Brazil implements gradual charges for solar energy distribution infrastructure

The Brazilian government enacted Law 14.300 to regulate the gradual charging of costs for using the power distribution network by solar energy producers.

This legal framework ended the unrestricted exemption of network usage fees to address tariff distortions where local distributors previously covered maintenance costs for those who only used the grid. The law establishes a transition schedule for new solar installations.

These systems will face a 60% charge on the tariff component for energy injected into the grid in 2026. This percentage will rise to 75% in 2027 and 90% in 2028, reaching a final compensation rule in 2029. However, consumers who requested access before January 2023 remain exempt from these fees until 2045.

Anderson Oliveira, CEO of EcoPower Energia Solar, states that solar technology remains profitable because the cost of financing a system is often lower than the monthly electricity bill. He notes that while distributor bills are permanent, project financing has a finite term, such as 36 or 60 months. Once a consumer pays off the project, the savings become direct investments for families or businesses. The legislation also requires financial guarantees for large projects to prevent real estate speculation.

Plants with a power capacity between 500 kW and 1,000 kW must provide a guarantee of 2.5% of their total value, while installations exceeding 1,000 kW must provide 5%. The National Electric Energy Agency (Aneel) and the National Council for Energy Policy (CNPE) continue to manage the operational costs and benefits of these decentralized systems.