Modelling the UK residential energy sector under long-term decarbonisation scenarios: Comparison between energy systems and sectoral modelling approaches

Ramachandran Kannan and Neil Strachan

Applied Energy, 2009, vol. 86, issue 4, 416-428

Abstract: The UK government has set a groundbreaking target of a 60% reduction in carbon dioxide (CO2) emissions by 2050. Scenario and modelling assessment of this stringent target consistently finds that all sectors need to contribute to emissions reductions. The UK residential sector accounts for around 30% of the total final energy use and more than one-quarter of CO2 emissions. This paper focuses on modelling of the residential sector in a system wide energy-economy models (UK MARKAL) and key UK sectoral housing stock models. The UK residential energy demand and CO2 emission from the both approaches are compared. In an energy system with 60% economy-wide CO2 reductions, the residential sector plays a commensurate role. Energy systems analysis finds this reduction is primarily driven by energy systems interactions notably decarbonisation of the power sector combined with increased appliance efficiency. The stock models find alternate decarbonisation pathways based on assumptions related to the future building stock and behavioural changes. The paper concludes with a discussion on the assumptions and drivers of emission reductions in different models of the residential energy sector.

Keywords: Residential; sector; MARKAL; Energy; system; model; CO2; emissions (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (74)

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