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Municipality of Velenje

Energy management of Municipality of Velenje Peter Virtič Faculty of Energy Technology, University of Maribor Dresden, October 15th, 2012. Municipality of Velenje. 5th largest Slovenian city 3 5 .000 in habitants In 1959 Velenje became the City

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Municipality of Velenje

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  1. Energy management of Municipality of VelenjePeter VirtičFaculty of Energy Technology, University of MariborDresden, October15th, 2012

  2. Municipality of Velenje • 5th largest Slovenian city • 35.000 inhabitants • In 1959 Velenje became the City • City of Velenje has made tremendous efforts to revitalize ruined landscape because of coal exploitation and to turnthat handicap into advantage. • Strong economy with major company "Gorenje“(domestic appliances) and "Coal mine Velenje" are along with the youth of the citythe main reasons for pleasant and healthy living conditions.

  3. Main heating system in the Municipality of Velenje • Private: 56,8 % use of energy • Industry: 30,2 % use of energy Shares of heating

  4. District heating system in Šaleška Valley Second largest district heating system in Slovenia: Velenje and Šoštanj, with suburban's: Podkraj, Pesje, Lokovica and Topolšica. CHARACHERSITICS: - 256 MW installed power, - 144 km od pipelines,

  5. Solving of energy problems Reducing the impact of Climate Changes: • Rational use of energy • Renewable energy sources • Energy management

  6. Energy management of Municipality of Velenje • 2004: Energy concept of the Municipality of Velenje; • 2006: Establishing of the Energy Agency KSSENA; • 2007 – 2011: • Operational plan for energy reconstruction of public lightening in the Municipality of Velenje; • Energy audits, analyses, energy bookkeeping, energy reports (consumption and costs), etc; • Action planed for RES and RUE; • Implementation of RES and RUE process.

  7. What is KSSENA? • Established in 2006 within the framework of Intelligent Energy Europe (IEE) • Founders: Municipality of Velenje (MOV), Municipality of Celje (MOC), Municipality of Slovenj Gradec (MOSG) and Public utilities company (KPV) • Number of employees: 6 • Expert organisation specialized in the field of energetics, with the emphasis on RES and RUE, and project management. • Professional bridge between potential users (emphasis on the public sector) and suppliers of specialized energetic services and products.

  8. Energy Audits • More than 100 energy audits in Velenje (KSSENA): • Energy supply and consumption analyses, • Processing of energy data, • Determination of optimal measures, • Preparation of RES and RUE action plan for each particular building.

  9. Energy bookkeeping EnergyAct - All public buildings with over 500 m2 of netto heat surface MAIN FUNCTIONS:- managers recognize their energy consumption; - invoice management (advanced energy bookkeeping),- energy and financial data management,- analysis,- financial and energy planning,- energy and financial reports,- financial and energetic planning for energy efficient measures,- monitoring,- all buildings connected in one comprehensive energy- informational system. 35 buildings in Velenje

  10. CHP of Primary School Škale • - Before • Preliminary heating: Fuel oil (consumption over 20.000 l)Obsolete and outdated boilerEnergy number :> 200kWh/m2 (in 2007)- Reconstruction of theheating system • Implementation of cogeneration of heat and electric • power system • 2 units (5,5 kWeand 12,5 kWh)Other Reconstructions:ReplacementofwindowsReplacementofthe doorReplacementofblinds

  11. PV power plant: Municipality of Velenje Installed Power: 17,4 kWpEstimated annual electrical energy production: 17,4 MWhEstimated annual production in EUR: € 6,600Selected contractor: BISOL, d.o.o.The completion of works: July 2010

  12. PV power plant: Primary school Livada Installed power: 49,68 kWpEstimated annual electricity production: 50 MWhEstimated annual production in EUR: € 19,000Selected contractor: Antim, d.o.o.Completed: December 2010

  13. Small PV power plant on Primary school Gustava Šiliha • Installed power: 46 kWp • Estimated annual electricity production: 46 MWh • Estimated annual production in EUR: € 18,000 • Selected contractor: Antim, d.o.o. • The completion of works: December 2010

  14. Free public transportationLokalc Free public transport has a direct impact on the environmental burden through the exhaust and noise. We assume the potential saving of CO2 emissions of at least 169 tones of CO2 per month, at the annual level this means of 2034 tones of CO2 emissions. (Source: ‚‘Lokalc‘‘ Survey in 2009 conducted by the Municipality of Velenje and the Energy Agency KSSENA among the users on the bus and the local population).

  15. District cooling system in Velenje • In 2008 the Municipality of Velenje, Utility Company of Velenje and the Institute of District Energy established the first district cooling system in Slovenia • The installed power of cooling is 970 kW • The system is designed in three phases - it is expected to be completed by 2012 • The advantage of cooling • Utilization of excess heat from the thermal power plant • Reducedenergy use for cooling by 16% (comparing to the individual cooling units)

  16. District cooling in Velenje

  17. Street lighting :PV lights Illumination of the pavement, where the power is supplied by the photovoltaic panelsLength of pavement: 450 mNumber of lamps: 13Lamp: LED LSL 30Pillar height h = 7 mRechargeable Batteries: 2x40 AhPhotovoltaic Panel: 85 WpInverter power: 75 W

  18. Street lighting:PILOT PROJECT „Energy self-sufficient STREET LIGHTING” 2 energetically independent street lamps 2 differentRES: wind turbine and thin film PV module on pillar: Velenje Lake

  19. Technical specifications PV panel: • 136 W, • dimensions: 5,49 m x 0,39 m x 0,004m Vertical wind turbine: • rotor diameter of wind turbine: 1,25 m • height of the rotor: 1,1 m • mass of wind turbine: 25,5 kg 35 W LED lamp

  20. Municipality of Velenje and Covenant of Mayors • March 2010: presentation of Action plan to the Mayor of Velenje • April 2010: presentation of the Action plan to Velenje City Council and the Covenant of Mayors • May2010: Signature of the Covenant of Mayors in Brussels

  21. Thank you!

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