Starting in 2027, all federal government buildings must achieve level "A" on the ENCE (National Energy Conservation Label). States, municipalities, and the Federal District will have until 2040 to progressively achieve the same standard.
This determination is part of a new regulation from the CGIEE (Energy Efficiency Index and Level Management Committee) of the MME (Ministry of Mines and Energy). The new rules impose minimum efficiency targets for new buildings and staggered timelines by government level.
In the private sector, for commercial and private residential buildings, the minimum standard becomes Level C, which, in practice, equates to compliance with technical standards from ABNT (Brazilian Association of Technical Standards). Social housing is also subject to this minimum standard.
Pros
The requirement aims to achieve concrete gains in thermal comfort and natural lighting, reducing the demand for electricity and alleviating the burden on the electrical system, highlights the MME.
The CGIEE document also highlights a reduction in greenhouse gas emissions and positive economic effects, such as job and income generation resulting from the transition in the construction chain.
For low-income families, applying Level C to affordable housing promises lower energy costs and better housing quality. The CGIEE estimates cumulative savings of 1,3 million MWh between 2030 and 2040 for this segment.
The resolution also seeks to reduce bureaucracy by establishing proof through self-declaration integrated with the Technical Responsibility Note (ART) in private works, at no additional cost, and sample inspection by Inmetro.
History and next steps
The standard was unanimously approved by the CGIEE after a regulatory impact analysis and more than 130 public contributions. According to the MME, it was not just an internal government initiative, but a negotiated text.
The deadlines apply only to projects submitted after the phases expire, preserving ongoing projects. The ministry released a teaching guide with basic questions and answers about the changes introduced by the new regulation.
Over the next 12 months, the committee promises a support plan with more agile certification, technical training, and incentive and financing mechanisms.
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