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Home / News / Market & Investments / ANEEL Green flag remains in effect in March for the third consecutive month.

ANEEL Green flag remains in effect in March for the third consecutive month.

Rains in February boosted reservoir levels, allowing electricity bills to remain the same without additional charges.
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  • Photo by Henrique Hein Henrique Hein
  • March 2, 2026, at 08:53 AM
2 min 31 sec read
ANEEL Green flag remains in effect in March for the third consecutive month.
Photo: Canva

A ANEEL The Brazilian National Electric Energy Agency (ANEEL) confirmed that the green tariff flag will be maintained for the month of March. This is the third consecutive month at this level, meaning there will be no additional charge on consumers' electricity bills.

According to the local authority, the increased rainfall in February raised the level of hydroelectric reservoirs, creating favorable conditions for energy generation and allowing the maintenance of the green tariff flag.

"Even though the flag is green and generation conditions are favorable most of the time, it's important to remember that there may be additional dispatch of thermoelectric plants to ensure the robustness of the electrical system in specific operational situations," he highlighted.

According to the schedule released by the regulator, the tariff flag to be applied in April will be announced on March 27th.

Forecast for April and May

According to Armor Energia, the trend for the coming months is a gradual increase in the tariff flag levels. The company projects the adoption of the yellow flag in April and the red flag from May onwards.

Before the official announcement of ANEELThe company had already indicated in March that it would maintain the green flag status, a scenario that ultimately proved to be confirmed.

According to Armor, the potential increase in flags is mainly due to lower-than-expected rainfall, especially in the Southern Region, which tends to put pressure on electricity prices in the market.

"Despite the improved rainfall in the Northeast in February, it has not yet been enough to consistently reduce prices," said Fred Menezes, the company's marketing director.

Extra costs

Created in 2015, the tariff flag system aims to indicate whether the cost of energy generation in the SIN (National Interconnected System) is higher or lower in a given period.

Monthly, the ONS (National Electric System Operator) assesses the operating conditions of the system and defines the generation strategy needed to meet demand, also estimating the costs that may be passed on to consumers.

The flags are classified into four levels: green, yellow, and red (the latter divided into levels 1 and 2), and reflect the variation in the cost of electricity over time.

When the green flag is in effect, there is no additional charge. However, the yellow and red flags indicate higher generation costs and result in increases in the bill for every 100 kWh consumed.

Currently, the additional costs are:

  • Green flag: no extra charge on the electricity bill;
  • Yellow flag: An additional R$ 1,88 for every 100 kWh consumed;
  • Red flag level 1: An additional R$ 4,46 for every 100 kWh;
  • Red flag level 2: An additional R$ 7,87 for every 100 kWh.

all the content of Canal Solar is protected by copyright law, and partial or total reproduction of this site in any medium is expressly prohibited. If you are interested in collaborating or reusing part of our material, please contact us by email: redacao@canalsolar.com.br.

ANEEL (National Electric Energy Agency) tariff flag electricity bill
Photo by Henrique Hein
Henrique Hein
He worked at Correio Popular and Rádio Trianon. He has experience in podcast production, radio programs, interviews and reporting. Has been following the solar sector since 2020.
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