E-House — prefabricated modular substations with switchgear up to 45 kV
E-House is a prefabricated modular substation building for low- and medium-voltage distribution equipment up to 45 kV. The modules are built, fitted out and wired inside at the factory, and arrive at the site with all the equipment. The design service life of the building is about 50 years.
- Type
- prefabricated modular substation building
- Equipment
- LV and MV switchgear up to 45 kV (air and/or gas insulation), control, protection, communication, auxiliary systems
- Size
- modules of different sizes; largest deliveries over 400 m²
- Building service life
- about 50 years
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
E-House houses low- and medium-voltage power distribution equipment for outdoor installation and in other harsh conditions where sensitive systems need protection. The scale of the facility can be anything. Modules of different sizes are combined into large complexes, and the largest deliveries have exceeded 400 m². The building is part of the manufacturer's modular substation concept, which also covers the civil part with concrete foundations and steel structures, commissioning and grid connection.
Depending on the project, the modules house low- and medium-voltage switchgear up to 45 kV, auxiliary systems, and control, protection and communication equipment. The switchgear can be air-insulated, gas-insulated or a combination of the two. At shipment the E-House already contains everything needed, from the switchgear to fire and security alarm systems, lighting and heating. Optionally available are electric vehicle charging stations, a solar roof, and other colors and materials of the exterior cladding.
Factory assembly allows work at the factory and at the site to proceed in parallel. While the modules are fitted out and tested, the foundations are prepared on site, so the overall project time is shortened and there are fewer overlapping stages. Safety also increases, because personnel spend less time working near machinery and live equipment. Assembly and testing use the plant in Vaasa (Finland) with an area of 13,000 m² and a factory acceptance test (FAT) hall of 1400 m², opened in 2024. Factory acceptance tests are completed before shipment, so only connections and commissioning remain at the site.
The manufacturer is among the largest turnkey substation suppliers in the Nordic countries, works with networks up to 400 kV and holds the status of a class A substation supplier for the Finnish system operator Fingrid. This status applies to substations of the national grid of Finland. Completed projects include the connection of the Bodmyran and Nordanberg wind farms of the grid company Ellevio in Sweden and a substation for an enterprise producing battery chemicals.
To size an E-House, the following are needed: a single-line diagram, a list of LV and MV equipment, the climate conditions of the site and the requirements for auxiliary systems. The dimensions of the modules, their number and the composition of the auxiliary equipment depend on these data.
Technical specifications
| Type | prefabricated modular substation building |
|---|---|
| Equipment | LV and MV switchgear up to 45 kV (air and/or gas insulation), control, protection, communication, auxiliary systems |
| Size | modules of different sizes; largest deliveries over 400 m² |
| Building service life | about 50 years |
| Options | EV charging stations, solar roof, other cladding materials and colors |
| Grid connection | substations up to 400 kV (as part of EPC) |
Request a price and lead time
E-House — prefabricated modular substations with switchgear up to 45 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Questions and answers
What equipment is installed in an E-House?
LV and MV switchgear up to 45 kV, air- or gas-insulated, control, protection and communication equipment, auxiliary systems, fire and security alarms, lighting and heating.
What are the service life and size of a modular substation?
The design service life of the building is about 50 years. Modules of different sizes are combined into complexes, and the largest deliveries exceeded 400 m².
Where are E-House assembly and factory tests carried out?
At the plant in Vaasa (Finland) with an area of 13,000 m², where a FAT hall of 1400 m² has operated since 2024.
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