AREAS OF EXPERTISE

TO GO FURTHER, SHARING ACHIEVEMENTS

COTESA offers several services to meet the demands of the energy sector and integrates the select group of national private companies with consolidated expertise and competence in the area. This is possible thanks to permanent investment and attention dedicated to the qualification of its human resources and in the development of its own and customized technologies.

  • Operation

    Operation

    Centro de operações próprio e uma equipe qualificada e certificada

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  • Maintenance

    Maintenance

    Equipes locais atuando diretamente nas plantas

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  • Consulting engineering

    Consulting engineering

    Engenharia do proprietário e comissionamento

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  • Commercialization

    Commercialization

    Gestão no Mercado Livre de Energia

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  • Management Solutions

    Management Solutions

    Equipe especializada em contabilidade do setor elétrico

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  • Operation

    COTESA has its own Operations Center and a team trained and certified to act within the operational requirements and to ensure the availability of the operated systems. Operating on a 24×7 basis it continuously monitors risks and flaws, which enables immediate action to be taken to ensure the necessary repairs are done in the shortest time possible. This decreases the likelihood of damage and loss to the client due to unexpected power failure.

    Currently, the company operates about 1,500 MW from Wind Farms, Photovoltaic Power Stations, and High Voltage Transmission Lines to SHPs.

    The services provided by COTESA include real-time operation, before and after operation support and the creation of manuals, procedures, normative instructions and maneuvering and systems energization plans. The company also works with Operations Engineering, keeping a critical eye on its own processes and results.

    While in the scope of Operations Engineering, COTESA represents its clients in the institutional relationship with the National Electric System Operator and other regulatory and sectorial departments. Furthermore, the group engages in special situations, such as the protection of external agents, forced shutdowns, first energization of equipment, access to transmission facilities, elaboration of operational agreements, among others.

  • Maintenance

     

    COTESA has local teams working directly in the plants who are qualified to perform predictive, preventive and corrective maintenance, according to manufacturers and clients’ criteria, aiming at the maximum availability and reliability of the systems. So far there have been 192 thousand man-hours in maintenance. Engineering professionals, through the best computer management resources, accompany all procedures in order to ensure a strict planning, standardization and traceability of processes.

    The performance of maintenance services is integrated to the operation, which ensures the desirable operational functioning. Furthermore, COTESA manages performance indicators in order to monitor deviations, ensure the action taking at managerial and strategic levels, and optimize resources. It also manages the system for calculating transmission and the monthly calculation of clients’ services and charges before the National Electric System Operator (NSO), including the necessary technical disputes to the reduction of any discounts.

    In addition, COTESA operates services on live-lines of up to 600 kV and offers support to the preparation of technical documentation, hiring of suppliers and equipment acquisition. The group also ensures that each contract has a contingency plan adapted to its idiosyncrasies and aimed at reestablishing the systems affected by accidents (so as to preserve the integrity of the facilities, the surrounding areas and the environment) by taking fast and efficient action.

  • Consulting engineering

    COTESA offers Owner Engineering services, encompassing a set of competencies such as:

    • Analysis of Electrical, Civil and Mechanical Executive Project
    • Analysis of Electrical Studies
    • Civil construction and assembly of transmission lines and substations
    • Topography and geology services
    • Assembly supervision
    • Construction site supervision
    • Systems of Substation Protection, Control and Supervision (SPCS)
    • Elaboration of Technical Specifications material

    The company also offers test and commissioning solutions to substations, SHPs and transmission lines, in direct and alternating currents. The aim is to guarantee that systems, machines and equipment comply with design requirements and ar in appropriate operating conditions. The commissioning solutions include technical assistance during the energization tests and during the initial phase of the operation, which increases range of control.

  • Commercialization

    COTESA offers its clientes who wish to migrate to the Free Market the ‘Management in the Free Energy Market’ as well as consulting services. The group analyzes consumption and demand and tracks opportunities. It purchases and sells of energy, manages processes before regulation entities and manages generators before the Electric Energy Trading Chamber.

  • Management Solutions

    COTESA manages its clients financial and accounting operations so that they can fully concentrate their efforts on their main activities. The group has a team specialized in accounting for the energy sector and provides services in administrative support, human resources, taxes, finance, acquisition (public procurement, bidding) and regulatory. Finally, it also monitors R&D projects.

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