PT Tunas Energi Construction (TEC) is a dynamic energy and infrastructure company based in Indonesia, officially established in May 2025. With a clear mission to support the national energy transition and infrastructure development, TEC is committed to delivering high-quality solutions across the electricity sector.
Backed by over 15 years of collective experience through its affiliated companies, TEC brings together proven expertise, technical excellence, and a forward-looking approach to help power Indonesia’s sustainable growth.
Authorized distributor of high-voltage (HV) accessories and components, including TE Connectivity (Tyco Electronics) products.
Complete EPC services for Overhead Transmission Lines (OHL) and energy infrastructure projects
Advanced solutions for underground power transmission to support urban and industrial needs
With strong local networks and experienced professionals across Indonesia, we provide fast, tailored assistance to meet regional project needs—backed by in-depth technical knowledge and local service excellence.
Our heat-shrink and cold-applied terminations (IHVT-H, OHVTH), joints, link boxes, and grounding systems are designed for cables up to 245 kV.
Featuring compact, modular designs and non-tracking insulation, they ensure easy installation, water and corrosion resistance, and long-term reliability in diverse environments.
Our hollow-core, suspension-tension, and station-post insulators are customizable to meet specific mechanical and environmental requirements, offering
reliable performance for high voltage applications in challenging conditions
Our clamps, connectors, and grounding solutions support HVAC and HVDC applications up to 1200 kV. Engineered for durability and field-proven performance, they ensure secure connections and effective grounding in substations worldwide
“Our surge arresters and counters, ranging from 3 kV to 800 kV, are available in porcelain or polymeric housings and meet IEEE and IEC standards. Suitable for intermediate, station, and transmission line applications, they provide robust protection against electrical surges
Our heat-shrink and cold-applied terminations (IHVT-H, OHVTH), joints, link boxes, and grounding systems are designed for cables up to 245 kV.
Featuring compact, modular designs and non-tracking insulation, they ensure easy installation, water and corrosion resistance, and long-term reliability in diverse environments.
Our hollow-core, suspension-tension, and station-post insulators are customizable to meet specific mechanical and environmental requirements, offering
reliable performance for high voltage applications in challenging conditions
Our clamps, connectors, and grounding solutions support HVAC and HVDC applications up to 1200 kV. Engineered for durability and field-proven performance, they ensure secure connections and effective grounding in substations worldwide
“Our surge arresters and counters, ranging from 3 kV to 800 kV, are available in porcelain or polymeric housings and meet IEEE and IEC standards. Suitable for intermediate, station, and transmission line applications, they provide robust protection against electrical surges
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Our customized training courses, conducted in global training centers, combine theoretical knowledge with hands-on practice. Experienced supervisors guide trainees through cable preparation and installation of high voltage accessories, issuing certificates upon successful completion to validate expertise
We provide on-site supervision for jointers installing our high voltage accessories, particularly for those with limited experience. Our expert supervisors ensure installations meet strict standards, enhancing reliability and safety on critical projects
Our team of trained jointers offers professional installation services, supported by local teams to ensure efficiency. Equipped with specialized tools, we deliver seamless installations for high voltage cable accessories, minimizing downtime and maximizing performance
