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.
+32 vs industry average
Cemig’s score of 57 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 38% since 2019
Emissions trajectory 2020 – 2027
Reported emissions
Scope 3 accounts for ••• of total emissions.
Cemig's reported carbon emissions
Cemig, a transmission services provider headquartered in Brazil, has reported its carbon emissions data. In 2024, Cemig's total reported greenhouse gas emissions were approximately 6.31 billion kg CO2e. This total is comprised of Scope 1 emissions amounting to about 42.86 million kg CO2e, Scope 2 emissions of approximately 376.17 million kg CO2e, and substantial Scope 3 emissions totalling around 5.91 billion kg CO2e. The company has established ambitious climate commitments. Cemig aims for a significant reduction in absolute greenhouse gas emissions, targeting a 70.8% decrease by 2030, using 2021 as the baseline year. This commitment extends to specific scopes, with plans to reduce absolute Scope 1 and 2 emissions by 70.8% by 2030. Furthermore, Cemig has set long-term goals, including achieving net-zero emissions by 2040. To support these goals, the company is also focused on reducing Scope 3 emissions, with targets for fuel and energy-related activities (75.8% reduction per MWh by 2030) and other Scope 3 categories (42.0% reduction by 2030). Long-term Scope 1 and 2 reductions are targeted at 90.0% by 2040. Cemig also aims to offset 100% of its Scope 1 emissions by 2026.
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Cemig’s Climate Goals (2030 & 2050)
1 goal2030
70.8% reduction in all scopes
Reduce absolute GHG emissions by 70.8% 2021 1 and 2 2030 (short term) -55% Reduce absolute GHG emissions by 90.0% 2021 1 and 2 2040 (long te…
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
See all 1 climate goals
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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
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