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Fines of Up to R$ 28,000 for Decreased Consumption: Utilities Mistake Off-Grid Solar Energy for Theft and Courts Order Compensation

Written by Bruno Teles
Published on 02/09/2025 at 20:45
Sistemas de energia solar off grid são legais e independentes da rede, mas consumidores vêm recebendo multas abusivas apenas pela redução do consumo registrado no medidor. A Justiça já tem mandado indenizar.
Sistemas de energia solar off grid são legais e independentes da rede, mas consumidores vêm recebendo multas abusivas apenas pela redução do consumo registrado no medidor. A Justiça já tem mandado indenizar.
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The installation of off-grid solar energy — which operates with its own batteries and does not depend on the electrical grid — is growing across Brazil, but along with it come increasing reports of abuses by utilities. Many consumers who drastically reduced their electricity bills are being fined amounts reaching R$ 28 thousand, unfairly accused of fraud.

According to experts from E4 Renewable Energies, the problem is that utilities treat the sharp drop in consumption as an indication of “theft.” However, by law, off-grid systems do not require certification since they do not inject energy into the grid.

How Off-Grid Systems Work

Fines of up to R$ 28 thousand for consumption drop: utilities confuse off-grid solar energy with “theft” and courts already order compensation

The off-grid model is completely independent of the utility. The energy captured by solar panels is stored in batteries and consumed within the home, without interaction with the grid. This means that electricity bills can drop from 300 to 500 kWh/month to less than 100 kWh, as only a few appliances remain connected to the public grid.

This behavior is legitimate and expected in homes that opt for energy self-sufficiency. The problem is that, in many cases, energy companies interpret the drop in consumption as fraud, even without finding any technical irregularities in the meter.

Fines Imposed Without Evidence of Irregularity

There are reports of penalties of R$ 5 thousand, R$ 12 thousand, and even R$ 28 thousand against consumers who did nothing more than save. In some cases, there were not even solar panels: families who traveled for long periods or replaced old appliances with efficient models were also fined.

According to the Consumer Defense Code and recent court decisions, the utility has the obligation to prove fraud, not the other way around. Just the drop in consumption does not justify a penalty. Several customers have already managed, in court, to annul the charges and even obtain compensation for moral damages.

What to Do to Avoid Problems

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Experts recommend some preventive measures for those installing off-grid systems:

  • Notify the utility in advance about the change in consumption pattern.
  • Change the account holder, creating a new consumption history.
  • Document the installation of the system and keep invoices and technical reports.

These actions help reduce the risk of incorrect fines and provide evidence in case of judicial dispute.

Courts Have Ruled in Favor of Consumers

When the utility imposes fines without technical proof, the courts have reiterated that no penalty is warranted based on mere presumption. In several rulings, in addition to annulling the charges, courts have ordered financial compensation for affected consumers.

Do you think that utilities act abusively in these cases of off-grid solar energy? Have you been through a similar situation? Share your experience in the comments — your account can help other consumers protect themselves.

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Amilton Pedro
Amilton Pedro
04/09/2025 09:20

Infelizmente quem postou a reportagem não conhece absolutamente NADA do assunto de cobrança de irregularidades de energia, já fiz defesas técnicas e obtive sucessos de cobranças acima de 100 mil, duzentos mil, trezentos mil, quatrocentos mil. As concessionarias do pais depois de colocar equipes terceirizadas, sem nenhum treinamento adequado para desempenhar tarefa com tanta complexidade e tantos procedimentos a serem cumpridos conforme EXIGE a resolução 1.000 ANEEL atualmente vigente, permite o CANCELAMENTO das cobranças do consumidor. O que ocorre é a TOTAL falta do conhecimento técnico na elaboração dos argumentos nos recurso de defesa.
Tenho 40 anos de experiencia nesse segmento, de montagem, de defesas na esfera administrativa, junto a concessionaria, sua ouvidoria e finalmente agencia reguladora (ANEEL)

Bruno Teles

Falo sobre tecnologia, inovação, petróleo e gás. Atualizo diariamente sobre oportunidades no mercado brasileiro. Com mais de 7.000 artigos publicados nos sites CPG, Naval Porto Estaleiro, Mineração Brasil e Obras Construção Civil. Sugestão de pauta? Manda no brunotelesredator@gmail.com

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