Fig. 2
From: Indicators for the optimization of sustainable urban energy systems based on energy system modeling
Indicators in scenario 1. The simulated values are represented as dots and connected by lines. Abbreviations: PEE = primary energy efficiency, SoR = share of renewables, SeS = self-sufficiency, \(m_\mathrm {GHG,es}\) = absolute GHG emissions, \(ED_\mathrm {es}\) = absolute energy demand