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TankE

TankE GmbH is a Cologne-based subsidiary of RheinEnergie that plans, builds and operates electric-vehicle charging infrastructure for businesses, municipalities and fleet operators across Germany.

Last updated September 26, 2026

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Overview

TankE GmbH is a German provider of electric-vehicle charging infrastructure headquartered in Cologne. It is a wholly owned subsidiary of the regional energy utility RheinEnergie AG, and it positions itself as a one-stop partner for the planning, construction and operation of charging infrastructure. Its customer base spans industry and commercial enterprises, the real-estate sector, logistics and delivery fleets, municipal utilities and local authorities — segments that need charging not just for a handful of cars but for depots, staff car parks, tenant garages and public sites. The company's offering covers the full project lifecycle. TankE advises customers, plans and builds charging sites, and can take on complete project execution including civil engineering, transformer installation, parking-space marking and signage. For hardware it draws on selected products from leading manufacturers, ranging from AC wallboxes and conventional charging posts to less common solutions such as the charging kerbstone and DC fast-charging stations. Beyond installation, TankE operates charging points as private or public infrastructure, handles billing of charging sessions, and provides service packages for inspection, maintenance and fault clearance. TankE is anchored in Cologne and the surrounding Rhineland region but also serves customers nationwide. It maintains a second office in Kelsterbach near Frankfurt to look after clients in the Frankfurt area. Its reference list includes well-known organisations such as Koelnmesse, NetCologne, Volvo Car Germany, Rheinmetall, Stadtwerke Köln, RheinEnergie, LEG Immobilien, Sparkasse KölnBonn, Motorworld Köln-Rheinland and the Chemiepark Knapsack, alongside numerous municipal utilities and mid-sized companies. Because it is a 100-percent subsidiary of RheinEnergie AG, TankE can draw on the utility group's energy-sector know-how and long experience in implementing charging-infrastructure projects. That backing is central to its market positioning: rather than selling hardware alone, it presents itself as an experienced integrator that takes responsibility from the first consultation through to ongoing operation and service. The brand is aimed at the German market and at the accelerating build-out of charging capacity required by the transition to electric mobility.

History

TankE GmbH is a German charging-infrastructure company based in Cologne and a wholly owned subsidiary of the regional energy utility RheinEnergie AG. Public evidence describes it as an electric charging network in Germany and as a partner for the planning, construction and operation of charging infrastructure for electric vehicles. The company presents itself as a pathfinder for modern, future-proof mobility in Cologne, the Rhineland region and across Germany. Its business model grew out of the needs of the energy transition: as more companies, municipalities and fleet operators electrify their vehicles, they require not only charging hardware but also advice, civil works, grid connection, billing and ongoing maintenance. TankE addresses this by offering consulting, planning and realisation from a single source. Customers can commission complete charging-infrastructure projects, including civil engineering, transformer installation, parking-space marking and signage, or select individual services. Over time the company has built a broad reference base. Its published customer list includes Koelnmesse, Deutschlandnetz, NetCologne, Volvo Car Germany, Chemiepark Knapsack, Rheinmetall, Stadtwerke Köln, MMC Studios, RheinEnergie, Provent Hotels, LEG Immobilien, Bilstein, Park One, Apleona, LESKANPark, Motorworld Köln-Rheinland, BELKAW, Stadtwerke Pulheim, Mediterana, e-regio, Quarzwerke, Sparkasse KölnBonn, RheinWerke, Advenis Germany, Stadtwerke Soest and Witteler Automobile. These references span trade-fair grounds, telecoms, automotive, chemicals, real estate, hospitality, retail banking and municipal utilities, reflecting the breadth of the charging-infrastructure market. Besides its main location in Cologne, TankE operates a branch in Kelsterbach near Frankfurt, from which it serves customers in the Frankfurt area. This gives the company a presence in two of Germany's major economic regions while retaining its Rhineland roots. As a 100-percent subsidiary of RheinEnergie AG, TankE benefits from the utility group's energy-sector know-how and long experience in implementing charging-infrastructure projects. The company works with selected hardware from leading manufacturers, covering AC wallboxes, conventional charging posts, innovative solutions such as the charging kerbstone, and DC fast-charging stations, so that it can match different parking and use-case requirements. Its portfolio is rounded out by the operation of charging infrastructure as private or public charging points, billing of charging sessions, and service packages for inspection, maintenance and fault clearance. The brand remains active and focused on the German market.

Products and positioning

One-stop, full-service partner for planning, building and operating EV charging infrastructure, backed by the energy-utility expertise of parent RheinEnergie AG.

  • AC wallboxes

    Selected AC charging hardware from leading manufacturers for workplace, fleet and property charging.

  • Conventional charging posts

    Classic charging posts for public and semi-public locations.

  • Charging kerbstone

    An innovative charging solution integrated into the kerbstone for on-street charging.

  • DC fast-charging stations

    Fast-charging stations for higher-power charging needs.

  • Turnkey project delivery

    Complete charging-infrastructure projects including civil engineering, transformer and signage.

  • Operation and billing

    Operation of private and public charging points and billing of charging sessions.

  • Service and maintenance packages

    Inspection, maintenance and fault-clearance services.

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