Evaluating co-benefits of nZED projects : methodological approach and experimentation in the city of Turin

Federico Dell'Anna

Evaluating co-benefits of nZED projects : methodological approach and experimentation in the city of Turin.

Rel. Stefano Paolo Corgnati, Marta Carla Bottero, Cristina Becchio. Politecnico di Torino, Corso di laurea magistrale in Architettura Costruzione Città, 2015

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Abstract:	Many studies have focused their attention on the concept of zero energy, presented by the European Directive on the energy performance of buildings. These studies are often related to a single building: only a few of them have verified the advantages of its application to a larger scale. Energy savings and other more tangible and monetary benefits of green or high performance building have long been apparent in business. Although some of these green building initiatives are expensive to implement, tangible benefits alone may not offset the initial costs of the projects, especially when considering shorter time horizons. Fortunately, intangible benefits of green building also exist, and for the promotion of such projects must be taken into account as co-benefits. This thesis aims to investigate the "nearly Zero Energy District" (nZED) concept, and tries to propose a calculation method, starting from two cost and benefit analyses (CBA), one developed by EPRI in USA, and the other one by JRC in Europe about Smart Grid projects. Both of them take in consideration three main topics: the costs, the monetary and not benefits. The second main challenges of this thesis is to try to monetize projects qualitative benefits, and to create a single evaluation index for monetary and not benefits, in order to include them in a single calculation procedure. In the end, selected a neighbourhood in Turin, it will be transformed into a nearly zero energy district, thanks to an energetic retrofit and, following this methodological approach, four different scenarios will be compared in order to identify the best solution from an "socio-economic" point of view, by SROI analysis. Keywords: nearly Zero Energy District; Energetic retrofit; non-monetary benefit.
Relatori:	Stefano Paolo Corgnati, Marta Carla Bottero, Cristina Becchio
Tipo di pubblicazione:	A stampa
Soggetti:	A Architettura > AD Bioarchitettura S Scienze e Scienze Applicate > SH Fisica tecnica
Corso di laurea:	Corso di laurea magistrale in Architettura Costruzione Città
Classe di laurea:	NON SPECIFICATO
Aziende collaboratrici:	NON SPECIFICATO
URI:	http://webthesis.biblio.polito.it/id/eprint/4464
Capitoli:	1. INTRODUCTION 1.1 OBJECTIVES AND METHODOLOGY 1.2 STRUCTURE OF THE THESIS 2. NEARLY ZERO ENERGY CONCEPT 2. 1 DIRECTIVE 2010/31/EU 2.2 THE TECHNICAL DEFINITION 2.3 BOUNDARIES OF NEARLY ZERO ENERGY 2.3.1 Physical boundary 3. FROM nZEB TO NEARLY ZERO ENERGY DISTRICTS 3.1 SIX KEY CHALLENGES FOR nZED 3.2 HOW TO ACHIEVE THE nZED TARGET 3.2.1 Storage 3.2.2 Smart grid 3.2.3 Micro-grids, building integration and electric vehicles 3.3 SUSTAINABLE DISTRICT REFERENCE CASES: CONCERTO PROJECT 3.3.1 Montieri: geothermal energy for DH 3.3.2 Alessandria: CONCERTO al Piano 3.3.3 Turin: improving the life quality by renovating council houses in Arquata district 4. COST-BENEFIT ANALYSIS 4.1 CBA: INTRODUCTION AND OVERVIEW 4.1.1 Financial Analysis 4.1.2 Economic analysis 4.2 COMPARISON OF METHODS FOR COST-BENEFIT ANALYSIS OF SMART GRID PROJECTS: EPRI VS JRC 4.2.1 EPRI/DOE CBA methodology for Smart Grid demonstration projects 4.2.2 Beneficiaries 4.2.3 Cost Benefit Analysis by EPRI 4.2.4 Assessment methodology for Smart Grid Projects proposed by JRC 4.2.5 Cost Benefit Analysis by JRC 4.2.6 Sensitivity analysis 5. CO-BENEFITS 5.1 IDENTIFYING THE NON-ENERGY BENEFITS 5.2 IEA STUDIES ABOUT EFFICIENCY ENERGY BENEFITS 5.3 QUALITATIVE IMPACT ANALYSIS BYJRC 5.3.1 Externalities and social impact 6. MONETIZE THE CO-BENEFITS 6.1 METHODOLOGIES FOR CO-BENEFITS QUANTIFICATION AND EVALUATION 6.1.1 Energy Savings 6.1.2 Energy security 6.1.3 GHG emissions reduction 6.1.4 Health Benefits 6.1.5 Green jobs 6.1.6 Increase value of real estate 6.1.7 Reduction of electric energy interruption 6.1.8 Revenue from sale of the electricity by renewable source 7. CASE STUDY 7.1 A sustainable district in Turin 7.1.1 Characterization of the district and the building stock 7.2 SCENARIO ANALYSIS 7.2.1 Scenario 1 7.2.2 Scenario 2 7.2.3 Scenario 3 7.2.4 Scenario 4 7.3 ENERGETIC REFURBISHMENT 7.3.1 The building: passive solutions 7.3.2 The building: the electrical components 7.3.3 The district: supplying thermal and electric energy by District Heating (DH) 7.3.4 The district: street lighting 7.3.5 The district: supplying electricity by photovoltaic 7.4 IDENTIFY AND QUANTIFY THE COSTS 7.4.1 Investment costs 7.4.2 Energy costs 7.4.3 Disposal costs 7.4.4 Maintenance costs 7.4.5 Main characteristics of scenarios 7.4.6 Economic comparison of scenarios 7.4.7 Environmental comparison of scenarios 7.5 COMPARE COSTS AND BENEFITS 7.5.1 Sensitivity analysis 8. CONCLUSION 8.1 CONSIDERATIONS 8.2 FUTURE DEVELOPMENT REFERENCES ANNEX ANNEX 1 - EVALUATION OF POWER INSTALLED ANNEX 2 - Web advertisements ANNEX 3 - Listing prices descriptive statistics ANNEX 4 - CBA OF SCENARIO 1 ANNEX 5 - CBA OF SCENARIO 2 ANNEX 5 - CBA OF SCENARIO 3 ANNEX 7 - CBA OF SCENARIO 4
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