Capex Capital Expenditures CBB Consumption Based Billing CO 2 Carbon dioxide CPI Consumer Price Index DH District Heating DHCs District Heating Companies EE Energy Efficiency EHS Environmental, Health and Safety EIA Environmental Impact Assessment EIRR Economic Internal Rate of Return E&S Environmental and Social ESAP Environmental and Social Action Plan ESDD Environmental and Social Due Diligence ESMP Environmental and Social Management Plan EU European Union EURIBOR European Interbank Offered Rate GET Green Economy Transition GHG Greenhouse Gases GDP Gross Domestic Product HP Heat Pump IMF International Monetary Fund LCDS Low Carbon Development Strategy M Million MEI Municipal and Environmental Infrastructure MoF Ministry of Finance MoME Ministry of Mining and Energy NDC Nationally Determined Contributions NECP National Energy and Climate Plan NTS Non-Technical Summary PIP Priority Investment Period PIU Project Implementation Unit PP&R Bank's Procurement Policy & Rules ReDEWeB Renewable District Energy in the Western Balkans Programme ReDE Renewable District Energy RES Renewable Energy Sources REEP Regional Energy Efficiency Programme RoS Republic of Serbia RSD Serbian Dinar SDHBA Serbian District Heating Business Association SECO Swiss State Secretariat for Economic Affairs SEP Stakeholder Engagement Plan TC Technical Cooperation