Hochschule Karlsruhe Hochschule Karlsruhe - University of Applied Sciences
Hochschule Karlsruhe Hochschule Karlsruhe - University of Applied Sciences
Project Green4EVer,Webasto Next App


Integration of electric mobility in sustainable smart buildings and site management


The switch to various forms of electromobility in private transport, which makes sense for ecological and increasingly also for economic reasons, is progressing worldwide. Because of the course currently being set in the automotive industry, the number of e-vehicle models in all segments is expected to rise steadily in the coming years. The energy policy target triangle of security of supply, economic efficiency and environmental compatibility must take into account electric vehicles as new "electricity consumers" or "electricity storage". Therefore, the rapid creation of a nationwide, efficient, safe and at the same time affordable charging network for diverse mobility scenarios, fields of application and user groups is required.

From an economic point of view, especially semi-publicly accessible parking areas and charging stations of companies, i.e. located at office buildings, company parking lots, industrial areas, shopping centers, residential complexes, etc., show a high potential. They can be used for charging the companies' e-vehicles used for business or commercial purposes, as well as the private e-cars of customers, tenants, visitors, guests, and employees. Such charging points could supply the majority of all e-vehicles with energy in everyday life.

If the use of intelligently managed charging capacities is correspondingly widespread and the resulting utilization is high, companies could expect a return on their investment in the charging infrastructure.

An important basis for this is the creation of new and the integration of existing software systems, which make the establishment of new business models and the linking of today's often isolated corporate processes possible in the first place.

Today’s software systems for building and site management cover traditional core processes, such as building maintenance planning. Optimized or even profit-oriented management of charging points is currently not a component of such solutions. To date, only proprietary stand-alone solutions have been used for charging infrastructure management. These solutions are not holistic, and cross-references between interacting technical and commercial processes and the data they generate are not taken into account. Furthermore, due to a lack of integration, no company-wide, cross-site strategies can be effectively implemented and monitored. Because of the variety of potential usage scenarios (own use, third-party use for which a fee is charged, permanent rental of charging points, etc.), particular attention must be paid to a flexible and modular design of the software solution.

Similar needs can be observed in the context of energy management. A charging infrastructure also integrated into building technology can significantly increase the efficiency in energy management. By establishing a flexible, multidimensionally optimizable load management at sites, which, for example, takes into account network capacity limits, energy costs, driver preferences, etc., also in combination, operating costs can be optimized. Thus the work of the site manager is significantly supported. Higher investment costs at the beginning pay off in the long term and avoid more expensive retrofitting later on.



The Green4EVer research project aims to develop and test in practice a comprehensive energy and infrastructure management system for electromobility as an integrated component of modern site and real estate management processes. The project will consider and develop business processes end-to-end, unite various solutions insufficiently integrated today, and develop required new software components so that the needs of large and medium-sized companies can be optimally served even across individual sites.

Art-Invest Real Estate (AIRE) presents an example from the real estate industry as part of Green4EVer. SAP brings comprehensive know-how as a leading software house and also many years of experience with the operation of the charging infrastructure of the company's own e-fleet. Webasto's in-depth technical expertise in the areas of charging infrastructure and energy management perfectly complements this. From the academic side, the Karlsruhe University of Applied Sciences (HKA) completes the joint project forming a unique consortium.

Goals and contributions of the partners


As a real estate developer, property owner and asset manager, Art-Invest Real Estate considers it as its duty to equip buildings for the future and to avoid "expensive retrofitting" later on. E-mobility as an important factor of sustainable management requires both an integrated charging infrastructure in real estate use and precise knowledge of user preferences and building technology. Within the joint project Art-Invest aims to provide the necessary input from the property owners perspective for a generic overall system that enables the integration of the charging infrastructure into building management systems. The use of dynamic load management can reduce load peaks and increase the energy efficiency of buildings. In addition, business models for the use of charging columns are being further developed and standardized. During practical testing in one of the AIRE projects, results will be analyzed and recommendations for action will be made. The long-term goal is to introduce the developed tool to the German real estate market and expand it to different usage classes.


HKA collaborates on the design of business models and processes, develops systems with a focus on secure and trustworthy data analysis (forecasts, optimizations) using the minimal principle. Further focal points are the construction of prototypical applications for demonstration and testing purposes and the scientifically based evaluation of project results.


Taking into account the current solution portfolio, applications and technologies as well as the general state of the art, the SAP team will develop innovative, cloud-based software applications based on the SAP Business Technology Platform. In line with the business scenarios developed in the project, new software components and interfaces will be designed and prototypically implemented. The approaches and software prototypes developed are to be tested and evaluated in practice using selected SAP and partner locations as test environments.


Webasto is developing charging solutions that focus on the interaction of charging station and battery, as well as intelligent interfaces to internal company ERP systems, in order to make charging processes not only controllable but also evaluable. Furthermore, the idea is to make charging scenarios possible that can later be adopted at shopping centers, for example. For example, customers who drive their electric vehicles to the mall will have their charging credited and receipted at the checkout. This will provide an incentive to use electric vehicles in urban traffic.

Project partners


Art-Invest Real Estate Management GmbH& Co.KG

As an institutional investor and project developer, Art-Invest Real Estate Management GmbH & Co. KG has been realizing sustainable and high-quality real estate in the largest German cities and agglomeration areas as well as Vienna and London for more than 10 years. Art-Invest Real Estate already has smart building technologies at its disposal that will be standard in the working world of tomorrow. Thus, intelligent buildings are created through the networking and communication of different components. These enable innovative, intelligent applications for users, operators and owners creating concrete benefit. The effective provision and management of parking spaces will be an indispensable component in times of inner-city space shortages and increasing demand for e-mobility, and offers the opportunity to stand out from other market players at an early stage. Projects currently in the planning stage in central locations offer excellent opportunities for practical projects and test areas.



Karlsruhe University of Applied Sciences

Karlsruhe University of Applied Sciences (HKA) is with one of the largest universities of applied sciences in Baden-Württemberg, with around 8,000 students and over 200 professors. With our broad spectrum of subjects from engineering, computer science, economics and design, we are able to place teaching, research and further education on a broad knowledge base. In addition to teaching, the focus is on applied research. Applied research at HKA has a wide range of content with international networking and makes an important contribution to technology transfer by putting research and development projects into practice in close dialogue and cooperation with industry and other scientific institutions.

The expansion of practice-oriented research is a strategic goal of the university and is reflected in the research focus areas "Energy, Mobility and Infrastructure", "Intelligent Systems" and "Materials and Processes".
The Green4EVer project is located within Karlsruhe University of Applied Sciences at the Institute of Applied Research (IAF), one of the 10 research institutes of the HKA.


Project Management
Prof. Dr.-Ing. Zoltán Nochta

As a market leader in enterprise software, SAP turns businesses into intelligent enterprises. Our applications and services enable business and public customers across 25 industries globally to operate profitably and adapt continuously. With a global network of customers, partners, and employees, SAP helps the world run better and improve people’s lives. For more information, visit www.sap.com.

SAP acts as coordinator in the project and orchestrates the collaboration of the alliance partners.

Webasto Thermo & Comfort SE

Webasto Thermo & Comfort SE


Webasto offers high-performance charging solutions for the original equipment of electric vehicles and industrial applications. The offering includes the charging station (hardware), installation and maintenance, as well as other complementary services such as payment processing for charging operations. Digital product offerings include the corresponding charging software and home energy management systems. In addition, Webasto develops battery systems for passenger cars and commercial vehicles. Our broad knowledge not only in the automotive sector, but also our expertise with regard to energy management, electronics and material properties make us a reliable partner for battery and charging solutions.




Ongoing project 03/2021 — 02/2024


Project manager
Prof. Dr.-Ing. Zoltán Nochta

Phone: +49 (0)721 925-1578
zoltan.nochtaspam prevention@h-ka.de

all contacts
Directly to the Data Centric Software Systems (DSS) Research Group at IAF

Data Centric Software Systems (DSS) Research Group at IAF

The Green4EVer project is located in the Research Group "Data Centric Software Systems (DSS)" at IAF

This Project is funded by

Federal Ministry for Economic Affairs and Energy (BMWi) as part of the funding line "Measures for the further development of electromobility" within the technology program "ICT for Electric Mobility III: Integration of Commercial Electric Vehicles in Logistics, Energy and Mobility Infrastructures"