Hourly certification of renewable electricity a step closer


Giacomo Bravaccini

Giacomo has an academic background in civil and environmental engineering (MSc) and is at the forefront regarding sustainability initiatives, focusing on enabling clean electrification. He blends his technical knowledge with experience & passion​ ​in​​ creating engaging narratives which connect energy and sustainability with the standards & policy​ global landscape and a customer-driven approach.
June 26, 2023
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FlexiDAO in collaboration with Microsoft, Eneco and CertiQ, successfully completed two pilots to prove the viability of a granular (i.e., hourly) energy certification program. With these pilots, the parties performed the issuance and redemption of so-called Granular Certificates (GCs). This is important, because securing that renewable, carbon-free electricity is produced the very moment a consumer has need of it requires a greater level of detail than existing systems for guarantees of origin can provide. This project contributes to realizing 100% carbon free electricity by piloting  a more transparent certification system that better represents the physical reality of the power grid compared to today’s annual carbon accounting standards. All parties are looking forward to further developing and implementing GCs in order to advance towards the greater vision of around-the-clock carbon-free energy.

First pilot projects

During a 6-month period Microsoft (consumer), Eneco, (supplier & consumer) CertiQ (GO Issuing Body), and FlexiDAO (software solution provider), successfully demonstrated through two pilot projects the technical and regulatory feasibility of issuing, transferring and claiming (hourly) Granular Certificates (GCs) in sync with the existing system for Guarantees of Origin (GOs). These projects represent a first real-life implementation in Europe, in line with the new EnergyTag standard that will be released in April 2022. The pilots included Eneco’s Princess Amalia wind farm, one of Microsoft’s datacenters in the Netherlands, and Eneco’s district heating network in Ypenburg. It also demonstrated the use of GCs as effective instruments for the development of a methodology for carbon accounting that is more reflective of the physical reality of the power grid.

There is a growing demand for carbon-free energy at all times of the day. A certification program, based on Guarantees of Origin (GOs), has been in place in the Netherlands since 2001 to certify the production of renewable electricity. However, the program measures such production on a monthly basis, issuing GOs that are valid for one year. Corporate energy consumers are free to use GOs to cover their power consumption during any period within that year and claim to be “100% renewable” in their annual disclosure, but this does not take into account that electricity is also consumed during times when the wind is not blowing or the sun is not shining. The additional transparency provided by hourly certification of electricity would enable market participants to better contribute to the decarbonisation of the grid by accessing hourly carbon-free energy products.

Prove the viability of granular electricity certification

All the GCs created on FlexiDAO’s platform were pegged to the official GOs issued by CertiQ as underlying assets, resulting in a 0% mismatch between the two certification layers. In this way, the pilot validated FlexiDAO’s software solution and GC methodology as an accurate ledger of complex hourly energy market data, compatible with official GOs. The GCs were then transferred and matched to the consumer’s hourly load profile and finally redeemed on behalf of the consumer. The entire process was carried out consistently with EnergyTag's guidelines, as well as the regulatory framework for GOs (including European and Dutch national legislation and standards).

See the infographic below for more data regarding the second pilot.

Inforgraphic that explain the pilot projects between FlexiDAO, Eneco, Microsoft and CertiQ under EnergyTag.

Where to from here?

  • FlexiDAO intends to continue the active collaboration with AIB, EnergyTag and Issuing Bodies in order to become an approved GC Platform - a software service operated by a third party which accesses the underlying EAC registry to provide services such as enabling a system of GCs. This will allow more market participants to easily obtain GCs like it was successfully demonstrated with CertiQ, Eneco and Microsoft during this project.
  • Eneco wants to become climate neutral by 2035. For electricity this means that 100% of electricity supplied to all its customers is carbon free. Eneco will continue working on developing a more transparent certification system. GCs will help Eneco in the future to provide more insight for private and business customers into the hours they use green electricity and when it’s necessary to use other options, such as electricity from a battery for example. 
  • CertiQ sees the GCs as a further improvement to the existing GOs scheme in Europe, and will contribute to its ongoing development.

Discover more about FlexiDAO's 24/7 Carbon-free Energy matching and certification solutions.


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