Identification of the main barriers to implement a low-temperature district heating system in Nordhavnen
Author
Navacerrada Busquets, Pablo
Term
4. term
Education
Publication year
2015
Submitted on
2015-06-03
Pages
101
Abstract
Denne afhandling undersøger, hvilke hovedbarrierer der kan opstå ved implementering af et lavtemperatur-fjernvarmesystem i Nordhavnen som forløber for en mulig udrulning i København. Baggrunden er Danmarks mål om at udfase fossile brændsler i energisektoren inden 2050, hvor lavtemperatur-fjernvarme kan reducere varmetab og understøtte integration af mere effektive og vedvarende energikilder. Analysen er rammesat af multi-level-perspektivet og ser på fjernvarmeregimet gennem fire sammenvævede dimensioner: teknologi, politik, markedsregulering og kulturelle mindset. Med Nordhavnen som energilaboratorium identificerer studiet, at lav- og højtemperatursystemer sandsynligvis vil sameksistere i en længere overgangsperiode, og at integrationen bliver udfordrende, fordi det eksisterende distributionsnet skal håndtere forskellige forsynings-/returtemperaturer. Derudover peger resultaterne på behov for opdateret takstregulering for at sikre den ønskede temperaturdifferens (ΔT) og imødekomme nye beboeres forhold. Samlet konkluderes, at overgangen bliver gradvis, og at erfaringer fra Nordhavnen kan give vigtig læring til den bredere omstilling af fjernvarmen mod et fossilfrit energisystem.
This thesis examines the main barriers to implementing a low-temperature district heating system in Nordhavnen as a precursor to potential wider deployment in Copenhagen. Motivated by Denmark’s goal of a fossil-free energy sector by 2050, low-temperature district heating is considered for its ability to reduce heat losses and support the integration of more efficient and renewable energy sources. The analysis is framed by the multi-level perspective, viewing the district heating regime across four interrelated dimensions: technology, policy, market regulation, and cultural mindsets. Using Nordhavnen’s role as an energy laboratory, the study finds that low- and higher-temperature systems are likely to co-exist over a prolonged transition, with integration challenges stemming from operating a shared network at different supply/return temperatures. It also highlights the need for updated tariff regulation to maintain the desired temperature difference (ΔT) and accommodate new residents. Overall, the transition is expected to be gradual, and lessons from Nordhavnen can inform broader efforts to decarbonize district heating.
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