LAEND: A Model for Multi-Objective Investment Optimisation of Residential Quarters Considering Costs and Environmental Impacts

Ingela Tietze, Lukas Lazar, Heidi Hottenroth and Steffen Lewerenz
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Ingela Tietze: Institute for Industrial Ecology (INEC), Pforzheim University, Tiefenbronner Str. 65, D-75175 Pforzheim, Germany
Lukas Lazar: Institute for Industrial Ecology (INEC), Pforzheim University, Tiefenbronner Str. 65, D-75175 Pforzheim, Germany
Heidi Hottenroth: Institute for Industrial Ecology (INEC), Pforzheim University, Tiefenbronner Str. 65, D-75175 Pforzheim, Germany
Steffen Lewerenz: Institute for Industrial Ecology (INEC), Pforzheim University, Tiefenbronner Str. 65, D-75175 Pforzheim, Germany

Energies, 2020, vol. 13, issue 3, 1-22

Abstract: Renewable energy systems are especially challenging both in terms of planning and operation. Energy system models that take into account not only the costs but also a wide range of environmental impacts support holistic planning. In this way, burden-shifting caused by greenhouse gas mitigation can be identified and minimised at an early stage. The Life cycle Assessment based ENergy Decision support tool LAEND combines a multi-criteria optimising tool for energy system modelling and an integrated environmental assessment for the analysis of decentral systems. By a single or multi-objective optimisation, considering costs, environmental impact indicators as well as weighted impact indicator sets, the model enables the determination of optimal investment planning and dispatch of the analysed energy system. The application of LAEND to an exemplary residential quarter shows the benefit of the model regarding the identification of conflicting goals and of a system that compensates for the different objectives. The observed shift of environmental impacts from the use phase to the production phase of the renewable electricity generators points further to the importance of the integration of the entire life cycle.

Keywords: modelling of energy systems; model coupling; life cycle assessment; multi-objective optimisation; environmental impacts (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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