The entire process is based on blockchain technology. This blockchain project is part of a wider TenneT programme that includes pilot projects aimed at increasing the flexibility of the electricity system, in order to accommodate the substantial increase in sustainable electricity production (mainly from wind and solar energy) at the expense of conventional power plants. By optimizing data usage and developing new flexible options, TenneT will make the electricity grid suitable for the challenges posed by the energy transition.

Flexibility through decentralization

In its capacity as Transmission System Operator (TSO), TenneT is responsible for maintaining the balance between the supply of and demand for electricity on the grid (a process known as ‘balance maintenance’). The energy transition presents challenges for TenneT. Electricity supply and demand must be carefully balanced at all times. For that reason, TenneT is looking for new decentralized energy sources that offer greater flexibility. One possible solution is based on combining a large number of smaller, decentralized energy sources, such as (storage) batteries. By collaborating with a so-called aggregator (in this case Vandebron) and applying blockchain technology, the capacity of all the pooled batteries can be utilized, enabling consumers to contribute directly to the energy transition.

Active participation of electric car owners in the energy transition

The pilot project works as follows: Vandebron supplies power to TenneT for balance maintenance purposes. The electricity originates from the charging sessions of Vandebron customers who own electric vehicles. The charging of the vehicles can be started or stopped at TenneT’s request. Vandebron has developed an algorithm for this purpose. A number of Tesla drivers are participating in the pilot project by means of an app. Vandebron is facilitating this service for its customers, who receive a fee for their contribution.

TenneT CEO Mel Kroon: “This pilot project provides TenneT with a new way to integrate decentralized electricity sources more efficiently, while simultaneously safeguarding the security of supply. What’s more, we are offering members of the public a wonderful opportunity to play an active role in the energy transition.”

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