RT Conference Proceedings T1 A Multi-objective Harmony Search Algorithm for Optimal Energy and Environmental Refurbishment at District Level Scale A1 Manjarres, Diana A1 Mabe, Lara A1 Oregi, Xabat A1 Landa-Torres, Itziar A1 Arrizabalaga, Eneko A2 Del Ser, Javier AB Nowadays municipalities are facing an increasing commitment regarding the energy and environmental performance of cities and districts. The multiple factors that characterize a district scenario, such as: refurbishment strategies’ selection, combination of passive, active and control measures, the surface to be refurbished and the generation systems to be substituted will highly influence the final impacts of the refurbishment solution. In order to answer this increasing demand and consider all above-mentioned district factors, municipalities need optimisation methods supporting the decision making process at district level scale when defining cost-effective refurbishment scenarios. Furthermore, the optimisation process should enable the evaluation of feasible solutions at district scale taking into account that each district and building has specific boundaries and barriers. Considering these needs, this paper presents a multi-objective approach allowing a simultaneous environmental and economic assessment of refurbishment scenarios at district scale. With the aim at demonstrating the effectiveness of the proposed approach, a real scenario of Gros district in the city of Donostia-San Sebastian (North of Spain) is presented. After analysing the baseline scenario in terms of energy performance, environmental and economic impacts, the multi-objective Harmony Search algorithm has been employed to assess the goal of reducing the environmental impacts in terms of Global Warming Potential (GWP) and minimizing the investment cost obtaining the best ranking of economic and environmental refurbishment scenarios for the Gros district. PB Springer Singapore SN 978-981-10-3727-6 SN 9789811037276 SN 978-9-8110-3728-3 YR 2017 FD 2017 LA eng NO Manjarres , D , Mabe , L , Oregi , X , Landa-Torres , I & Arrizabalaga , E 2017 , A Multi-objective Harmony Search Algorithm for Optimal Energy and Environmental Refurbishment at District Level Scale . in J Del Ser (ed.) , unknown . vol. 514 , 2194-5357 , Springer Singapore , pp. 320-332 , Proceedings of the 3rd International Conference on Harmony Search Algorithm, ICHSA 2017 , Bilbao , Spain , 22/02/17 . https://doi.org/10.1007/978-981-10-3728-3_32 NO conference NO Publisher Copyright: © Springer Nature Singapore Pte Ltd. 2017. DS TECNALIA Publications RD 29 jun 2024