Provision of the supervision service for the construction of the project associated with the adaptation works due to an increase in the short-circuit level to 40 kA of the 220 kV Sabanalarga substation, owned by TRANSELCA S.A. E.S.P.

Provision of technical and administrative supervision services, during the phases of design, execution, commissioning of the provision of goods, construction and assembly of the underground and aerial section of the 220kV lines Termoflores - Nueva Barranquilla 1 and 2 LN 824 / 825 MALL PLAZA Project.

Provision of technical and administrative auditing services for monitoring and control, during the phases of design, execution, commissioning in commercial operation and final documentation of the UPME 09-2016 Project- Copey Transmission Line- Cuestecitas 500 Kv and Copey -Fundación 220 Kv.

Provision of work control services, for monitoring and control during the execution phases, commissioning in commercial operation and final documentation for the project Expansion of the Urabá Substation 230kV.

Provision of technical and administrative supervision services for monitoring and control, during the phases of design, execution, commissioning in commercial operation and final documentation of the Project UPME 03-2017-Transformer Bay 220 Kv Valledupar Substation.

Provision of technical and administrative auditing services for monitoring and control, during the phases of design, execution, commissioning in commercial operation and final documentation of the UPME STR 04-2017 Project- third transformer 220 / 34.5 Kv 60 MVA in the Valledupar Substation.

Provision of technical and administrative supervision services for monitoring and control, during the phases of design, execution, commissioning in commercial operation and final documentation of the UPME STR Project 02-2017- third transformer 220/110 Kv 150 MVA in the Substation El Bosque.

Provision of technical and administrative auditing services for monitoring and control, during the phases of design, execution, commissioning in commercial operation and final documentation of the UPME STR Project 02-2017- third transformer 220/110 Kv 150 MVA in the Substation El Bosque.

Provision of Technical and Administrative Auditing Services for Monitoring and Control, during the phases of design, execution, commissioning in commercial operation and final documentation for TRANSELCA Substation Connection projects executed by third parties. ‘Connection of one (1) line bay called Caucasia 2-110kV in the Cerromatoso Substation, executed by EMPRESAS PUBLICAS DE MEDELLÍN - EPM.

Provision of Technical and Administrative Auditing Services for Monitoring and Control, during the phases of design, execution, commissioning in commercial operation and final documentation for TRANSELCA Substation Connection projects executed by third parties. ‘Connection of one (1) 220kV line bay to feed the second Bolívar - Termocartagena line according to the scope defined for the works in the Termocartagena substation in the UPME STR05-2012 call.

Provision of technical and administrative supervision services for the connection and installation of one (1) 220/110 / 13.8 kV -100 MVA transformer, a 110Kv transformation bay and a 13.8 kV arrival cell for the connection of the new 220/110 / 13.8kV - 100 MVA transformer and the extension of the 110 and 13.8 kV busbars, and / or connections to them, for the installation of the 110 kV and 13.8 kV bays aforementioned, in the Nueva Barranquilla substation, according to the scope defined for the works in the Nueva Barranquilla substation in the UPME STR-11 2015 public call.

Provision of Technical and Administrative Auditing Services for Monitoring and Control, during the phases of design, execution, commissioning in commercial operation and final documentation for TRANSELCA Substation Connection projects executed by third parties. ‘Connection of the 220kV transformation bay for the high side of the 220/110 39 kV transformer to be installed, will be in charge of the selected Investor, resulting from the UPME Public Call 08-2014.

Provision of Consulting Services for the physical feasibility study for the connection of a new 100 MW generation bay of solar photovoltaic type in the Copey electrical substation, department of Cesar.

Provision of Consulting Services for the physical feasibility study for the connection of a new 100 MW generation bay of the photovoltaic solar type in the Fundación electrical substation, Magdalena department.

Provision of Consulting Services for the physical feasibility study for the connection of a new 100 MW generation bay of the photovoltaic solar type Fundación

Provision of Technical, Administrative and Financial Auditing services for the supply of materials, construction of civil works, and underground electrical networks and public lighting of urban planning projects carried out by GRUPO ARGOS SA- Urban Development Business in the city of Barranquilla

Provision of Technical and Administrative Auditing Services for Monitoring and Control, during the phases of design, execution, commissioning in commercial operation and final documentation for TRANSELCA Substation Connection projects executed by third parties. '' Connection of two (2) 220kV transformation bays and two (2) 110kV transformation bays for the connection of the new 220 / 110kV transformers, and the extension of the busbars to 220kV and 110kV, and / or connections to the same, for the installation of the 220kV and 110kV bays referred to above, in the Cuestecitas Substation, executed by EPSA in accordance with the purpose and scope defined in the documents of the Public Call UPME STR 01-2015

Construction of a temporary collection center for hazardous waste in SE DRUMMOND.

Provision of the Technical and Administrative Audit service during the performance of activities and development of detailed engineering and design works, construction of civil works, supply of materials, equipment and systems, maintenance, electromechanical assembly, tests, delivery in service , review and approval of technical documentation to be executed in the Nueva Barranquilla 110 / 13.8 kV 45 MVA Substation Expansion Connection Project, contracted by TRANSELCA under the Turnkey modality (EPC - Engineering, Procurement and Construction)

Provision of Technical and Administrative Audit Services during the performance of activities and development of detailed engineering and design works, construction of civil works, supply of materials, equipment and systems, electromechanical assembly, tests, delivery in service, revision and approval of technical documentation to be executed in the Sabanalarga 220/115 / 13.8 kV 90 MVA Substation Expansion Connection Project, contracted by TRANSELCA under the EPC (Engineering, Procurement and Construction) modality

Provision of the Technical Audit service during the activities and development of the detailed engineering and design works, the construction of civil works, electromechanical assembly, tests, delivery in service, review and approval of technical and regulatory documentation that will be executed in the DRUMMOND provisional T-connection project that includes the construction of a 220 / 22.7 kV - 40 MVA electrical substation, double switch configuration with two line bays, a transformation bay and a 235-meter 220 KV line.

Provision of Technical and Administrative Audit Services during the performance of activities and development of detailed engineering and design works, construction of civil works, supply of materials, equipment and systems, electromechanical assembly, tests, delivery in service, revision and approval of technical documentation to be executed in the 220/110 / 34.5 KV - 100/70/30 MVA transformation expansion project, 34.5 / 13.8 KV - 35 MVA transformation, and one (1) 110 KV line output in Santa Marta substation contracted by TRANSELCA SAESP, under the EPC (ENGINEERING, PROCUREMENT, CONSTRUCTION) modality.

Provision of Technical, Administrative and Environmental Auditing Services during the performance of activities and development of detailed engineering and design works, construction of civil works, supply of materials, equipment and systems, electromechanical assembly, tests, delivery in service, review and approval of technical documentation that will be executed in the Gecelca 3 connection project. Development of basic engineering and detailed engineering, both civil and electromechanical, manufacturing, FAT tests, supply of materials and equipment, construction of civil works, constructions electromechanical, installations, assemblies; adjustments, SAT tests, functional tests, commissioning tests, delivery of technical and administrative documentation and commercial start-up of the Gecelca 3 connection project, which includes:

• Expansion of the Cerromatoso 110 KV substation: two (2) line bays for circuits 1 and 2 of GECELCA 3 and the relocation of line bays LN 733 and LN 734.
• Construction of the GECELCA 3 110 KV substation: A new 110 KV GECELCA 3 substation, ring type, consisting of five (5) bays: Two (2) lines for the GECELCA 1 and 2 circuits, and three (3) bays transformation for the generation units of the GECELCA 3 thermal plant.
• Construction of a 110 KV line: With an approximate length of 14 km, double circuit, in metallic towers, two (2) conductors per phase type AAAC GREELY, with two guard cables, with polymeric insulators, hot galvanized steel fittings; that will connect the Cerromatoso substation with the new GECELCA 3 substation located in the GECELCA 3 special permanent free zone, ZFPEG3, of the GECELCA 3 thermal power plant under construction.

Provision of Permanent Consulting services in the Design, Assembly and Commissioning phases of the connection module of the Termoflores IV unit at 220 kV and the conversion of the Termoflores 2 substation to 110 kV from single busbar to main bus plus transfer more by -pass..

Provision of Consulting Services for the development of Detailed Engineering for the change of the Control system of the Termoflores 110 Kv substation. Construction of a 220 kV connection bay for the connection of the TERMOFLORES IV - 150 MVA generation plant in the Termoflores II -220 kV Substation, in a Switch-and-a-half configuration and conversion of the Termoflores II 110 kV substation from a single bar configuration to main bar plus transfer plus bypass, in EPC (Engineering, Procurement and Construction) mode.