Zero electricity bill for low income requires data update in CadÚnico to maintain benefit

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Conta de luz, Tarifa Social

Conta de luz, Tarifa Social - Photo: michelangeloop/ Istockphoto.com

Millions of Brazilian families continue to have access to free electricity bills, a right guaranteed by current legislation that benefits low-income consumers throughout the country. The measure, consolidated after the implementation of Medida Provisória nº 1,300/2025, establishes that residences with monthly consumption of up to 80 kWh are exempt from paying the tariff. The benefit, regulated by Agência Nacional of Energia Elétrica (ANEEL), aims to mitigate economic impacts on the vulnerable population and guarantee energy security in homes that depend on government aid for basic subsistence.

Maintaining this subsidy requires constant attention from beneficiaries regarding eligibility criteria, especially with regard to updating registration with the federal government. Embora inclusion in the program occurs automatically for the majority of those enrolled in the Cadastro Único (CadÚnico), inconsistencies in the data or the lack of renewal of information every two years may lead to the immediate suspension of the discount. The initiative is funded by Conta of Desenvolvimento Energético (CDE) and covers not only financial exemption, but also a social inclusion strategy for isolated communities and traditional groups.

Rate Social from Energia Elétrica – Foto: alberta seddon/ Shutterstock.com

Income criteria and consumption limits for exemption

To access the 100% exemption on the electricity bill, the fundamental criterion is the family’s socioeconomic profile, combined with conscious energy consumption. The main benefit is aimed at families registered with CadÚnico with a per capita monthly income less than or equal to half the minimum wage. Considerando the minimum wage in force in 2026 is R$1,621, the income limit per person in the family must be up to R$810.50. Esse ceiling ensures that the subsidy effectively reaches those with the lowest payment capacity.

In addition to the income criterion, the total exemption strictly depends on the volume of energy used. The 100% discount only applies to the consumption range of up to 80 kWh per month. Caso if the residence exceeds this limit, the excess will be charged, following the conventional rates of the local distributor. Esse model replaced the old tiered discount system, simplifying the application of the benefit and encouraging energy efficiency within homes.

It is important to highlight that the free fee exclusively covers the energy consumption tariff. Outros costs that make up the invoice, such as Contribuição to Custeio from Serviço to Portanto, even with the tariff exemption, the consumer may receive an invoice with residual values ​​relating to these fees.

Specific rules for BPC, indigenous people and quilombolas

The program covers specific groups with different rules, recognizing the particularities of traditional populations and people with disabilities or the elderly. Beneficiários of Benefício of Para this group, the crossing of data between the INSS and the energy distributors facilitates the granting of the discount without excessive bureaucracy.

Indigenous and quilombola communities have expanded conditions within the program. Para these families, 100% free is guaranteed for consumption of up to 50 kWh per month. However, the legislation provides for significant discounts for higher consumption ranges: 40% discount for those consuming between 51 kWh and 100 kWh, and 10% for consumption between 101 kWh and 220 kWh. Essa differentiated structure seeks to meet the needs of communities that often reside in rural areas or isolated energy generation systems.

Another eligible group, which is often unaware of the right, are families with a monthly income of up to three minimum wages (R$4,863 in current values) who have an illness or disability whose treatment requires the continued use of electrical devices. In Nesses cases, it is mandatory to present an updated medical report to the energy distributor, proving the need for the equipment to maintain the patient’s life or health.

Procedures for registering and updating data

Registration automation was one of the greatest advances in public policy, eliminating the need for a formal request for most users. Energy distributors are obliged to periodically consult the CadÚnico and BPC database to identify new beneficiaries. Contudo, for this mechanism to work, the electricity bill must, preferably, be under the ownership of the person enrolled in the social programs.

If the benefit is not applied automatically, the consumer must act proactively. The first step is to check the registration status at the nearest Centro of Referência of Assistência Social (CRAS). Outdated Dados, such as a different address or incorrect family composition, are the main causes of the discount being denied or canceled. Registration updating is mandatory every two years, under penalty of exclusion from CadÚnico and, consequently, from Tarifa Social.

For families who live in rented properties or who are not account holders, it is possible to request inclusion in the Tarifa Social by informing the distributor of the CadÚnico family code and the benefit holder’s CPF. Não é necessário que a conta de luz esteja no nome do beneficiário, mas o vínculo deve ser comprovado para evitar duplicidade, já que cada família tem direito ao desconto em apenas uma unidade consumidora.

Financial impact and tips for conscious consumption

The savings generated by the tariff exemption represent a significant relief for the domestic budget. Para for a family that consumes the ceiling of 80 kWh, the annual savings can exceed the R$800 mark, an amount that can be redirected towards food, health or education. The government estimates that the program will indirectly inject billions of reais into the economy by increasing the purchasing power of classes D and E.

To ensure that consumption remains within the exemption range, experts recommend adopting simple energy efficiency habits. Replacing incandescent or fluorescent lamps with LED models is one of the most effective measures. Além In addition, avoiding the use of an electric shower during peak times and at high temperatures, as well as checking the sealing of refrigerators, are actions that prevent the waste of kilowatts.

Check out some best practices to maintain the benefit:

– Monitorar the energy meter weekly to control the average consumption.
– Aproveitar maximize natural lighting by opening windows and curtains.
– Desligar unplug appliances when not in use to avoid stand-by consumption.
– Realizar preventive maintenance of old household appliances, which tend to consume more energy.

Program financing and sustainability

The economic viability of Tarifa Social of Energia Elétrica is guaranteed by the resources of Conta of Desenvolvimento Energético (CDE). Este sector fund is made up of charges charged to all energy consumers in the country, in addition to fines applied by ANEEL and resources from Orçamento from União. The budget allocated to the subsidy is defined annually and passed on to the distributors to cover the difference in revenue generated by the exemptions.

In 2025, the program required an investment of more than R$4.4 billion, an amount that tends to be adjusted according to the adhesion of new families and variations in the cost of energy generation. The public policy also covers service to remote regions, especially in the Norte region, where the cost of generation is higher due to dependence on isolated systems, often powered by diesel. Free provision in these areas fulfills a dual role: social assistance and encouraging the formalization of access to energy, reducing non-technical losses known as “cats”.