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Companhia Energética de Minas Gerais

Logo: Unknown author Unknown author, Public domain, via Wikimedia Commons5

Brazilian power company

Companhia Energética de Minas Gerais S.A. (CEMIG; English: Energy Company of Minas Gerais) is a Brazilian power company headquartered in Belo Horizonte, capital of the state of Minas Gerais. The company is one of the main electricity concessionaires in Brazil. It operates in the areas of generation, transmission, distribution and commercialization of electric energy and also in the distribution of natural gas.3 It was founded by Juscelino Kubitschek.1 Its shares trade on NYSE under the symbol CIG.1 Wikipedia text CC BY-SA 4.0

Price unavailable

Last updated Oct 21, 2026.

Overview

39.8BRevenue, fiscal 20246
7.1BNet income, fiscal 20246
May 22, 1952Founded1

Compare with AXIA Energia S.A. or ENERGY CO OF PARANA, or pick any stock.

  • TickerCIG on NYSE1
  • IndustryElectric Services1
  • HeadquartersBelo Horizonte1
  • Websitewww.cemig.com.br
  • Legal formS.A.1
  • Listed onMadrid Stock Exchange (XCMIG), New York Stock Exchange (CIG), São Paulo Stock Exchange (CMIG4)1
  • Business addressC/O Super. Relacoes Investidores - Ri, 1200 Avenida Barbacena, Belo Horizonte, 30190-1317
  • Filer categoryLarge accelerated filer7
  • LEI254900W703PXLDSEM0564
  • StatusActive4
  • LEI statusIssued and current4
  • Registered addressAv. Barbacena 1200, 30190-131 Belo Horizonte, Brazil4
  • Registered withJUCEMG Board of Trade of State of Minas Gerais, 17.155.730/0001-644

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Cemig
Photo: Andrevruas, CC BY 3.0, via Wikimedia Commons9

Companhia Energética de Minas Gerais S.A. (CEMIG; English: Energy Company of Minas Gerais) is a Brazilian power company headquartered in Belo Horizonte, capital of the state of Minas Gerais. The company is one of the main electricity concessionaires in Brazil. It operates in the areas of generation, transmission, distribution and commercialization of electric energy and also in the distribution of natural gas. The company is responsible for 12% of the Brazil's distribution. It is the fourth-largest electricity company in Brazil by revenue after Eletrobras, Energisa and CPFL Energia.3

Financials

From the company’s reports to the SEC. Every number links to the filing it came from. Figures are in BRL, the currency the company reports in.

Key numbers, fiscal 2024

20.5%Gross margin6
17.9%Net margin6
8.1%Revenue growth, 20246
26.0%Return on equity6
0.34×Debt to equity6
4.8B BRLFree cash flow6

What sells

Revenue by product, business segment and region, as the company reports it to the SEC.

Business segments

Energy Distribution brought in 65% of the revenue Companhia Energética de Minas Gerais broke down this way in fiscal 2025.

  1. Energy Distribution29.0B BRL1065%up 9% from 2024
  2. Energy Trading8.4B BRL1019%up 16% from 2024
  3. Energy Generation3.1B BRL107%up 5% from 2024
  4. Gas2.8B BRL106%down 20% from 2024
  5. Energy Transmission1.4B BRL103%up 12% from 2024
  6. Investees120.0M BRL100%down 8% from 2024
Business segments by year
Business segments202320242025
Energy Distribution23.3B BRL26.6B BRL29.0B BRL
Energy Trading7.7B BRL7.3B BRL8.4B BRL
Energy Generation2.9B BRL2.9B BRL3.1B BRL
Gas3.6B BRL3.5B BRL2.8B BRL
Energy Transmission1.1B BRL1.3B BRL1.4B BRL
Investees18.0M BRL131.0M BRL120.0M BRL

Where the money goes

Where each dollar of revenue went, fiscal 2024

  • Cost of revenue74¢31.7B BRL
  • Research and development0¢3.0M BRL
  • Interest5¢2.0B BRL
  • Income tax5¢2.2B BRL
  • Profit17¢7.1B BRL

Out of 39.8B BRL in revenue.6

Where each dollar of operating cash went, fiscal 2024

  • Capital spending12¢671.0M BRL
  • Kept or used elsewhere88¢4.8B BRL

Out of 5.5B BRL of cash from operations.6

Financial statements

Revenue1112131415639.8B BRL in 2024+83% since 2017
010.0B BRL20.0B BRL30.0B BRL40.0B BRL2017: 21.7B BRL21.7B BRL20172018: 22.3B BRL22.3B BRL2018+3%2019: 25.5B BRL25.5B BRL2019+14%2020: 25.2B BRL25.2B BRL2020−1%2021: 33.6B BRL33.6B BRL2021+33%2022: 34.5B BRL34.5B BRL2022+2%2023: 36.9B BRL36.9B BRL2023+7%2024: 39.8B BRL39.8B BRL2024+8%
Gross profit1113141568.2B BRL in 2024+93% since 2017
02.5B BRL5.0B BRL7.5B BRL10.0B BRL2017: 4.2B BRL4.2B BRL20172018: 4.6B BRL4.6B BRL2018+9%2019: 5.9B BRL5.9B BRL2019+28%2020: 5.4B BRL5.4B BRL2020−9%2021: 6.7B BRL6.7B BRL2021+25%2022: 6.8B BRL6.8B BRL2022+1%2023: 8.4B BRL8.4B BRL2023+23%2024: 8.2B BRL8.2B BRL2024−3%
Net income111213141567.1B BRL in 2024+610% since 2017
02.0B BRL4.0B BRL6.0B BRL8.0B BRL2017: 1.0B BRL1.0B BRL20172018: 1.8B BRL1.8B BRL2018+76%2019: 3.2B BRL3.2B BRL2019+81%2020: 2.9B BRL2.9B BRL2020−10%2021: 3.8B BRL3.8B BRL2021+31%2022: 4.1B BRL4.1B BRL2022+9%2023: 5.8B BRL5.8B BRL2023+41%2024: 7.1B BRL7.1B BRL2024+23%

Every line of the income statement as filed: the last 3 fiscal years, latest first.10

Period ending2025-12-312024-12-312023-12-31
REVENUE42.8B BRL39.8B BRL36.9B BRL
Cost of energy and gas-23.7B BRL-22.0B BRL-19.8B BRL
Infrastructure and construction cost-6.1B BRL-5.0B BRL-4.1B BRL
Costs of operation-5.7B BRL-4.7B BRL-4.6B BRL
TOTAL COST-35.5B BRL-31.7B BRL-28.5B BRL
GROSS PROFIT7.2B BRL8.2B BRL8.4B BRL
Expected credit loss-161.0M BRL-175.0M BRL-175.0M BRL
General and administrative expenses-827.0M BRL-820.0M BRL-707.0M BRL
Other expenses125.0M BRL-701.0M BRL-1.0B BRL
Other revenues174.0M BRL3.2B BRL327.0M BRL
Total expenses-689.0M BRL1.5B BRL-1.6B BRL
Share of profit of equity-accounted investees and joint ventures, net of tax201.0M BRL224.0M BRL432.0M BRL
Income before financial revenue expenses and taxes, Total6.7B BRL9.9B BRL7.2B BRL
Finance income982.0M BRL1.4B BRL1.3B BRL
Finance expenses-2.1B BRL-2.0B BRL-1.7B BRL
Net finance expenses-1.1B BRL-521.0M BRL-379.0M BRL
Income before income tax and social contribution tax5.7B BRL9.4B BRL6.9B BRL
Current income tax and social contribution tax-562.0M BRL-1.5B BRL-943.0M BRL
Deferred income tax and social contribution tax-209.0M BRL-744.0M BRL-141.0M BRL
Income tax expense-771.0M BRL-2.2B BRL-1.1B BRL
NET INCOME FOR THE YEAR4.9B BRL7.1B BRL5.8B BRL
Equity holders of the parent4.9B BRL7.1B BRL5.8B BRL
Non-controlling interests2.0M BRL2.0M BRL3.0M BRL

Compare Companhia Energética de Minas Gerais with another company

Corporate structure

Companhia Energética de Minas Gerais sits at the top of its group. 4 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Major holders of Companhia Energética de Minas Gerais

  • BNDES Participacoes S.A. Filed SC 13G on Companhia Energética de Minas Gerais, latest May 3, 2022
  • Companhia Energética de Minas Gerais Belo Horizonte, Brazil
    • Light S.A. Subsidiary · Rio de Janeiro
    • TAESA Lineas Aéreas Subsidiary · Aeropuerto Internacional Benito Juárez
    • CEMIG Geração e Transmissão S.A. Subsidiary · Belo Horizonte, Brazil

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Companhia Energética de Minas Gerais reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Property and equipment

ItemLatestA year beforeChange
Property and equipment, net3.7B BRL6 Dec 31, 20243.3B BRL6 Dec 31, 2023+14.1%
Operating-lease assets (leased space)387.0M BRL6 Dec 31, 2024398.0M BRL6 Dec 31, 2023−2.8%

Investments

ItemLatestA year beforeChange
Cash and cash equivalents1.9B BRL6 Dec 31, 20241.5B BRL6 Dec 31, 2023+23.5%
Long-term investments6.9B BRL6 Dec 31, 20245.7B BRL6 Dec 31, 2023+20.2%

Intangibles and goodwill

ItemLatestA year beforeChange
Intangible assets, net (excluding goodwill)16.8B BRL6 Dec 31, 202415.2B BRL6 Dec 31, 2023+10.2%

The story

Founded by Juscelino Kubitschek on May 22, 1952.1

Cemig was founded in 1952 by the governor of Minas Gerais, Juscelino Kubitschek. It is one of the largest integrated companies in the electricity sector in South America, in number of customers, and one of the largest in Latin America, in kilometers of network and equipment and installations. The group comprises more than 103 companies, 09 consortiums and 02 Equity Investment Funds. It is a publicly traded company controlled by the Government of the State of Minas Gerais and has 200,000 shareholders in 39 countries. Its shares are traded on B3, the New York Stock Exchange and the Madrid Stock Exchange.

From Wikipedia’s article on CEMIG, shared under CC BY-SA 4.0.8

Leadership

Who has led Companhia Energética de Minas Gerais, and when. Pick a name to see everywhere that person has worked.

Chief executive

  1. Reynaldo Passanezi Filho2026
  2. Alexandre Ramos Peixoto2026–now
197019801990200020102020
Board members and other officers (20)

Products and brands

  • electric power

Listed on Wikidata.1

Subsidiaries and ownership

Owners

  • Minas Gerais

Subsidiaries

From Wikidata.1

Timeline

  1. Jun 3, 2026New chief executive Alexandre Ramos Peixoto becomes CEO18
  2. Mar 24, 2026New chief executive Reynaldo Passanezi Filho becomes CEO17
  3. May 22, 1952Founded Founded1

Calendar

Coming up

  1. Nov 13, 2026Reports results for the quarter ending Sep/2026 A year earlier it reported $0.05 a share, on Nov 14, 2025.39

Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). The full markets calendar

Filings

73 filings to the SEC since October 2021: 6 annual reports, 25 insider forms, 1 large holders, 41 other. The latest 20:

  1. Sep 9, 20266-K EDGAR
  2. Jul 16, 20263 PRIMARY DOCUMENT EDGAR
  3. Jul 16, 20263 PRIMARY DOCUMENT EDGAR
  4. Jul 15, 20263 PRIMARY DOCUMENT EDGAR
  5. Jun 9, 20266-K EDGAR
  6. Jun 3, 20263 PRIMARY DOCUMENT EDGAR
  7. May 20, 20263 PRIMARY DOCUMENT EDGAR
  8. May 20, 20263 PRIMARY DOCUMENT EDGAR
  9. May 20, 20263 PRIMARY DOCUMENT EDGAR
  10. May 5, 20264 PRIMARY DOCUMENT EDGAR
  11. Apr 24, 20266-K EDGAR
  12. Apr 17, 202620-F EDGAR
  13. Apr 16, 20263 PRIMARY DOCUMENT EDGAR
  14. Mar 27, 20266-K EDGAR
  15. Mar 24, 20263 PRIMARY DOCUMENT EDGAR
  16. Mar 24, 20263 PRIMARY DOCUMENT EDGAR
  17. Mar 24, 20263 PRIMARY DOCUMENT EDGAR
  18. Mar 24, 20263 PRIMARY DOCUMENT EDGAR
  19. Mar 24, 20263 PRIMARY DOCUMENT EDGAR
  20. Mar 24, 20263 PRIMARY DOCUMENT EDGAR

The 73 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Insider trades

1 open-market trades by officers, directors and large owners since October 2021: 0 buys and 1 sales. Grants, option exercises and gifts are left out.

DateWhoTradeSharesPriceValueFiling
Apr 6, 2026Ferreira de Souza Aloisio MacarioDirectorSale1,550$2.49$3.9KForm 4

From Forms 4 filed with the SEC.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

  • Participacoes S.a. BndesSC 13G, 1 filing May 3, 202240

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 100. Change is in shares since the quarter before.

FundSharesValueShare of the fundChange
BlackRock, Inc.22,809,540$47.9M0.0%+1,807,360
State Street Corp16,652,123$38.2M0.0%+2,007,761
Goldman Sachs Group Inc11,998,815$25.2M0.0%+3,980,691
Vanguard Capital Management LLC10,517,426$22.1M0.0%No change
TSP Capital Management Group, LLC9,123,551$19.2M4.6%New
American Century Companies Inc6,856,051$14.4M0.0%+589,337
Renaissance Technologies LLC5,450,778$11.4M0.0%−2,543,071
Morgan Stanley5,118,233$10.7M0.0%+983,754
Crossmark Global Holdings, Inc.4,027,980$8.5M0.1%−8,674
Mangrove Partners Im, LLC2,625,000$5.5M0.4%No change
Envestnet Asset Management Inc2,574,882$5.4M0.0%−255,963
Jane Street Group, LLC2,557,050$5.4M0.0%+37,839
United Capital Financial Advisors, LLC2,513,297$5.3M0.0%−215,512
Connor, Clark & Lunn Investment Management Ltd.2,246,240$4.7M0.0%No change
Vanguard Fiduciary Trust Co2,092,966$4.4M0.0%−61,697
Robeco Institutional Asset Management B.V.1,857,501$3.9M0.0%−950,079
Qube Research & Technologies Ltd1,574,906$3.3M0.0%+1,292,352
Promethos Capital, LLC1,561,738$3.3M0.9%+169,120
Citadel Advisors LLC1,392,161$2.9M0.0%+459,025
Hsbc Holdings PLC1,357,277$2.9M0.0%−520
Legal & General Group Plc1,279,101$2.7M0.0%−142,751
Northern Trust Corp1,162,815$2.4M0.0%−178,671
Dimensional Fund Advisors LP1,089,137$2.3M0.0%+1,369
UBS Group AG1,068,378$2.2M0.0%−574,579
Stifel Financial Corp955,524$2.0M0.0%+74,553

13F reports cover disclosed long positions in U.S. stocks only.

SEC filer profile

How Companhia Energética de Minas Gerais is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARENERGY CO OF MINAS GERAIS2
  • CIK0001157557
  • Filer statusLarge accelerated filer not an emerging growth company; not a shell company41
  • Incorporated inD541
  • Fiscal year endsDecember 312
  • Industry code (SIC)4911 Electric Services2
  • SEC reviewing officeOffice of Energy & Transportation, Division of Corporation Finance2
  • Business addressC/O Super. Relacoes Investidores - Ri, 1200 Avenida Barbacena, Belo Horizonte, Minas Gerais 30190-131, Brazil2
  • Phone55-31-350650242
  • Shares outstanding956,601,911 Ordinary Shares shares; 1,905,179,984 Preference Shares shares as of Dec 31, 202541
  • AuditorKPMG Auditores Independentes Ltda, São Paulo, SP, Brazil PCAOB ID 1124; it also attests to the company’s internal control over financial reporting41
  • On EDGAR sinceMar 29, 20022
  • Filings360 in all: 6-K (243), 20-F (25), 3 (24), UPLOAD (18), CORRESP (17), NT 20-F (10), 20-F/A (4), SC 13G (4)2
    All 17 form types

    SC 13G/A (4), EFFECT (2), F-6 (2), F-6EF (2), 4 (1), 6-K/A (1), 8-A12B (1), CERTNYS (1), F-6 POS (1)

  • Latest filingsAnnual report (20-F) Apr 17, 2026

Securities registered for trading

ClassSymbolExchange
Preferred Shares, R$5.00 par valueCIGNew York Stock Exchange
Common Shares, R$5.00 par valueCIG.CNew York Stock Exchange

From the cover page of the 20-F filed Apr 17, 2026 (Section 12(b) of the Exchange Act).41

Sources

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