How Measurement and Calibration Law Affects EV Charging Infrastructure – V2G Clarity

How Measurement and Calibration Law Affects EV Charging Infrastructure

A White Paper Based on the Legal Situation in Germany (also known as “Eichrecht”)

Are you manufacturing charging stations, managing charging stations via your IT backend as a charge point operator, or providing end customer contracts as an e-mobility service provider? If you answered ‘yes’ to at least one of these questions and you plan to provide your product or service in Germany, then the white paper shown below is for you.

This white paper addresses the existing calibration law regulations (“Eichrecht” in German) and ways to facilitate a transparent and tamper-proof billing process. Germany is one of the first countries across the globe to enforce calibration law regulations for EV charging infrastructure. We assume that similar regulations and requirements will also be introduced in other countries of the European Union and maybe even beyond along with an increasing market penetration of EVs.

The white paper covers the following subject matter: 

  1.  Executive Summary
    1. About the Author
    2. Acknowledgements
    3. Your Input Is Appreciated
    4. Limit of Liability and Disclaimer of Warranty
  2. Introduction
  3. Legal Background
    1. Metrology and Calibration Law in General
    2. The Effects of Legal Regulations on EV Charging Infrastructure and Stakeholders
    3. Restrictions for Time-Based Billing
    4. Obligations for Charging Station Manufacturers
    5. Obligations for Charge Point Operators
    6. Obligations for E-Mobility Service Providers
    7. Implications for the B2B Relationship Between CPOs and EMSPs
    8. Summary – Necessary Setup Between CPO and EMSP
  4. A Word on Secure User Identification
  5. Interim Solutions for Existing Charging Stations
  6. Solutions Compliant With Calibration Law
    1. Transparency Software
    2. The “innogy” Solution
    3. Storage and Display Module in the Charging Station – SAM
    4. Further Solutions
  7. Available Products on the Market
  8. Integration of Digital Signatures in OCPP
  9. Certification Programs
White paper on how measurement and calibration law affects EV charging infrastructure
Click the cover image to download the white paper

The legal framework related to charging infrastructure and the billing of electric energy is still early and may continue to evolve with time and use cases. Over time, an ever-growing list of companies will introduce products and services to the market that comply with the legal stipulations described in this white paper. Many countries in Europe and worldwide may soon adopt this legal framework or make country-specific adjustments.

We plan to keep this document up-to-date and would appreciate your input to achieve this goal. Please don’t hesitate to contact V2G Clarity and let us know of any insights you may have on this matter.

Update: The white paper was updated on August 13, 2020. Updates include:

  • Not only the Physikalisch-Technische Bundesanstalt (PTB) is able to test and verify a calibration law-compliant solution but also the VDE Testing and Certification Institute and the CSA Group 
  • The Smart Meter Gateway (SMG) is not necessary to have a calibration law-compliant solution in place
  • Ebee Smart Technologies was added to the list of AC charging station providers

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