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Introduction

The DVU (Data Space for Energy Reduction in Non-Residential Buildings) initiative addresses the need for secure and efficient data sharing in the pursuit of optimising CO2 reduction projects within non-residential buildings. DVU aims to facilitate the exchange of relevant energy consumption data among stakeholders, driving innovation and sustainable practices in the construction and building management sectors.

Challenge and Context

Non-residential building owners face significant challenges in sharing crucial data with project partners to enhance CO2 reduction initiatives. Traditional energy labels often fail to accurately correlate with real-world energy consumption, delaying the development of ambitious CO2 reduction projects. Complete and up-to-date data on measured energy consumption, combined with key construction features, is essential for creating digital twins and optimising CO2 reduction strategies effectively.

Solution

DVU offers a comprehensive solution to overcome data-sharing barriers in the market. DVU supports the WEii protocol developed by the Dutch Green Building Council. This enables Data Service Consumers to access and utilize data on measured energy consumption for modelling CO2 reduction scenarios. These digital twins serve as valuable tools for developing cost-effective CO2 reduction projects with reliable business cases.

How it works

DVU operates as a federated data space leveraging the iSHARE Trust Framework to ensure secure data sharing for energy. Through a user-friendly interface provided by the Netherlands Enterprise Agency, Entitled Parties initiate data-sharing requests with Data Service Consumers. eHerkenning facilitates the identification and authentication process, ensuring the legitimacy of data transactions. Upon successful authorizations, data sharing occurs between Data Service Providers and Consumers, Supporting various types of data services.

1.Data Location Notification– The Entitled Party informs the Service Consumer about where the data is stored, essentially providing details about the Service Provider.
2.Service Provider Verification- The Service Consumer verifies the identity of the Service Provider through an Identity Provider to ensure secure communication.
3.Data Request and Authorization- The Authorization Registry informs the Service Provider about the data request from the Service Consumer and grants authorization to proceed with data sharing.
4.Data Sharing- The Service Provider shares the requested data with the Service Consumer following successful authorization.

Participant Registry for Verification
Throughout each step, the Participant Registry maintains information about all participants, enabling necessary identity checks.

Added Value Through the iSHARE Trust Framework

The Trust Framework sets the standard for identification, authentication, and authorization, enabling individual data owners to share their data within reasonable limits. The usage policies and incorporation of a hyperledger-based participant registry improve trustworthiness among the participants. This enables efficient scaling of the solution while providing legal safeguards for data access and usage.

If you want to explore how the iSHARE Trust framework improves an energy data space

Contributors

Dutch Green Building Council
BouwendNederland
fmm
PLATFORM DUURZAME HUISVESTING
Techniek Nederland