Cemig, officially known as Companhia Energética de Minas Gerais, is a leading player in the transmission services of electricity sector, headquartered in Belo Horizonte, Brazil. Established in 1952, Cemig has grown to become a pivotal provider of energy solutions across Minas Gerais and beyond, serving millions of customers with reliable electricity transmission.
The company excels in delivering high-quality transmission services, leveraging advanced technology and a robust infrastructure. Cemig's commitment to sustainability and innovation sets it apart in the industry, ensuring efficient energy distribution while minimising environmental impact. With a strong market position, Cemig has received numerous accolades for its operational excellence and customer service, solidifying its reputation as a trusted energy provider in Brazil.
+31 vs industry average
Cemig’s score of 58 is higher than 73% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
Electricity Transmission is among the most carbon-intensive industries
Industry performance
The Electricity Transmission industry has reduced its overall emissions by 36% since 2018
Emissions trajectory 2020 – 2027
Reported emissions
Scope 3 accounts for ••• of total emissions.
Cemig's reported carbon emissions
Cemig, a transmission services provider based in Brazil, has reported substantial greenhouse gas (GHG) emissions. In 2024, the company's total calculated emissions reached approximately 6.43 billion kg CO2e. This figure is a sum of Scope 1, Scope 2, and Scope 3 emissions.
Scope 1 emissions for 2024 amounted to approximately 42.86 million kg CO2e, with significant contributions from mobile combustion and fugitive emissions. Scope 2 emissions were reported at around 376.17 million kg CO2e, primarily from purchased electricity. Scope 3 emissions were the largest component, totalling approximately 5.91 billion kg CO2e, heavily influenced by fuel and energy-related activities and the use of sold products.
Cemig has set ambitious climate commitments, including a near-term target to reduce absolute GHG emissions of scopes 1 and 2 by 69.4% by 2030, using 2021 as the base year. The company also aims to achieve net-zero GHG emissions across its value chain by 2040. Further targets include a 70.8% reduction in absolute GHG emissions for scopes 1 and 2 by 2030 and a 90.0% reduction by 2040, both against a 2021 baseline. Cemig also has long-term goals to reduce absolute scope 3 GHG emissions from the use of sold products by 90.0% by 2040 and all remaining absolute scope 3 emissions by 90.0% by 2040.
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Cemig’s Climate Goals (2030 & 2050)
11 goals2040
90% reduction in Scope 1
Companhia Energética de Minas Gerais - Cemig commits to reduce absolute scope 1 GHG emissions 90.0% by 2040 from a 2021 base year.
2040
90% reduction in Scope 2
Companhia Energética de Minas Gerais - Cemig commits to reduce absolute scope 2 GHG emissions 90.0% by 2040 from a 2021 base year.
2030
70.8% reduction in Scope 2
Companhia Energética de Minas Gerais - Cemig commits to reduce absolute scope 2 GHG emissions 70.8% by 2030 from a 2021 base year.
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Scope 3 top emissions categories
8 of 15 categories disclosedSee all scope 3 categories
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Climate initiatives

Science Based Targets Initiative

Carbon Disclosure Project
The Climate Pledge
UN Global Compact Climate Champions initiative
RE 100
Climate Action 100
Emissions comparison with industry peers
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Common questions about Cemig’s sustainability data and climate commitments
Data year: 2024
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