The supplier qualification system aims to create and manage lists of qualified suppliers, with a view to selecting competitors or participants, respectively, in limited competitions by prior qualification or in negotiation procedures, involving the following purchasing subcategories:
100201 Naked Cables for Lines and Substations MAT
100204 Insulated Cables MAT
100401 Supports for Aerial Lines
100501 Control and Protection Systems (SCP)
100502 Command and Control Systems, Gas Infrastructure (SCC G)
100602 Operating Platforms for Electric Energy Markets
100603 Primary Asset Monitoring Systems of the Electric
100604 Update of Third-Party Access Systems to the Network (ATR)
100702 Autotransformers, Power Transformers MAT, SHUNT Reactances, and Phase-shifting Autotransformers
100801 Measuring Transformers
100803 Circuit Breakers
100804 Switches
100805 Surge Arresters
100806 Shielded Equipment MAT and AT
101301 Power Supply Systems - Batteries, Rectifiers, UPS, and Inverters
101304 Sustainable Auxiliary Services Systems (3SA)
101401 Electric Line Project Services
101406 Civil Engineering Project Services - Electrical Installations MAT
101502 Contract for Construction, Remodeling, and Maintenance of Electric Lines MAT
101503 Contracts for Construction and Remodeling of Buildings and Infrastructure
101504 General Electrical Installation (IEG)
101509 Contract for Construction, Remodeling, and Maintenance of Electric Lines MAT- TET
101512 Contract for Construction of High-Pressure Natural Gas Infrastructure (AP)
101702 Maintenance of Easements and Heritage (land)
101703 Establishment of Easements
101704 Vegetation Management Machines
101804 Integrated QAS Supervision Services
200106 Cartography and Topography Services
200203 Maintenance and Management Services for Buildings and Infrastructure
200204 Cleaning Services for Facilities
200206 Surveillance and Physical Security Services
200606 Application Management and Project Implementation in SAP
200607 Application Management and Project Implementation in SharePoint, K2, .NET, and Outsystems
200704 Industrial Voice Systems
200705 SDH/DWDM Systems
200706 Cisco IP/MPLS Transmission Systems
200801 Travel and Stays
200902 Fuels
201601 Provision of Contact Center Services and Commercial Cycle Operations

LOT-0001
Supplier qualification system of the REN group.
The supplier qualification system aims to create and manage lists of qualified suppliers, with a view to selecting competitors or participants, respectively, in limited competitions by prior qualification or in negotiation procedures, involving the following purchasing subcategories:
100201 Naked Cables for Lines and Substations MAT
100204 Insulated Cables MAT
100401 Supports for Aerial Lines
100501 Control and Protection Systems (SCP)
100502 Command and Control Systems, Gas Infrastructure (SCC G)
100602 Operating Platforms for Electric Energy Markets
100603 Primary Asset Monitoring Systems of the Electric
100604 Update of Third-Party Access Systems to the Network (ATR)
100702 Autotransformers, Power Transformers MAT, SHUNT Reactances, and Phase-shifting Autotransformers
100801 Measuring Transformers
100803 Circuit Breakers
100804 Switches
100805 Surge Arresters
100806 Shielded Equipment MAT and AT
101301 Power Supply Systems - Batteries, Rectifiers, UPS, and Inverters
101304 Sustainable Auxiliary Services Systems (3SA)
101401 Electric Line Project Services
101406 Civil Engineering Project Services - Electrical Installations MAT
101502 Contract for Construction, Remodeling, and Maintenance of Electric Lines MAT
101503 Contracts for Construction and Remodeling of Buildings and Infrastructure
101504 General Electrical Installation (IEG)
101509 Contract for Construction, Remodeling, and Maintenance of Electric Lines MAT- TET
101512 Contract for Construction of High-Pressure Natural Gas Infrastructure (AP)
101702 Maintenance of Easements and Heritage (land)
101703 Establishment of Easements
101704 Vegetation Management Machines
101804 Integrated QAS Supervision Services
200106 Cartography and Topography Services
200203 Maintenance and Management Services for Buildings and Infrastructure
200204 Cleaning Services for Facilities
200206 Surveillance and Physical Security Services
200606 Application Management and Project Implementation in SAP
200607 Application Management and Project Implementation in SharePoint, K2, .NET, and Outsystems
200704 Industrial Voice Systems
200705 SDH/DWDM Systems
200706 Cisco IP/MPLS Transmission Systems
200801 Travel and Stays
200902 Fuels
201601 Provision of Contact Center Services and Commercial Cycle Operations