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Trade 04 · Charging infrastructure

E-mobility

From the grid connection to the first charge: we build rapid charging parks – trench, cable, foundation, station and commissioning.

Finished rapid chargers in a car park

The path of power

From grid connection to charge.

  1. Grid connection

    Substation or low-voltage distribution – this is where the route begins.

  2. Cable route

    Trench, conduits and pulling the underground cables.

  3. Foundation and installation

    Setting foundations, installing and connecting power unit and chargers.

  4. Commissioning

    Testing, commissioning, connecting via the charger's web interface.

Items

What we build for charging parks.

  • Item 04.10 · m

    Cable route and cable pulling

    From the grid connection or substation to the charging point: trench, conduits, underground cable.

  • Item 04.20 · pc

    Foundations and conduits

    Foundations for chargers and power units, conduits with spare capacity.

  • Item 04.30 · pc

    Installing rapid chargers

    Setting up and connecting rapid charging stations with 150 and 300 kW.

  • Item 04.40 · pc

    Commissioning

    Commissioning the station and connecting it via the charger's web interface.

  • Item 04.50 · pc

    Maintenance and upgrade

    Annual preventive maintenance and power stack upgrades to manufacturer specification.

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Certificate

Trained by the manufacturer.

Certificate of 14 November 2023

Manufacturer training in rapid charging technology

Jens Kalwer

Jens Kalwer has completed the manufacturer's training for rapid charging stations: installation, commissioning and annual preventive maintenance of 150 and 300 kW stations as well as power unit upgrades.

Sites

Photos from charging park construction.

Two electricians at an open distribution cabinet, cables and material in frontEnlarge photo
E-mobilityLow-voltage distribution for the charging park
Installers at a rapid charger in a cordoned-off car parkEnlarge photo
E-mobility · 5 March 2024 · Neu WulmstorfBuilding a rapid charging park
Heavy underground cables in the open trench beside the paving, installers pulling cableEnlarge photo
E-mobilityCable pulling to the charging point
Installer on a ladder at the open power unit of a rapid charging stationEnlarge photo
E-mobilityInstalling the power unit
Crimped cable lugs on the busbars of a charging stationEnlarge photo
E-mobilityCable connection with lugs
Test instrument in front of an open distribution cabinet, test leads connectedEnlarge photo
E-mobility · 14 March 2024 · Neu WulmstorfTesting at the distribution cabinet
Covered rapid charging stations at a motorway service areaEnlarge photo
E-mobilityCharging station on the motorway
Finished rapid chargers in a car parkEnlarge photo
E-mobilityRapid chargers in operation

Locations

Where we build charging parks.

Service areas and truck stops

Rapid charging on the motorway.

Retail charging parks

Car parks of supermarkets, hotels and restaurants.

Company premises

Charging points for fleet and staff.

Municipalities

Public charging points on streets and squares.

Site board

Request a project.

Send us your bill of quantities, route plan or simply location and scope. We will get back to you personally.

Project
Your project
Contractor
Kalwer Netzbau, Bergedorf
Contact person
Jens Kalwer
Working hours
Monday to Friday, 8 am – 5 pm
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