HOT|COOL NO. 1/2022 - "Conversion from gas - it's time now!"

DH from TREFOR Varme, 60,000 DH customers, is environmentally friendly and economically advantageous. TREFOR Varme uses surplus heat from the local Shell Refinery, waste incineration, and wood chips as green energy sources.

Case studies - lessons learned – and valuable results TREFOR Varme was the first DH company within the project to raise the demand for a ‘common infrastructure component.’ Thanks to their steadfastness and their enormous organization- al effort to ‘digitize’ their internal system, the HEAT 4.0 partners can refer to precious insights and experiences from this case study. TREFOR Varme introduced a cross-utility ICT strategy that highlights security and robustness. Based on these strict regulations, the current HEAT 4.0 Cross System Optimization (CSO - an optimization service demonstrating the concept of CSS) solution is set in place because it empowers the compa- ny to control external services similar to internal hardware and control systems. This was impossible a few years ago, where all controls had to be placed physically within the company property. The head of the DH department, Helge S. Hansen, put it this way. Our motivation for joining the HEATman project was partly to contribute experiences and knowledge about the digitization of the heating sector and not least to do so in a cyber-secure way. Next, to try to pull the industry in the direction of an integration function, as our own vision was to integrate up to a single “common integrator” [technology]. The new IT solution was integrated by ‘HEAT 4.0 Ready’ software suppliers and the benefits of this co-operation we are to achieve these days. Helge S. Hansen, CEO, Trefor District Heating, Kolding, Denmark

From own experiences, TREFOR Varme concludes that it is a good idea for DH plants, in general, to let other competent specialists handle IT integration in a time where systems and threats from cybercrime have become significantly more com- plex. In a few bullets, they sum up the specific results they have achieved through their project involvement so far: As the cyber-secure connection, high data security is to be predetermined by one integrator, which continuously opti- mizes and improves the concept. In other words, secure data exchange, which can be used for the entire district heating sector. There are economic and timewise savings, fewer problems with incorrect data through standardized technical integra- tion and “one integrator contact.”

The secured data exchange between several software sys- tems enables especially smaller DH companies to digitize.

Another DH plant involved in the project, Bronderslev Forsyn- ing, has announced their satisfaction being a test partner of the project and put it in this way: At Bronderslev DH Ltd., we have for some years suc- cessfully been working with data from Smart Meters to create added value for the company and the cus- tomers. The HEAT 4.0 project has given us new unique possibilities to step up in digitization and explore the

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