Company Description
Companhia Energética de Minas Gerais – CEMIG (NYSE: CIG) is a publicly held Brazilian utilities company that operates in the electric energy and gas sectors. According to its regulatory disclosures, the company is domiciled in Brazil and is controlled by the State of Minas Gerais. CEMIG has shares traded on the stock exchanges of São Paulo and New York, and its preferred shares have also been listed on the Madrid stock exchange’s Latibex segment, from which the company has approved a delisting process. The company’s activities cover the construction, operation and commercialization of systems for the generation, transmission, distribution and sale of energy, as well as activities in various fields of the energy sector and gas distribution, either directly or through subsidiaries and other investees.
CEMIG operates through distinct business segments that reflect its role in the Brazilian energy market. In its filings, it presents results for electricity generation, transmission, trading, distribution, gas and equity interests. These segments are consolidated in its financial reporting and are supported by wholly owned subsidiaries, including CEMIG Geração e Transmissão S.A. (CEMIG GT) and Gasmig. The company’s consolidated electricity market includes millions of clients across residential, industrial, commercial, rural and public service categories, as well as other agents in the Brazilian electricity sector.
Business model and segments
CEMIG’s business model, as described in its official documents, is centered on integrated participation in the energy value chain. The company reports net revenue and costs by segment for electricity generation, transmission, trading and distribution, as well as for gas and equity interests. Its disclosures detail the cost of electricity and gas, infrastructure construction costs, operating costs, and segment-level profit before finance income and taxes. This segmentation shows how CEMIG combines regulated distribution and transmission activities with generation, trading and gas operations under a single corporate group.
The company’s electricity distribution activities are conducted mainly through Cemig D, which reports a billed electricity market that includes captive clients and energy transported for free clients and distributors. CEMIG’s filings describe volumes for residential, industrial, commercial and services, rural, public services and concession holders, along with own consumption. The company also reports on energy transported for free clients and other distributors, and tracks total volume carried through its distribution network, including distributed generation and network losses.
On the generation and transmission side, CEMIG consolidates information for Cemig GT and other related entities. Its segment reporting includes net revenue from generation and transmission, costs of electricity, people-related expenses, materials and outsourced services, depreciation and amortization, and operating provisions. The company also discloses information on infrastructure construction costs related to its regulated activities, particularly in distribution and transmission, which appear as specific cost lines in its financial statements.
Ownership and corporate structure
CEMIG is described in its own materials as a state-controlled mixed capital company, with the State of Minas Gerais identified as the controlling shareholder. CEMIG GT is presented as a wholly owned subsidiary of CEMIG Holding. The group structure allows CEMIG to operate through specialized entities for generation and transmission (Cemig GT), distribution (Cemig D), and gas (Gasmig), while maintaining consolidated reporting at the holding level. The company also holds equity interests in other entities, which are reflected in its segment for equity interests and in its line item for gain or loss in non-consolidated investees.
CEMIG’s governance framework includes a Board of Directors, a Fiscal Council and executive management, with shareholder participation through ordinary and extraordinary shareholders’ meetings. The company’s filings describe procedures for remote voting, digital participation in meetings, and documentation requirements for individual and institutional shareholders, illustrating the governance and shareholder engagement mechanisms applicable to a publicly held company in Brazil.
Electricity market and client base
In its interim financial information, CEMIG provides detailed data on its consolidated electricity market. The group reports that it invoices a large client base composed mainly of final consumers and a smaller number of other agents in the Brazilian electricity sector. Its disclosures break down billed electricity to captive clients and energy transported for free clients and distributors, with volumes reported in MWh and GWh for different customer categories.
CEMIG’s reporting distinguishes between captive market consumption and energy transported for free clients, and also accounts for distributed generation and network losses. It provides separate figures for residential, industrial, commercial and services, rural and public services segments, as well as concession holders and own consumption. These data illustrate how changes in industrial and commercial demand, migration to distributed generation and the use of the transmission network affect total energy distributed and transported.
Financial reporting and performance metrics
CEMIG’s financial disclosures include net revenue, costs, gross profit, operating expenses, finance income and expenses, and net profit. The company presents both IFRS and adjusted metrics such as EBITDA and profit by company and by segment. It also reports on operational revenue, operational costs and expenses, finance income and expenses, equity income from non-consolidated investees, and consolidated EBITDA, including regulatory adjustments for transmission.
The company’s segment information shows how net revenue and costs are allocated among generation, transmission, trading, distribution, gas and equity interests. It also provides details on people costs, profit sharing, post-employment liabilities, materials and outsourced services, depreciation and amortization, and operating provisions. These disclosures allow investors to see how CEMIG’s different business lines contribute to consolidated profit before finance income and taxes, and to net profit.
Capital markets presence and dividends
CEMIG states that it is a publicly held company with shares traded on the stock exchanges of São Paulo and New York, and that its shares have also traded on the Madrid stock exchange’s Latibex segment. A material fact disclosed by the company reports that its Board of Directors approved the delisting of the company’s preferred shares from Latibex, with implementation subject to analysis by Latibex. The company characterizes this delisting as aligned with a strategy of simplification.
In its notices to shareholders, CEMIG describes the declaration and payment of interest on equity (IoE) and dividends related to specific fiscal years. It explains that IoE payments are subject to income tax withholding, except for exempt shareholders under applicable legislation, and that payments are processed through its share custodian bank and the Brazilian clearing and custody infrastructure. These communications illustrate the company’s approach to shareholder remuneration and the operational details of distributing proceeds to investors.
Regulatory environment and legal matters
CEMIG’s 6-K filings include several material facts and notices to the market that relate to its regulatory and legal environment. The company reports participation in auctions for Generation Scaling Factor (GSF) credits for concession extensions, resulting in extensions of concessions for specific hydroelectric power plants. It also discloses legal proceedings, such as injunctions granted in class actions against auctions for the sale of concession rights to operate small-scale power plants, and injunctions in collection lawsuits related to supplementary pension plan deficits.
These disclosures show that CEMIG’s operations are closely linked to Brazilian regulatory bodies, including the Brazilian Securities and Exchange Commission (CVM), B3 S.A. – Brasil, Bolsa, Balcão, and sector entities such as the Electric Energy Trading Chamber (CCEE). The company repeatedly states that it will inform shareholders and the market in accordance with CVM rules and applicable legislation, emphasizing its obligations as a listed utility under Brazilian and international securities regulations.
International reporting and SEC filings
CEMIG files annual reports on Form 20-F with the U.S. Securities and Exchange Commission (SEC) for its fiscal years. The company has announced the filing of Form 20-F for multiple consecutive years, making these reports available through the SEC’s website. As a foreign private issuer with shares listed on the New York Stock Exchange, CEMIG also submits current reports on Form 6-K to provide interim financial information, material facts, notices to shareholders and other market communications in English.
Through these filings, investors can access detailed information on CEMIG’s financial statements, segment performance, debt, investments, regulatory revenue, tariff adjustments, supply quality indicators, energy losses, ESG performance and the performance of its shares. The company’s use of Form 20-F and Form 6-K reflects its status as a foreign private issuer under U.S. securities law and its commitment to providing periodic and event-driven information to international investors.
Status and corporate actions
The available documents show CEMIG as an operating utilities group that continues to report earnings, declare interest on equity and dividends, hold shareholders’ meetings and participate in regulatory auctions. The company has communicated specific corporate actions such as the delisting of its preferred shares from Latibex and the organization of an extraordinary shareholders’ meeting to elect members to the Board of Directors and Fiscal Council. These actions are described in formal notices and material facts filed with regulators and disseminated to the market.
FAQs about Companhia Energética de Minas Gerais – CEMIG (CIG)
- What does CEMIG do?
According to its official disclosures, CEMIG is a state-controlled mixed capital company domiciled in Brazil whose corporate purpose includes the construction, operation and commercialization of systems for the generation, transmission, distribution and sale of energy, and activities in various fields of the energy sector and gas distribution, either directly or through subsidiaries and other companies in which it is a shareholder.
- In which markets are CEMIG’s shares traded?
CEMIG states that it is a publicly held company with shares traded on the stock exchanges of São Paulo and New York. It has also reported that its preferred shares have been traded on the Latin American Securities Market (Latibex), a segment of the Madrid Stock Exchange, and that its Board of Directors approved the delisting of these preferred shares from Latibex, subject to analysis by Latibex.
- How is CEMIG structured as a group?
CEMIG’s filings describe it as a holding company (CEMIG Holding) with wholly owned subsidiaries such as CEMIG Geração e Transmissão S.A. (Cemig GT). The group also includes Cemig D, which is associated with distribution activities, and Gasmig, which is presented in the gas segment. CEMIG additionally reports equity interests in other companies, which contribute to its segment for equity interests and equity income.
- What are CEMIG’s main business segments?
In its segment reporting, CEMIG identifies segments for electricity generation, transmission, trading and distribution, as well as a gas segment and a segment for equity interests. The company presents net revenue, costs and profit before finance income and taxes for each of these segments, showing how they contribute to consolidated results.
- How does CEMIG describe its client base in the electricity market?
CEMIG reports that its consolidated electricity market includes millions of clients, most of whom are final consumers. It breaks down billed electricity and transported energy by customer category, including residential, industrial, commercial and services, rural, public services and concession holders, as well as own consumption and other agents in the Brazilian electricity sector.
- What types of financial information does CEMIG disclose?
CEMIG’s financial reports include net revenue, costs of electricity and gas, infrastructure construction costs, operating costs, gross profit, operating expenses, finance income and expenses, income taxes and net profit. The company also presents EBITDA and adjusted EBITDA, profit by company and by segment, and information on investments, debt, regulatory revenue and ESG performance.
- What is CEMIG GT and how is it related to CEMIG?
CEMIG Geração e Transmissão S.A. (CEMIG GT) is described as a wholly owned subsidiary of CEMIG Holding. CEMIG GT is involved in generation and transmission activities and has issued debt securities, such as senior notes, for which it has conducted cash tender offers. When CEMIG GT and CEMIG Holding are referred to collectively, the term “we” may be used in certain financing-related disclosures.
- How does CEMIG communicate with shareholders and the market?
CEMIG uses material facts, notices to the market, notices to shareholders and call notices for shareholders’ meetings, which are filed as exhibits to Form 6-K reports and disseminated under Brazilian regulations. The company also files annual reports on Form 20-F with the SEC, and provides mechanisms for remote voting and digital participation in shareholders’ meetings.
- What regulatory and legal issues has CEMIG reported?
CEMIG has disclosed participation in auctions for Generation Scaling Factor credits for concession extensions, legal actions related to the sale of concession rights for small-scale power plants, and injunctions in collection lawsuits involving supplementary pension plan deficits. It states that it will keep shareholders and the market informed about such matters in accordance with CVM rules and applicable legislation.
- Does CEMIG still operate as an energy company?
The company’s recent filings and news releases show ongoing operations, including the filing of annual reports on Form 20-F, publication of interim financial information, declaration and payment of interest on equity and dividends, and participation in regulatory auctions and legal proceedings. These documents present CEMIG as an active utilities group in the Brazilian energy and gas sectors.