Cologne Tests Inconspicuous Curb Charging Infrastructure
As electric vehicle adoption grows across Germany, municipalities face the challenge of expanding charging infrastructure without cluttering narrow urban streets [4]. In Cologne, a pilot project tested an innovative approach by embedding 22-kilowatt electric vehicle sockets directly inside standard-size curbs [4]. Run by the City of Cologne alongside TankE—owned by local utility RheinEnergie—and manufacturer Rheinmetall, the trial deployed four curb chargers on Klosterstrasse and Dürener Strasse starting in April 2024 [4].
Over a 329-day period, these pilot units logged 2,829 validated charging sessions while maintaining an availability rate of over 99 percent [4]. The technology, developed by Rheinmetall subsidiary Pierburg, conceals a standard European Type 2 AC socket under a metal flap built into a curbstone measuring about 39 inches (1,000 millimeters) long and weighing about 176 pounds (80 kilograms) [4]. Users unlock the flap using a card, QR code, or app, allowing the hatch to be opened with one hand using the charging plug itself without requiring drivers to touch the curb directly [4].
According to Christoph Müller, former head of Rheinmetall’s Power Systems division, the design integrates charger electronics into standard kerbstones to facilitate roadside charging without obstructive bollards, pedestrian intrusion, or aesthetic compromises [4]. Ascan Egerer, Cologne’s alderman for mobility, noted that curbside technology utilizes existing public road infrastructure—aside from a separate connection box or metering cabinet required on the street—making it far less complicated than conventional charging stations [4]. Installing the curbs cost roughly the same as putting in a regular charging post [4].
Future Expansion Demands Across Cologne
Despite innovative pilots, the sheer volume of new charging points needed in Cologne remains substantial. Case study data indicates that Cologne previously had roughly 2,000 charging points [4]. Forecasts project that the city will require between 3,800 and 6,800 public charging points by 2030 to meet growing demand [4]. Nationally, Germany's broader framework under the Masterplan Ladeinfrastruktur 2030 aims to streamline permits, improve grid connections, and facilitate clearer charging offers [7]. Across the country, electricity prices sit at €0.310/kWh alongside petrol at €1.65/litre, yielding a fuel saving of 7.54ct/km for electric vehicle drivers [8].
| Metric / Feature | Details | Source |
|---|---|---|
| Pilot Location | Klosterstrasse and Dürener Strasse, Cologne | [4] |
| Validated Charging Sessions | 2,829 sessions over 329 days | [4] |
| Pilot Availability | Over 99 percent | [4] |
| Charger Power Output | Up to 22 kilowatts (AC Type 2 socket) | [4] |
| Curb Unit Dimensions & Weight | About 39 inches (1,000 mm) long, 176 lbs (80 kg) | [4] |
| Current Cologne Charging Points | Roughly 2,000 charging points | [4] |
| Projected 2030 Public Need | 3,800 to 6,800 public charging points | [4] |
| German Electricity & Petrol Prices | Electricity: €0.310/kWh | Petrol: €1.65/litre | [8] |
Practical Guidance for Local Residents and Visitors
Residents and business owners in Cologne navigating the shifting electric vehicle landscape can take specific steps to optimize their charging routines and vehicle costs:
- Explore Public and Curbside Options: Drivers can utilize existing public charging points across the city and watch for expansions resulting from municipal initiatives and curb-integration pilots.
- Leverage National Financial Incentives: Vehicle owners registered in Germany can benefit from the Greenhouse Gas Reduction Quota (THG-Quote) to secure an annual cash payment by transferring carbon savings to a registered provider [8]. Additionally, battery electric vehicles registered before the end of 2025 qualify for a 10-year exemption from the motor vehicle tax (Kfz-Steuer) [8].
- Evaluate Company Car and Residential Grants: Employees utilizing eligible electric company cars with list prices up to €70,000 can benefit from the reduced 0.25% monthly company car tax rule [8]. Homeowners and businesses may also investigate combined clean energy programs, such as solar and charging storage grants offered through Kfw [8].
- Sourcing rental vehicles in the area involves checking standard Type 2 or rapid CCS charging availability via apps like PlugShare or ChargePoint, ensuring smooth travel along regional transport routes [3].