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C/sells – Smart Grids for the Energy System of the Future – project development and deputy project coordination

C/sells as an extensive show case project creates an east-west-solar arc connecting solar energy dominated "energy cells" solar cells with Baden-Wuerttemberg in the center. Due to the high solar generation and the mix of urban and rural areas, Baden-Wuerttemberg is predestined for the project. Furthermore, a diverse interaction pattern provides optimal conditions in order to implement new cooperation models.

In December 2015, C/sells was selected as one out of five demonstration projects within the German Ministry of Economy’s SINTEG (“showcase intelligent energy”) call. The project length is four years starting at January 2017.

Dr. Langniß – Energie & Analyse compiled a consortium with over 60 partners from business and academia. A detailed draft had been developed coordinating the comprehensive input of the partners. The draft presented the project’s content, approach, cost structure and organization with an overall scope of 100 million Euros.

Dr. Langniß – Energie & Analyse coordinated the complex application process of C/sells. Therefore, the draft was consolidated into a full proposal which represents the working basis for the four years of the project.

During the execution of the project, Dr. Langniß – Energie & Analyse is the deputy project coordinator.


  • Business development
  • Coordination of over 60 partners in the areas of resource planning and content development
  • Drafting of the full project proposal
  • Experts for Energy Policy and Energy Systems
  • Draft development
  • Link to public authorities

Link to the projekt

Customer: Smart Grids-Plattform Baden-Württemberg e.V., Hermann-von-Helmholtz-Platz 1, Karlsruhe (project development phase), EAM GmbH & Co. KG, Kassel (project implementation phase)


2014 - 2015 (draft phase)

2015 - 2016 (application phase)

2016 - 2020 (project phase)

C/sells – Smart Grids for the Energy System of the Future – conception of blockchain applications (Subproject "Methods for smart properties and markets")

Within its part of the SINTEG project C/sells Dr. Langniß – Energie & Analyse develops and refines the open-source soft- and hardware OLI for peer-to-peer communication, coordination and energy exchange based on the blockchain and Ethereum and pilots this. This will make possible a small-scale balancing of consumption and production as well as an enabling of trading with small-scale local and regional flexibilities. LEA develops concepts for the use cases on certificates of origin, balancing group management, smart charging of electric vehicles as well as peer-to-peer matching. With the conception and pilot testing of blockchain in the outlined applications important references for the standardization of blockchain technology for the purpose of market and network communication will be derived. On the base of experience with pilot tests and demonstrations possible, necessary or desirable regulatory developments can be concluded. The objective is besides, to implement the blockchain technology as comprehensive as possible with other partners in C/sells.


  • Advancement of the open-source soft- and hardware for the blockchain applications
  • Conception and pilot testing of blockchain applications
  • Creation of the high level use case result document

Customer: Projektträger Jülich


2016 -2020

C/sells – Smart Grids for the Energy System of the Future – development of the Blockchain Roadmap

When C/sells was conceived in 2014/2015, blockchain technology was not yet known in the energy sector. However, the technology has advanced rapidly since then. It has the potential to represent a basic technology for a large number of applications in the energy sector. It is therefore advisable to pay more attention to the technology in C/sells as well.

As part of the top-up activity “Blockchain Roadmap”, LEA has set itself the goal of describing blockchain-compatible use cases in the C/sells context and examining the exemplary implementation of “Forgery-proof documentation of flexibility offers”. The resulting study built on the work of the C/sells Blockchain Task Force.


  • Description of the blockchain use cases
  • Exemplary implementation of a use case
  • Networking
  • Creation of the result document "Blockchain Roadmap"

Customer: Forschungsstelle für Energiewirtschaft e.V.

Year: 2020

C/sells – Smart Grids for the Energy System of the Future – development of the Meta-Flex-Kataster

As part of the SINTEG project C/sells, the Meta-Flex-Kataster is being developed as an overarching, connecting level alongside the individual solutions of the flexibility platforms. The task of the Meta-Flex-Kataster is to bundle information on the distributed systems and to connect them in line with the market. This creates a connecting platform that breaks up the development of the previous isolated solutions and realizes and makes the provision of flexibility for various and also future market platforms visible.

LEA took over the business model development and the profitability analysis of the Meta-Flex-Kataster on behalf of the Ulm University of Applied Sciences. As part of the business model logic developed in C/sells, variants of long-term implementation with regard to possible value creation paths were developed and discussed.


  • Development of the business model
  • Profitability analysis
  • Presentation of the interim results
  • Creation of the result document

Customer: Ulm University of Applied Sciences

Year: 2020 - 2021

Shaping the Energiewende...


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