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Assessorato all’Ambiente Comune di Padova

Assessorato all’Ambiente Comune di Padova. Planning of the energy saving and efficiency interventions and of the use of renewable energy resources for the municipal administration of Padua.

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Assessorato all’Ambiente Comune di Padova

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  1. Assessorato all’AmbienteComune di Padova Planning of the energy saving and efficiency interventions and of the use of renewable energy resources for the municipal administration of Padua

  2. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • General analysis of the dimensions and inefficiencies of the electrical and thermal consumption of the municipal administration of Padua • Proposals regarding efficiency interventions, energy saving and renewables • Evaluation of the economic expenses and of the environmental advantages • Articulation of the study into 5 main intervention sectors: • public lighting • traffic lights • buildings • transport • renewable energy resources

  3. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Methodological approach of the problem • Analysis of the actual state • Elaboration of efficiency and consumption indicators • Preliminary definition of the interventions • Estimate of the cost and return time of the investments • Evaluation of the economic expenses and of environmental advantages

  4. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Energy and money saving is based on the improvement of 3 distinct elements • Supply contract • Quality of the plants (and of the structures) • Management system(and maintainance) • Qualityof the plants • (environmental advantages) • High • Poor • Absent • Excellent • Very bad • Management system (environmental advantages) • Supply contract • Good

  5. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Electrical and thermal consumption (excluding public lighting)

  6. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Dimensions and costs of the electricityconsumption for the various sectors (excluding public lighting)

  7. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Electrical energy cost distribution • Electricity consumption distribution

  8. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Distribution of the electricity consumption for schools • Distribution of the electricity consumption for cultural services

  9. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Supply contracts • Quality of the plants • (Environmental advantages) • SystemManagement(Environmental advantages) • Very bad • Supply contracts • Good

  10. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Quality of the plants • systemManagement • Very bad • Average purchase prices of electrical energy on the fixed market per consumption category • Supply contract • Good

  11. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Quality of the plants • systemManagement • Very bad • Average purchase prices of electrical energy on the free market • Supply contract • Good

  12. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Improvement of the energy supply contract for 21 consumption categories (6 new ones) • Quality of the plants • systemManagement • Very bad • Supply contract • Good

  13. 0 10 20 30 40 50 60 70 80 90 100 Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables Negotiable part of the final price 1. ENERGY 2. PERDITE 3. DISPACCIAMENTO 4. TRASPORTO 5. MAGGIORAZIONI 6. IMPOSTE(dipendono dalle disposizioni fiscaliin essere e dal regime fiscale del punto di prelievo)

  14. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Annual consumption of electrical energy of about 8.500.000 kWh (8,5 GWh) • Annual contract, renewable for 3 years, with the possibility to add new users at the same contract conditions • Discount of 6,6% with respect to the fixed market for both LV and MV users (on the negotiable part of the energy price) • Saving over 40.000 €/anno • Quality of the plants • systemManagement • Very bad • Supply contract • Good

  15. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Public lighting • Qualityof the plants • High • Poor • Absent • Excellent • Supplycontract • Management System

  16. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Actual state of the plants • High • Quality of the plants • Poor • systemManagement • Supplycontract

  17. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Light sources • High • Qualitàdegliimpianti • Poor • systemManagement • Supplycontract

  18. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Intervention strategy in two separate and consecutive phases • First phase • sostituzione dei 9.800 apparecchi illuminanti obsoleti (“gonnella”) e delle relative lampade a bassa efficienza • sostituzione delle restanti 6.007 lampade a bassa efficienza delle lampade ad alta efficienza • mantenimento degli impianti in serie con sostituzione dei trasformatori a bobina mobile con regolatori statici elettronici • installazione di regolatori di flusso negli impianti in derivazione, ove possibile • progressiva messa a norma dei quadri elettrici di alimentazione e mantenimento temporaneo di tutte le altre parti impiantistiche esistenti (sostegni, alimentazioni, quadri, ecc..) • High • Qualityof the plants • Poor • systemManagement • Supplycontract

  19. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Second phase • riprogettazione e razionalizzazione delle restanti parti di impianto con le risorse economiche liberate dagli interventi della prima fase • ulteriore messa a norma dei quadri elettrici • identificazione e destinazione di parti di impianto per la sperimentazione di nuove tecnologie di lampade, di apparecchiature per la variazione del flusso luminoso e di sistemi di telecontrollo • raggruppamento delle utenze specie in prossimità dei quadri alimentati in media tensione • informatizzazione dei dati di impianto ai fini dell’ottimizzazione della gestione della manutenzione • identificazione cartografica dei punti luce • High • Quality of the plants • Poor • Absent • Excellent • systemManagement • Supplycontract

  20. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • High • Qualityof the plants • Poor • systemManagement • Supplycontract

  21. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Cost/benefit estimate • High • Qualityof the plants • Poor • systemManagement • Supplycontract

  22. Introduction Supply Contracts Public lightingTraffic lights Buildings Transport Renewables • Traffic lights • Quality of the plants • High • Poor • systemManagement • Supplycontract

  23. Introduction Supply Contracts Public lightingTraffic lights Buildings Transport Renewables • Mobility and traffic sector • Electrical consumption distribution • High • Qualitàdegliimpianti • Poor • systemManagement • Supplycontract

  24. Introduction Supply Contracts Public lightingTraffic lights Buildings Transport Renewables • Actual state of the traffic light system • High • Quality of the plants • Poor • systemManagement • Supplycontract

  25. Introduction Supply Contracts Public lightingTraffic lights Buildings Transport Renewables • Replacement with LED lamps of only the lamps with diameter 300 mm (100 W)

  26. Introduction Supply Contracts Public lightingTraffic lights Buildings Transport Renewables • Cost/benefit estimate • High • Quality of the plants • Poor • systemManagement • Supplycontract

  27. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Buildings • Quality of the plants • High • Poor • Absent • Excellent • Very bad • System management • Supply contract • Good

  28. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Subdivision and distinct analysis of electrical and thermal energy (prevailing part) • Estimate of the efficiency degree by confronting specific consumption with reference values according to the sector with a homogeneous user destination • Intervention possibility • plant and structures quality • consumption management • supply contracts • Quality of the plants • Supply contract • Management system

  29. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Electricity consumption • Average statistical reference values • Quality of the plants • Supply contract • Management system

  30. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Electricity Consumption • Quality of the plants • School services • Supply contract • Management system

  31. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi elettrici • Asili nido

  32. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi elettrici • Scuole materne

  33. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi elettrici • Scuole elementari

  34. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi elettrici • Scuole medie

  35. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Electricity consumption • Qualityof the plants • Sport facilities • Supply contract • Management system

  36. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi elettrici • Palestre

  37. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi elettrici • Campi sportivi

  38. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi termici • Asili nido

  39. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi termici • Scuole materne

  40. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi termici • Scuole elementari

  41. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi termici • Scuole medie

  42. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi termici • Campi sportivi

  43. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Consumi termici • Palestre

  44. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Thermal consumption • Transformation of the fuel boilers in methane boilersEnvironment benefits • Qualityof the plants • systemManagement • Supply contract

  45. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Thermal consumption • Transformation of the fuel boilers in methane boilersEnvironment benefits • Quality of the plants • systemManagement • Supply contract

  46. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Transport • Qualityof the plants • High • Poor • SystemManagement • Supply contract

  47. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Incidence percentage of transport on polluting emissions • High • Qualityof the plants • Poor • Absent • Excellent • Management system • Supply contract

  48. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Distribution of the motor vehicles according to typology • High • Qualityof the plants • Poor • Absent • Excellent • Management system • Supply contract

  49. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Distribution of the motor vehicles according to sector • High • Qualityof the plants • Poor • Absent • Excellent • Management system • Supply contract

  50. Introduction Supply Contracts Public lighting Traffic lights Buildings Transport Renewables • Distribution of motor vehicles according to alimentation type • High • Qualityof the plants • Poor • Absent • Excellent • Management system • Supply contract

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