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  1. ENERGY SOLUTIONS
  2. Green Proofs by Energy Web
  3. Use Cases and Reference Implementations

Green Proofs for Electrical Vehicles

PreviousDecarbonizing ShippingNextGreen Proofs as a Service (GPSaaS)

Last updated 5 months ago

The Green Proofs for EVs (GP4EV) system plays a crucial role in ensuring that electric vehicle (EV) charging is green by managing and verifying green certificates for each charging session. All the data sent to workers in this process originates from the Green Proofs application, which transforms this data into operations like issuing, transferring, or retiring certificates.

When the system receives a charging session request, GP4EV converts it into an appropriate operation, such as retiring a specific number of green certificates (e.g., retiring 10 units to reflect a green charge). This operation is then sent to workers through a distribution proxy. Each worker, instead of verifying the charging session directly, checks whether the certificate-related operation, like the retirement of green certificates, is valid based on the previous information they received.

For example, if a certificate with a volume of 100 units is issued, workers are informed of this, but only through a pseudonymized ID. When a charging session leads to the need to retire 10 units, the workers vote on whether this retirement is possible, ensuring the operation aligns with the current state of the system. This decentralization of knowledge allows for consistent state verification without any worker having access to the full scope of data, promoting security and efficiency in managing green EV charging.

GP4EV overview