Schwarz, H., V. Bertsch and W. Fichtner (2018). Two-stage stochastic, large-scale optimization of a decentralized energy system: a case study focusing on solar PV, heat pumps and storage in a residential quarter, OR Spectrum, Vol. 40, Issue 1, January 2018, pp. 265–310, https://doi.org/10.1007/s00291-017-0500-4