Lear more about it: “UniverCemig” is our corporate university. Its main purpose is to integrate our staff, providing knowledge sharing and a greater improvement in their functions. The program, which seeks to link people development actions to the Company’s strategic planning, was implemented in December 2008. The knowledg...

You have probably heard of hourly rates. This modality, also called THS, is a set of tariffs applied to energy consumption and contracted demand for group A customers, which is usually served by a substation with higher voltage and high energy consumption, such as industries, businesses and large condominiums.  The prices of your tariff v...

Air, sun, water, firewood, coal and oil are some sources of energy. The energy we produce the most is hydraulic, generated by the force of the river water, which is transformed into electrical energy through hydroelectric power plants. The power plant is built on the river, formed by a lake, dam, powerhouse, elevating subst...

Brazil has large territorial dimensions. As a consequence, there are also significant hydrological differences between the various regions in the country, with periods of drought and rainfall not coinciding. To take advantage of this diversity and minimize the risks of supply failures, the national electrical system is interconnected, tha...

Did you know that electricity goes a long way to get to your home? It is transported through transmission lines and reaches its destination through distribution networks. These networks are made up of poles, cables and transformers which, in turn, bring electricity to homes, industries, hospitals, schools, among other places. Our distributi...

Smart power grids (or smart grid), are a new electrical power distribution architecture. Safer and smarter, they integrate and enable actions for all users connected to them. In this concept, the flow of electrical energy and information takes place in a bidirectional way. In other words: that energy traditionally generated...

Pruning and cutting trees is often necessary for our safety and also for the maintenance of energy grids. One of the biggest causes of interruptions in power supply occurs when trees or parts of them grow too big or fall on electricity distribution and transmission grids.   These interferences also contribute to reduci...

Water is a valuable asset indispensable for our survival and that of all living beings. And, contrary to what was said in the past, it is an exhaustible resource. Brazil is a privileged country, as it holds 13% of the Earth’s fresh water. This water is distributed in our country in a very diverse way: 80% of this volume is found in the Amazo...

Cyanobacteria are believed to be the first photosynthesizing microorganisms to inhabit the planet. They have great phenotypic and ecological plasticity, with possibilities of adaptation to the most diverse environments and regions, being considered cosmopolitan because they have wide ecological value. Under natural conditions cyanobacteri...

Eutrophication, resulting from the external loads of nutrients received by a body of water, or from internal nutrient cycling processes, can lead to explosive growth of algae or macrophytes and alter the composition and dominance of biotic communities. Usually, during eutrophication, different ecological groups of macrophytes coloniz...

Have you ever heard of the golden mussel? It is a small freshwater mollusk (three to four centimeters long) originating from Southeast Asia that arrived in Brazil by the waters used as ballast in cargo ships. Due to its ease of attachment to rigid structures and great proliferation capacity, the golden mussel stands out as an invasive spe...

The so-called SHPs (Small Hydroelectric Plants) are gaining more space within the Cemig Group. Our main purpose is to explore and use these assets in a more efficient way, with powerful and real investment in renewable energy.   What is the advantage of this movement? Up to now, we have been able to identify 23 plants,...