OPTIMAL PRODUCTION PLANNING AT LARGE AND COMPLEX HEAT SUPPLIES
By Dan Andersen, BSc, Graduate Diploma in Business Administration
Anders N. Andersen, PhD, Ext. Ass. Professor at Aalborg University, R&D projects responsible at EMD International
This article describes Fjernvarme Fyn, a Danish district heating company that has become one of Denmark’s largest and most complex heat and power plants. It explains the flexibility that daily optimization tools must have to handle multiple heat sources and participate in numerous electricity markets.
Introduction and background Fjernvarme Fyn is Denmark’s 3rd largest district heating com- pany. This article will focus on the effects of the significant buildout on renewable energy, giving volatile electricity mar- kets. This calls for a strategy of having multiple heat and elec- tricity sources at a district heating company. A brief overview of Fjernvarme Fyn’s portfolio will be given, followed by the pro- cess of building a digital twin for the basis of optimal produc- tion planning. When failures occur (and they will), it is essential to have validated and financially feasible backup plans to en-
sure immediate and robust changes to operation following the company’s guidelines and targets.
Green transformation creates volatility in the power markets. The introduction of renewable energy and further expansion for technologies such as wind and solar production that feed into large national grids are key factors to significant and in- creasing price volatility in the power markets across the EU. Both for a large supplier with an extensive portfolio of power-
12 HOTCOOL no.1 2024
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