The Center Denmark Energy Platform (CDK platform) provides access to energy-related data for Danish municipalities. Harvested data shows the demand and supply of energy, water, heat and electricity across the country. By way of example, it receives daily energy consumption and production data from more than 200,000 Danish households. In some regions, gathered information also covers indoor climate and power quality measurements from transformer stations.
In BIPED, the CDK platform will provide dynamic data for energy modelling in a digital twin of Brabrand, Aarhus.
CDK platform map viewer
The map can be accessed at https://energikortet.dk.
The different datasets, including weather and buildings, can be combined and aggregated across space and time to serve a variety of purposes: energy planning, optimising the use of renewable resources, sector coupling, and real-time optimisation of forward temperature in district heating networks.
All datasets can be accessed through Power BI, DataBircks or any other analytics tools.
CDK platform’s architecture is organised into distinct layers, each playing a crucial role in data management.
For long-term storage and batch processing, the platform utilises a data lake, which stores large volumes of raw data in its native format, thus supporting extensive batch processing operations.
The intermediate store includes two database clusters. The time-series database cluster is used for analysing time-indexed data while the relational database cluster supports complex queries and transactions. In this intermediate layer, Kafka—a distributed streaming platform—manages real-time data streams, directing them to appropriate intermediate storage or processing units.
The storage cluster temporarily holds ingested data and organises it for further processing.
At the service and user interaction layer, the platform supports AMQP/MQTT, REST (SSL), SFTP, and HTTPS protocols, with load balancers to ensure high service availability and performance. Users engage with the system through different services:
A broker for managing data communication
APIs for programmatic access
A file upload service
A user-friendly portal
SSO for secure authentication
Energikortet, a specialised map-based application
CDK platform architecture
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