¾ º ²½ìñ ¾ º ðìò ñ Sunlabob

Transcription

1 Introduction to the Sunlabob Energy Audit ການນ າສະເໜ ການກວດສອບພະລ ງງານຂອງ ບ ລ ສ ດ ຊ ນລະບ ບ Customer, Vientiane, Lao PDR March 2011 Sunlabob Energy Audit ¾ º ²½ìñ ¾ º ðìò ñ Sunlabob Energy Audit Department, Sunlabob Renewable Energy Ltd

2 Contents and Aims of the Presentation Contents I. Sunlabob company II. Energy efficiency III. Phase I: Auditing and consulting IV. Phase II: Implementation Aims To provide customer with an overview of our concepts and services and present the benefits of an energy audit towards energy efficiency.

3 Who is Sunlabob? Commercial energy provider based in Vientiane since 2000 Specialised in renewable energy solutions 10 years experience in providing energy for off-grid areas Local knowledge of culture / language / business context Extensive experience in training local staff 2 methods to deliver energy solutions: Selling hardware (Direct Sales) Selling service (Service Provider) Award-winning company 3 I. Sunlabob company

4 Energy contributors in Laos Ministry of Energy and Mines Official support in Lao P.D.R. Long term relationship with Sunlabob 4 I. Sunlabob company

5 Energy efficiency department Energy efficiency activity started in April 2007 First and only company officially licensed by Ministry of Energy and Mines in Lao PDR to conduct energy audit WHAT do we offer to our customers? Sunlabob energy efficiency department helps you to reduce the energy consumption in your buildings with the following solutions: 1. Energy Audit on existing buildings 2. Energy Efficiency Consultancy prior to construction of new buildings 3. Supplying and installing Energy Efficient Equipment 4. Behavioral training, work reorganization 5 I. Sunlabob company

6 Energy efficiency department EE department assets Dynamic building performance simulation: Derob software Supported by Sunlabob s 10 years of expertise in: Solar water heater, solar photovoltaic Decentralized energy free waste water treatment systems: DEWATS Experienced in implementation of: efficient lighting, insulation, motion sensors, etc. Wide range of experiences: Offices, camp sites, houses, schools EE customers successful start with several large contracts: Phu Bia Mining campsites (offices, workshops, accommodations, laundry) : 35.6% savings Swiss Development Cooperation agency: 45.9% savings Vientiane College: 51% savings Lao-German House: 34% savings Theun Hinboun Power Plant Company: 37 % savings 6 I. Sunlabob company Phu Bia Mining Ltd.

7 WHY energy efficiency is beneficial to our customers? Money: Operational cost-efficiencies = positive impact on business profitability Security: Increased energy security (electricity outages, reliability) Quality: Increased comfort and lower maintenance Environment: Reduced environmental impact and increased sustainability of buildings Image: Energy savings = environment protection = increased marketing potential (corporate social responsibility) 7 II. Energy efficiency

8 10 Steps towards Energy Efficiency Phase I : Auditing / Consulting Phase II : Implementation 8 II. Energy efficiency

9 What is an Energy Audit? WHAT Study of the energy use and wastes of your facilities Energy efficient turnkey solution recommendations OBJECTIVES Give a better understanding of the energy consumption Identify and reduce energy wastage and inefficiencies Reduce the energy costs and environmental impact of the building Establish an energy management program BENEFITS Energy Audits can create savings up to 50% off the energy consumption of buildings in use. 9 III. Phase I: Auditing and consulting

10 PHASE I Step 1 1 Parts of the Energy Audit quotation Building Size Energy Expenses Density of Equipment Detailed Quotation - Standard project: Quotation free of charge for phase I. - Large and specific project: A pre-audit site survey will be necessary. Sunlabob Engineering team will review the site before providing an EA quotation. 10 III. Phase I: Auditing and consulting

11 PHASE I Step 2 2 Agreement & Contract Should management decide to proceed, following a meeting and presentation of the quote, a contract will be drawn up to outline the costs and time frame of the project. Customer 11 III. Phase I: Auditing and consulting

12 PHASE I Step 3 3 On-site Data Collection Detailed analysis of the site to determine where, when and how energy is used: Evaluation of site, plant, building and equipment operation Survey of all the building and equipment energy specifications Behavioural questionnaire to staff Hourly consumption profile metering over a period of 7 days Important to cooperate with staff during interviews and measurements + suggestions for improvements 12 III. Phase I: Auditing and consulting

13 PHASE I Step 3 3 On-site Data Collection The following physical values are measured and recorded: Electrical energy (power, intensity, voltage, energy, power factor, harmonics, etc.) Temperature (air, surfaces) Humidity Luminosity Flow rates (air, water) Heat flows Pressure (gas, liquids) Sun insulation 13 III. Phase I: Auditing and consulting

14 Example of on-site data collection table Area Appliance Brand Power (W) Intensity (A) Qty Nameplate Effective Total Effective Power factor Hrs /day Days per week Weeks per year Consumption per year (kwh/yr) Office 10 Fluorescent Philips CFL Downlight Generic Ceiling exhaust fan Generic CFL Downlight Generic Air conditioner MITSUBISHI Fluorescent Philips Air conditioner MITSUBISHI Fluorescent Philips Refrigerator TOSHIBA Water cooler Seandara Oven Berjaya Bread griller Berjaya Water Boiler Zebrathakand Coffee machine Generic Microwave oven Sharp III. Phase I: Auditing and consulting

15 PHASE I Step 4 4 Data Analysis & investigation on energy efficient solutions Energy consumption indicators calculation (kwh/m 2, kwh/staff) Chart of the actual energy use per appliance and building Research and sourcing of materials for customer s unique context Savings and payback period calculation Single day consumption profile Heat transfer principles 15 III. Phase I: Auditing and consulting

16 Global areas of improvements Behavioral training Energy conservation: an energy saving potential not to forget Around 10-15% of savings of the total bill in most cases Air conditioning and insulation Thermal insulation and shading of buildings Reduction of air conditioning load: more than 20% savings on AC Air conditioning maintenance and controls Optimal operation reduces energy usage and increases systems lifetime Evaporative air cooling Solar protection III. Phase I: Auditing and consulting Cellulose insulation

17 Global areas of improvements CFL Lighting Inefficient devices replaced by efficient ones optimizing energy usage Halogen and T8 to efficient lighting offers 70% and 35% savings respectively Implementing control systems (timers, presence sensors) reduce device working time: more than 30% savings Better utilisation of natural lighting: natural light tube Light tube Timer LED Laptop Office equipment improvement N computing Optimizing energy usage of computer systems, printers, photocopiers, etc. 17 III. Phase I: Auditing and consulting

18 Specific areas of improvements Hot water Solar water heaters or heat recovery from AC units can provide free hot water: up to 90% savings Kitchen appliance improvement Optimizing energy usage of refrigerators, freezers, cookers, dish washers, water coolers, water boilers: between 25% 1 and 45% 2 savings Solar water heater 1 adding control on appliances; 2 change of appliance type and size Laundry appliances Optimizing energy usage of washing machines, dryers: 70% savings by implementing natural drying Natural drying 18 III. Phase I: Auditing and consulting

19 Industrial areas of improvements Motors Improving the control system will adjust the power to the load: up to 50% savings* Reduce peak power Increase lifetime of equipment Switch to more efficient and well sized motors: 5 10% savings* *over sizing of motor by 30% Electricity distribution Implement capacitor bank Reduce the current intensity and the consumption: up to 20% Pumps Replacement with efficient and properly sized systems 19 III. Phase I: Auditing and consulting

20 Expected savings on total bills The recommendations can immediately reduce energy costs by 5% - 15% using zero or low cost solutions. Savings of 30% - 50% (or more) can be achieved by adopting more committed solutions. 20

21 PHASE I Step 5 5 Report Writing Summary of findings from data analysis and recommendations: Description of the work involved in applying each implementation measure Cost of implementing each recommendation Annual energy and cost savings for each recommendation Cost/benefit analysis: payback period 21 III. Phase I: Auditing and consulting

22 Example of data analysis charts Laboratory 34.4% Electrical consumption by building per year Warehouse 5.2% Project office 7.4% Admin office 31.9% Electrical consumption by appliance per year Lights 22.3% Air conditioner 39.71% Workshop 15.0% Medical building 6.1% Industrial Equipment 20.20% Fans 1.0% Computers Kitchen 8.1% Other office 2.7% Water 1.1% heater 4.9% 22 III. Phase I: Auditing and consulting

23 Example of equipment inventory table Lights Category Ceiling fixtures Lamps Aircon Fans TOTAL Fans Device Units Halogen bulbs 12V 20W 49 Halogen bulbs 12V 35W 3 CFL bulb 11W 47 CFL bulb 5W 16 T8 Fluorescent 36W 5 Halogene bulb 40W 41 T8 fluorescent 18W 8 Incandescent bulb 10 TOTAL Ceiling fixtures Halogene standard lamp main Halogene standard lamp secondary Halogen desk lamp 1 TOTAL Lamps Category Device Units Computers TOTAL Computer Other office equipment 23 III. Phase I: Auditing and consulting 4 3 Desk lamp 1 TOTAL Lights 188 Single Phase 19 TOTAL Aircon Ceiling fan 3 Standing fan 7 Extraction fan TOTAL Other Office Equipment Kitchen appliances TOTAL Kitchen appliances PU Laptop 1 Mornitor for 1 Laptop CM+PU+UPS Printer 4 Photocopier 1 Fax 1 6 Microwave 1 Fridge 3 Water cooler 2 Water boiler 3 Water pump 1 Coffee Machine 2 12 Dehumidifier 1 Server System 1

24 PHASE I Step 6 6 Presentation of findings & recommendations to the customer Different investment range Zero cost investment measures ( implementable by customer). Low to medium cost investment measures High cost investment measures With different payback periods Short : few months Medium: 2-3 years Long: 5 years or more Findings and recommendations included in the report will be presented by Sunlabob energy audit staff 24 III. Phase I: Auditing and consulting

25 Phase I - Step 6 Template of the main summary table of the report Solution 1 Solution 2 Solution n Designation Quantity Unit Cost per unit (USD) Total cost, labour and installation included (USD) Current energy consumption (KWh/year) Energy consumption with the solution (KWh/year) Energy savings (KWh/year) % of energy saved per appliance % of energy saved on total electricity bill Energy savings (USD/year) Product lifetime (year) Total cost for non efficient material in similar conditions (USD) Cost difference between efficient and non efficient solution (USD) Payback period (year) Return on investment over lifetime (%) Net savings over product lifetime (USD) Net savings over 10 years (USD) Net savings over 20 years (USD) 25 III. Phase I: Auditing and consulting

26 PHASE II Step 7 Phase II will start after a new contract agreement with Sunlabob and will be based on the customer s decision of which solutions to implement. 7 Implementation of Solutions Maintenance, adjustment and upgrading of existing hardware for better energy efficiency Installation of new energy efficient hardware Behaviour training to all levels of staff Implementation of an energy efficiency policy Hardware monitoring Work organization set up Cellulose ceiling insulation 26 IV. Phase II: Implementation

27 PHASE II Step 8 8 User Training Energy efficiency awareness sessions Technical use of new hardware implemented to all levels of staff Technical use of energy monitoring devices to monitoring staff Environmental impact awareness sessions 27 IV. Phase II: Implementation

28 PHASE II Step 9 Europe USA 9 Certification No existing standard in the Lao PDR still to be defined and approved. Use of international standards instead, according to customer s needs Certification process to be conducted by the Lao Institute for Renewable Energy (LIRE) as an independent body. Australia Thailand Examples of existing standards worldwide 28 IV. Phase II: Implementation

29 PHASE II Step Monitoring & Performance Evaluation Installation of energy monitoring devices Setting up of an organization to monitor energy consumption in the premises Training of energy monitoring staff Regular evaluation of results achieved compared to set targets Power meter 29 IV. Phase II: Implementation Power meter

30 Introduction to the Sunlabob Energy Audit ¾ ½ÀÎó ¾ º ²½ìñ ¾ º ðìò ñ Sunlabob Thank you. Feel free to contact us for more details or to arrange a meeting. Sunlabob Renewable Energy Ltd PO Box 9077, Vientiane, Lao PDR - Tel: ( ) Fax: ( ) contact@sunlabob.com