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Reported by: Phạm Huy Phong Deputy Director of the Energy Conservation Center HCMC

ENERGY MANAGEMENT AND MONITORING FOR BUILDING IN VIETNAM. Reported by: Phạm Huy Phong Deputy Director of the Energy Conservation Center HCMC. January, 2013. Contents. The relevant legal documents of building sector Current energy use and potential energy savings of types of buildings

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Reported by: Phạm Huy Phong Deputy Director of the Energy Conservation Center HCMC

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  1. ENERGY MANAGEMENT AND MONITORING FOR BUILDING IN VIETNAM Reported by: Phạm Huy Phong Deputy Director of the Energy Conservation Center HCMC January, 2013

  2. Contents The relevant legal documents of building sector Current energy use and potential energy savings of types of buildings Introduction to energy management system Typical case – efficient energy management system model (Legend Hotel and Television building)

  3. THE RELEVANT LEGAL DOCUMENTS OF BUILDING SECTOR • Decree No.102/2003/ND-CP dated September 03, 2003 of the Government on thrifty and efficient use of energy, specifies activities of thrifty and efficient use of energy in industry, in large buildings, in transportation, in daily activities and for equipment using energy. • Circular No.40/2005/BXD issued energy regulations in construction. • Law No.50/2010/QH12 on economical and efficient use of energy passed by the National Assembly 12 on 28/6/2010, with effect from 1/1/2011: building, authority, institution using State budget and consuming more than 500 tons of oil equivalent in one year is significant energy facility. (Article 32); • Decree No. 21/2011/ND-CP of March 29, 2011, detailing the law on economical and efficient use of energy and measures for its implementation. • Decree No. 73/2011/ND-CP of August 24, 2011, defining handling of administrative violations on economical and efficient use of energy. • Circular No. 39/2011/TT-BCT of October 28, 2011, providing for training, grant of certificates of energy management and energy auditors. • Circular No. 09/2012/TT-BCT of April 20, 2012, specifies the planning, reporting on the implementation plan on economical and efficient use of energy; implementation on energy audit (process and procedures) 3

  4. ENERGY CONSUMPTION STRUCTURE OF A BUILDING IN VIETNAM (Source: ECC-HCMC) Air conditioning Lighting Office equipment (computers, printers, copiers, fans,…) Elevators and water pumps Offices Lighting system Air-conditioning system Other equipment using energy Elevator system Other system Hot water system Commercial centers Lighting system Air-conditioning system Hotels

  5. POTENTIAL ENERGY SAVINGS – OFFICES (Source: ECC-HCMC) ENERGY SAVINGS: 20 - 35%

  6. POTENTIAL ENERGY SAVINGS – HOTELS, COMMERCIAL CENTERS (Source: ECC-HCMC) ENERGY SAVINGS: 15 - 25%

  7. What is energy management system? INTRODUCTION TO ENERGY MANAGEMENR SYSTEM Increase the effectiveness of other management system Maintain effective energy savings Attract the participation of personnel Have objectives to pursue • A system includes: • Resources – financial resources, human resource and technology • Procedures/Regulations, programs in order to manage, implement activities. • Scope: • Areas related to energy consumption in company • Purpose: • Provide methods, programs clearly to implement energy savings in order to achieve planned objectives. 7

  8. Không có hệ thống QLNL INTRODUCTION TO ENERGY MANAGEMENR SYSTEM Continual improvement Cost Year No energy management system Có hệ thống QLNL With energy management system 8

  9. PROCESS FOR ESTABLISHING ENERGY MANAGEMENT SYSTEM Current assessment Design Deploy • Energy policy • Organizational structure • Motivation • Measurement/Monitoring • Communication –Training • Investment of energy • Establish energy team • Train to enhance awareness • Define energy policy • Design documentation of energy management system • Identify areas, equipment of significant energy use and parameters need to test. • Monitor and record data of energy consumption. • Conduct energy audit (energy performance, energy savings solution) • Establish objectives and plan • Implement plan • Motivate and communicate energy savings • Evaluate efficiency of energy management system 9

  10. ISO 50001: 2011 STANDARD STANDARD ON ENERGY MANAGEMENT SYSTEM STRUCTURE: 1. Scope 2. Normative references 3. Terms and definitions 4. Energy management system requirements 4.1. General requirements 4.2. Management responsibility 4.3. Energy policy 4.4. Energy planning 4.5. Implementation and operation 4.6. Checking 4.7. Management review Annex provide guidance for using standard International standard on energy management system, issued in 6/2011 10

  11. EFFECT OF ENERGY CONSERVATION OF BEMS Primary energy consumption of 201 building whole 8.4% Reducing by 11.2% Primary energy consumption (X103GJ) Source：NEDO Actual Result BEMSare installed in 80% of large buildings.

  12. Introduction of V-BEMS in Vietnam Methods of energy savings: • Optimization of the chiller number control. • Optimization of chilled water temperature. • Chilled water pump variable control. • Condenser water pump variable control. • Management of performance of chiller COP. Cooling load Vs. Outdoor air temp • Chiller COP Vs. Cooling load • Chiller COP Vs. Condenser Ent water temp • Chiller COP Vs. Evap Lvg temp. • Water transportation Factor • Cooling Load Vs. WTF • Condenser water temp • Secondary chilled water Temp • System power consumption • Cooling load Vs. occupancy rate Data Analysis Source：Hibiya

  13. Introduction of V-BEMS in Vietnam Typical: Legend Hotel In Ho Chi Minh City: 280 rooms Expected savings 13,000USD/year Payback < 2 years Source：Hibiya

  14. TELEVISION CENTER BUILDING TYPICAL CASE – EFFICIENT ENERGY MANAGEMENT SYSTEM MODEL Objectives In 2011, 100% lamps are replaced to high efficiency lamps Save more than 10% of electricity consumption of cabinet air conditioner – 217 units Reduce 10% of capacity utilization of water chiller system Save 3-5% from the existing transformers Research on using solar power to supply electricity for small loads in early 2013 Deploy the project to upgrade and expand BEMS for entire building Area of 20,000m2 1 basement, 1 ground floor, 14 floors Inaugurated in 2006

  15. SOFTWARE FOR MANAGING AND MONITORING ENERGY • Manage air conditioning systems, electrical system of daily activities, Gaz system, CO2 pollution levels, pumping system, pressure fan. • Monitor electricity at loading branch • Manage electrical system • Measure electricity • Attach additional measuring equipment MacPiu of Ducati, measure electricity in the old building. • Manage lighting system (monitor & remote control). • Manage entrance • Statistic materials & components. • Manage equipment • Set maintainence schedule. • Record history of equipment

  16. Chart of electrical consumption of building in 2008 - 2009 Electricity (kWh) Month RESULTS Reduce 16% of electricity consumption in 2009 against to in 2008. The average electrical performance from 7.16 kWh/m2 (2008) to 14.34 kWh/m2 (2009) THE RESULT

  17. Thank you for your attention

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