazil.
  • Marco 31, 2026

Without predictability, power plants reduce staff and suspend investments in Brazil.

Atlas, Newave, and Voltalia are implementing adjustments in the country following losses due to curtailment and a lack of clarity regarding compensation.
Canal Solar - With no predictability due to curtailment, power plants are reducing staff and suspending new investments in Brazil.
  • Market & Investments

Without predictability, power plants reduce staff and suspend investments in Brazil.

Atlas, Newave, and Voltalia are implementing adjustments in the country following losses due to curtailment and a lack of clarity regarding compensation.
The illusion of performance in solar power plants: why monitoring alone is not enough.
  • Marco 25, 2026

The illusion of performance in solar power plants: why monitoring alone is not enough?

Hidden losses, curtailment, and BESS require a new layer of operational intelligence.
The illusion of performance in solar power plants: why monitoring alone is not enough.
  • Technical Article

The illusion of performance in solar power plants: why monitoring alone is not enough?

Hidden losses, curtailment, and BESS require a new layer of operational intelligence.
Regulation of storage systems remains undefined in ANEEL
  • Marco 11, 2026

Regulation of storage systems remains undefined in ANEEL

Different perspectives among agency directors are likely to impact the timeline of the battery auction planned for 2026.
Regulation of storage systems remains undefined in ANEEL
  • Politics & Regulation

Regulation of storage systems remains undefined in ANEEL

Different perspectives among agency directors are likely to impact the timeline of the battery auction planned for 2026.
Curtailment: losses in the electrical system already equal the annual consumption of 26 million homes.
  • Marco 9, 2026

Curtailment: losses already equal the annual consumption of 26 million homes.

Operational restrictions increased by 45% in January of this year, according to a study by ePowerBay.
Curtailment: losses in the electrical system already equal the annual consumption of 26 million homes.
  • News

Curtailment: losses already equal the annual consumption of 26 million homes.

Operational restrictions increased by 45% in January of this year, according to a study by ePowerBay.
  • February 26, 2026

Vol. 7, No. 1 – February/2026

Vol. 7, No. 1 – February/2026

Canal Solar - ANEEL The process regarding power generation cuts is removed from the agenda following a statement from the Attorney General's Office.
  • February 24, 2026

ANEEL removes from the agenda the process regarding generation cuts.

The case is being handled by Director Agnes and was received following a statement from the Attorney General's Office.
Canal Solar - ANEEL The process regarding power generation cuts is removed from the agenda following a statement from the Attorney General's Office.
  • Politics & Regulation

ANEEL removes from the agenda the process regarding generation cuts.

The case is being handled by Director Agnes and was received following a statement from the Attorney General's Office.
Even with "infinite transmission," there isn't enough load to absorb so much renewable energy during the day.
  • February 18, 2026

Even with "infinite transmission," there isn't enough load to absorb so much renewable energy during the day.

The Brazilian situation is not an isolated deviation, but a local manifestation of a global phenomenon.
Even with "infinite transmission," there isn't enough load to absorb so much renewable energy during the day.
  • Opinion Article

Even with "infinite transmission," there isn't enough load to absorb so much renewable energy during the day.

The Brazilian situation is not an isolated deviation, but a local manifestation of a global phenomenon.
ANEEL Suspends reimbursements for power generation cuts for 90 days.
  • 20 Janeiro, 2026

ANEEL Suspends reimbursements for power generation cuts for 90 days.

The measure applies to wind and solar power and seeks to adapt regulations to the new curtailment law.
ANEEL Suspends reimbursements for power generation cuts for 90 days.
  • Politics & Regulation

ANEEL Suspends reimbursements for power generation cuts for 90 days.

The measure applies to wind and solar power and seeks to adapt regulations to the new curtailment law.
Curtailment and flow reversal lead to a 29% contraction in the solar energy market in Brazil.
  • 15 Janeiro, 2026

Curtailment and flow reversal caused the Brazilian solar market to shrink by 29% in 2025.

Photovoltaic sources added 10,6 GW last year, compared to 15 GW in 2024, due to these problems, it says. ABSOLAR
Curtailment and flow reversal lead to a 29% contraction in the solar energy market in Brazil.
  • News

Curtailment and flow reversal caused the Brazilian solar market to shrink by 29% in 2025.

Photovoltaic sources added 10,6 GW last year, compared to 15 GW in 2024, due to these problems, it says. ABSOLAR
GC Solar invests nearly R$90 billion despite curtailment challenges.
  • 12 Janeiro, 2026

GC Solar invests nearly R$90 billion despite curtailment challenges.

The sector has also created more than 600 green jobs since 2012, according to a survey by... ABSOLAR
GC Solar invests nearly R$90 billion despite curtailment challenges.
  • News

GC Solar invests nearly R$90 billion despite curtailment challenges.

The sector has also created more than 600 green jobs since 2012, according to a survey by... ABSOLAR
The biomass cogeneration segment is cautiously monitoring curtailment.
  • 6 Janeiro, 2026

The biomass cogeneration segment is cautiously monitoring curtailment.

With no recorded power cuts in December, Bioenergia Brasil, Cogen, and Unica issue warnings. ANEEL and distributors for risks
The biomass cogeneration segment is cautiously monitoring curtailment.
  • News

The biomass cogeneration segment is cautiously monitoring curtailment.

With no recorded power cuts in December, Bioenergia Brasil, Cogen, and Unica issue warnings. ANEEL and distributors for risks
Curtailment declines in the 4th quarter of 2025, but remains at high levels.
  • 5 Janeiro, 2026

Curtailment declines in the 4th quarter of 2025, but remains at high levels.

Analysis by BTG Pactual highlights that even with improvement in December, cut levels remain above 2024.
Curtailment declines in the 4th quarter of 2025, but remains at high levels.
  • Market & Investments

Curtailment declines in the 4th quarter of 2025, but remains at high levels.

Analysis by BTG Pactual highlights that even with improvement in December, cut levels remain above 2024.
Canal Solar - Brazil surpasses 20 GW of installed capacity in large solar power plants.
  • December 29, 2025

Brazil surpasses 20 GW of operational capacity in large solar power plants.

Despite its rapid expansion, the advancement of this modality has been accompanied by operational challenges in the country.
Canal Solar - Brazil surpasses 20 GW of installed capacity in large solar power plants.
  • Market & Investments

Brazil surpasses 20 GW of operational capacity in large solar power plants.

Despite its rapid expansion, the advancement of this modality has been accompanied by operational challenges in the country.
  • December 26, 2025

Volt Robotics calculates losses of R$6 billion with curtailment in 2025

A survey indicates that 20,6% of the renewable energy generation available in Brazil this year was not utilized.
  • News

Volt Robotics calculates losses of R$6 billion with curtailment in 2025

A survey indicates that 20,6% of the renewable energy generation available in Brazil this year was not utilized.
Canal Solar - Director of ANEEL evaluates making distributed solar generation jointly responsible for curtailment and reducing consumer credits.
  • November 27, 2025

Director of ANEEL indicates the possibility of holding GD solar jointly responsible for the curtailment.

Agnes Costa also mentioned the possibility of a reduction in consumer credits within the compensation system.
Canal Solar - Director of ANEEL evaluates making distributed solar generation jointly responsible for curtailment and reducing consumer credits.
  • Politics & Regulation

Director of ANEEL indicates the possibility of holding GD solar jointly responsible for the curtailment.

Agnes Costa also mentioned the possibility of a reduction in consumer credits within the compensation system.
Canal Solar - Government approves Provisional Measure 1304 with veto on reimbursement for solar and wind power generation.
  • November 25, 2025

Government approves Provisional Measure 1304 with veto on reimbursement for solar and wind power generation.

Law 15.269/2025 removes sections that created mandatory compensation for renewable energy sources.
Canal Solar - Government approves Provisional Measure 1304 with veto on reimbursement for solar and wind power generation.
  • Market & Investments

Government approves Provisional Measure 1304 with veto on reimbursement for solar and wind power generation.

Law 15.269/2025 removes sections that created mandatory compensation for renewable energy sources.
Vetoes on curtailment compensation would threaten investments and legal certainty, agents warn.
  • November 18, 2025

Vetoes on curtailment compensation would threaten investments and legal certainty, agents warn.

Entities argue that compensation for generation cuts does not cause a tariff impact.
Vetoes on curtailment compensation would threaten investments and legal certainty, agents warn.
  • Politics & Regulation

Vetoes on curtailment compensation would threaten investments and legal certainty, agents warn.

Entities argue that compensation for generation cuts does not cause a tariff impact.
MP 1304: Macron asks Lula to maintain compensation for companies affected by curtailment.
  • November 17, 2025

MP 1304: Macron asks Lula to maintain compensation for companies affected by curtailment.

French president calls for protection for international investors; while Brazil fears impact on electricity bills in an election year.
MP 1304: Macron asks Lula to maintain compensation for companies affected by curtailment.
  • International market

MP 1304: Macron asks Lula to maintain compensation for companies affected by curtailment.

French president calls for protection for international investors; while Brazil fears impact on electricity bills in an election year.
Canal Solar - Lula is expected to veto the transfer of compensation to power plants affected by curtailment.
  • November 14, 2025

Lula is expected to veto the transfer of compensation to power plants affected by the curtailment.

The president signaled that he will block a section included in Provisional Measure 1.304/2025 that would burden consumers.
Canal Solar - Lula is expected to veto the transfer of compensation to power plants affected by curtailment.
  • Politics & Regulation

Lula is expected to veto the transfer of compensation to power plants affected by the curtailment.

The president signaled that he will block a section included in Provisional Measure 1.304/2025 that would burden consumers.
'Batteries could reduce solar curtailment by 46% by 2040', study suggests.
  • November 13, 2025

'Batteries could reduce solar curtailment by 46% by 2040', study suggests.

Aurora Energy Research has released a report on the impact of batteries on the Brazilian energy market.
'Batteries could reduce solar curtailment by 46% by 2040', study suggests.
  • Public security

'Batteries could reduce solar curtailment by 46% by 2040', study suggests.

Aurora Energy Research has released a report on the impact of batteries on the Brazilian energy market.
Shortage of solar power plants reached 37% in October.
  • November 6, 2025

Renewable energy cuts hit a record high in October, reaching 37%.

The source stopped transporting more than 1,3 thousand GWh, resulting in losses of up to R$ 192 million, according to Volt Robotics.
Shortage of solar power plants reached 37% in October.
  • News

Renewable energy cuts hit a record high in October, reaching 37%.

The source stopped transporting more than 1,3 thousand GWh, resulting in losses of up to R$ 192 million, according to Volt Robotics.
Canal Solar - ANEEL Red flag remains in effect, and thermal power plants continue to operate despite renewable energy cuts.
  • November 3, 2025

ANEEL Red flag remains in effect, and thermal power plants continue to operate despite renewable energy cuts.

November marks the sixth consecutive month with a red flag on Brazilian consumers' electricity bills.
Canal Solar - ANEEL Red flag remains in effect, and thermal power plants continue to operate despite renewable energy cuts.
  • Market & Investments

ANEEL Red flag remains in effect, and thermal power plants continue to operate despite renewable energy cuts.

November marks the sixth consecutive month with a red flag on Brazilian consumers' electricity bills.
Canal Solar - Brazil's solar energy barn experiences contradictions between discourse and reality
  • October 27, 2025

A solar energy hotbed? Brazil experiences contradictions between rhetoric and reality

Curtailment, continued operation of thermoelectric plants, and delays in storage solutions reveal the country's challenges
Canal Solar - Brazil's solar energy barn experiences contradictions between discourse and reality
  • Politics & Regulation

A solar energy hotbed? Brazil experiences contradictions between rhetoric and reality

Curtailment, continued operation of thermoelectric plants, and delays in storage solutions reveal the country's challenges
ONS launches page dedicated to curtailment to increase transparency
  • October 24, 2025

ONS launches page dedicated to curtailment to increase transparency

According to the new tool, between January 1 and October 21, 2025, cuts totaled an average of 42,2 GW
ONS launches page dedicated to curtailment to increase transparency
  • News

ONS launches page dedicated to curtailment to increase transparency

According to the new tool, between January 1 and October 21, 2025, cuts totaled an average of 42,2 GW
Canal Solar - ABSOLAR Brazil needs legal certainty and storage, not cuts
  • October 23, 2025

ABSOLAR: Brazil needs legal certainty and storage, not cuts

The Association believes that MP 1304 must bring concrete solutions to the challenges faced and accelerate the energy transition.
Canal Solar - ABSOLAR Brazil needs legal certainty and storage, not cuts
  • Politics & Regulation

ABSOLAR: Brazil needs legal certainty and storage, not cuts

The Association believes that MP 1304 must bring concrete solutions to the challenges faced and accelerate the energy transition.
DSO and its effect on distributed generation
  • October 23, 2025

DSO and its effect on distributed generation

The creation of a DSO that is unrelated to the distributor and, therefore, more neutral becomes essential
DSO and its effect on distributed generation
  • Opinion Article

DSO and its effect on distributed generation

The creation of a DSO that is unrelated to the distributor and, therefore, more neutral becomes essential
The Chamber demands explanations and summons Sandoval to clarify the cuts in the GD
  • October 23, 2025

House Committee Demands Explanations and Summons Sandoval to Clarify GD Cuts

Parliamentarians want clarification from Director-General Sandoval Feitosa about the official document validating the application of the measure.
The Chamber demands explanations and summons Sandoval to clarify the cuts in the GD
  • News

House Committee Demands Explanations and Summons Sandoval to Clarify GD Cuts

Parliamentarians want clarification from Director-General Sandoval Feitosa about the official document validating the application of the measure.
Electricity sector reforms: behind the scenes and concerns about the future of DG
  • October 20, 2025

Electricity sector reforms: behind the scenes and concerns about the future of DG

No Canal Conecta, sector representatives exposed behind the scenes of the discussions in Brasília (DF) and criticized the conduct of MP 1.304
Electricity sector reforms: behind the scenes and concerns about the future of DG
  • Politics & Regulation

Electricity sector reforms: behind the scenes and concerns about the future of DG

No Canal Conecta, sector representatives exposed behind the scenes of the discussions in Brasília (DF) and criticized the conduct of MP 1.304
Canal Solar - Agnes requests legal analysis on the inclusion of MMGD in the curtailment mechanism
  • October 17, 2025

Agnes requests legal analysis on the inclusion of MMGD in the curtailment mechanism

Director of ANEEL questioned the Federal Prosecutor's Office with the regulator about the legal viability of this action
Canal Solar - Agnes requests legal analysis on the inclusion of MMGD in the curtailment mechanism
  • Politics & Regulation

Agnes requests legal analysis on the inclusion of MMGD in the curtailment mechanism

Director of ANEEL questioned the Federal Prosecutor's Office with the regulator about the legal viability of this action
Canal Solar - Renewable generation curtailment an overview of curtailment
  • October 16, 2025

Renewable generation curtailment: an overview of curtailment

The advance of renewables accelerates the electricity transition and exposes challenges in supply and reliability
Canal Solar - Renewable generation curtailment an overview of curtailment
  • Technical Article

Renewable generation curtailment: an overview of curtailment

The advance of renewables accelerates the electricity transition and exposes challenges in supply and reliability
We have plants with up to 70% of capacity affected by curtailment, warns ABSOLAR
  • October 15, 2025

We have plants with up to 70% of capacity affected by curtailment, warns ABSOLAR

The statement was made by Bárbara Rubim during a meeting of the Joint Committee of MP 1.304/2025, at the National Congress
We have plants with up to 70% of capacity affected by curtailment, warns ABSOLAR
  • News

We have plants with up to 70% of capacity affected by curtailment, warns ABSOLAR

The statement was made by Bárbara Rubim during a meeting of the Joint Committee of MP 1.304/2025, at the National Congress

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