How is it possible to meet the government's 2035-goals whilst continuously supplying district heating in Denmark at low costs and at a high security of supply?
This semester project analyses the possibilities of replacing the in-renewable heat production from the coal-fired CHP production unit FV07 at Fynsværket, with large industrial heat pumps.
When using heat pumps as the only supply unit, regulatory energy is required to maintain the security of supply. This project analyses the possibilities of using a heat storage facility to supply the district heating in times where the electricity price is _ high. To analyse the scenario, a MATLAB model is set up, minimising the hourly production costs and determining the minimum heat pump capacity and storage capacity needed to meet the demand in Fjernvarme Fyn's supply area.
Legislative and financial aspects of shutting down CHP plants and integrating heat pumps are considered. As the district heating production becomes reliant on the electricity production, the overall consumer costs in a heat pump based network will fluctuate with respect to the Nordpool spot price. This could set the foundation for making the district heating sector hourly charged, allocating the demand and lowering the price. Furthermore, the model concludes that the overall costs in the heat pump scenario becomes significantly lower than in the current network, as the fuel costs, including the CO2-quotas, are eliminated.
Emil Rysholt, Rasmus Riis, Allan Schmidt Hansen, Jonathan Roskam-Hemmingsen, Karl Meyer & Mathias Callø Gjøl
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