Installation Services
RST Net has extensive experience in the installation, refurbishment and replacement of equipment in substations, including both gas-insulated substations (GIS) and air-insulated substations (AIS), as well as associated protection, control and auxiliary systems.
The company also undertakes the installation, jointing and termination of underground power cables for both electricity distribution and transmission networks, providing complete cable infrastructure solutions for utility and industrial projects.
Substations
AIS/GIS
RST Net has extensive experience in the installation of equipment for both air-insulated substations (AIS) and gas-insulated substations (GIS). The company has participated in the construction and commissioning of many of Iceland's largest and most important substation projects.
RST Net has delivered projects both as a specialist installation contractor to substation manufacturers and as a principal contractor, providing complete turnkey solutions that include engineering, civil works, foundation construction, equipment procurement, installation and commissioning.
The company's GIS project experience includes substations at Vatnsfellsvirkjun, Sultartangavirkjun, Fljótsdalsstöð, and Landsnet's substation at Kolviðarhóll. RST Net has also completed numerous AIS installations, including projects at Landsnet's Brennimelur substation, Reykjanesvirkjun, Mjólkárvirkjun, Hryggstekkur, and other locations throughout Iceland.
Power Transformers
RST Net has extensive expertise in the monitoring, condition assessment and condition-based maintenance of power transformers.
The company specialises in the installation, assembly and commissioning of power transformers and is equipped with advanced transformer oil treatment and filtration systems to support installation, maintenance and refurbishment activities.
RST Net's engineers receive regular specialist training, including programmes delivered by Reinhausen GmbH (MR) in Germany, the world's leading manufacturer of on-load tap changers (OLTCs).
As a Certified Service Partner of Reinhausen GmbH (MR), RST Net supplies genuine spare parts and provides expert inspection, maintenance and technical support for on-load tap changers, helping customers maximise transformer reliability and service life.
Power Plants
RST Net has the expertise and resources to undertake a wide range of electrical and mechanical installation works for power generation facilities and industrial plants.
The company has extensive experience delivering complex installation projects, including work on hydroelectric, geothermal and industrial power facilities. Its largest power plant project to date was the installation of all mechanical and electrical equipment at Vatnsfellsvirkjun, where RST Net served as the principal installation contractor to GE Hydro.
Heat Pumps
RST Net provides the installation, integration and commissioning of large-scale industrial heat pump systems.
The company has the expertise and skilled personnel required to deliver complex heat pump projects, including the installation of complete heat pump plants incorporating advanced mechanical, electrical and control systems. RST Net works closely with customers to ensure reliable, efficient and fully integrated installations.
The photograph illustrates a large-scale heat pump installation completed by RST Net in the Vestmannaeyjar Islands.
Protection and Control Systems
RST Net provides complete engineering solutions for protection and control systems used in utility networks and industrial facilities. The company's services include system design, panel manufacture, software development, programming, Factory Acceptance Testing (FAT), on-site installation, commissioning, functional testing and operator training.
Working in partnership with leading international manufacturers and technology providers, RST Net delivers reliable, standards-compliant protection and control solutions tailored to each customer's operational requirements.
RST Net's engineers and technicians have extensive experience in the configuration and programming of protection relays, Remote Terminal Units (RTUs) and Programmable Logic Controllers (PLCs). The company has particular expertise with ABB protection relays using PCM600, as well as automation systems from Rockwell Automation (Allen-Bradley), Siemens, and other leading manufacturers. For larger utility and industrial projects, RST Net supplies complete protection and control systems, including the design and manufacture of control panels and marshalling cabinets built in accordance with customer specifications and applicable international standards. All assembled panels undergo comprehensive Factory Acceptance Testing (FAT) in RST Net's workshop to verify wiring integrity, communications, functionality and system performance before delivery and installation on site.
High-Voltage Cable Installation and Connections
RST Net provides the installation of underground power cables together with cable jointing and termination services for both electricity distribution and transmission networks.
The company holds both Category A and Category B certification for electrical work on high- and low-voltage power installations. RST Net's engineers and technicians have extensive experience and the specialist qualifications required to install, joint and terminate high-voltage cables rated up to 145 kV. With a strong focus on quality, safety and compliance, RST Net delivers reliable high-voltage cable installation services for utilities, power generation facilities and industrial customers.