Opportunities for businesses to directly improve the bottom line through energy efficiency
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OPPORTUNITIES FOR BUSINESSES TO DIRECTLY IMPROVE THE BOTTOM LINE THROUGH ENERGY EFFICIENCY PowerPoint PPT Presentation


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OPPORTUNITIES FOR BUSINESSES TO DIRECTLY IMPROVE THE BOTTOM LINE THROUGH ENERGY EFFICIENCY. 3 rd May 2010 Kees Brinkman Managing Director. INTRODUCTION. Kees Brinkman: Managing Director Mechanical Engineer working in the energy field for 20+ years EMANZ Accredited Energy Auditor

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OPPORTUNITIES FOR BUSINESSES TO DIRECTLY IMPROVE THE BOTTOM LINE THROUGH ENERGY EFFICIENCY

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OPPORTUNITIES FOR BUSINESSES TO DIRECTLY IMPROVE THEBOTTOM LINE THROUGH ENERGY EFFICIENCY

3rd May 2010

Kees Brinkman

Managing Director


INTRODUCTION

  • Kees Brinkman:

    • Managing Director

    • Mechanical Engineer working in the energy field for 20+ years

    • EMANZ Accredited Energy Auditor

  • Enercon is an Energy and Utility Consultancy

    • Based in Christchurch

    • Six staff, all degreed engineers


  • DURING THIS PRESENTATION…

    • Why focus on reducing energy and carbon emissions?

    • Energy Management

    • Potential benefits of an Energy Audit

      • What are the potential savings?

      • Our experience with commercial and industrial clients


    1.Why Focus on Energy and Carbon Emissions?


    REASONS TO FOCUS ON ENERGY?

    • The economics are attractive!

      • Energy prices are increasing all the time

      • Any reduction in energy cost directly impacts on the bottom line

  • Once an Energy Audit is implemented, the cost of the audit is typically paid back in less than 100 days!


  • INCREASING ENERGY PRICES


    REDUCING CARBON EMMISSIONS

    • Reasons to reduce carbon emissions:

      • Emissions Trading Scheme leads to increased costs

      • Combats global warming

  • Ways to significantly reduce carbon emissions:

    • Improve energy efficiency (most common and economically attractive)

    • Switch to renewable fuels / suppliers


  • ENERGY MANAGEMENT SERVICES AVALIABLE TO IMPROVE THE BOTTOM LINE

    • Main Services

      • Scoping and Feasibility Studies

      • Energy Audits

      • Tariff Analysis and Tendering

      • Monitoring and Targeting Systems


    FURTHERMORE…

    • Additional Services

      • Greenhouse Gas Assessments

      • Fuel Switching Feasibility Studies

      • Ongoing Energy Management

      • Audit Implementation and Project Management

      • Concept Design Reviews

      • Demand Side Management Analysis

      • Cogeneration System Analysis


    3.Energy Management


    WHERE TO START…

    • Energy Audit Scoping Study

      • Review the consumption of all sites and operations

      • Benchmark the figures to determine the most efficient path

      • Identify sites in need of Level 2 Energy Audit


    LEVEL 2 ENERGY AUDIT – PROCESS

    • Energy Use Analysis

      • Calculate historic energy use and review bills

      • Determine where/when energy is consumed

      • Find target areas for energy reduction


    LEVEL 2 ENERGY AUDIT – PROCESS

    • Site Visit

      • Kick-off meeting

      • Day-time inspections, including metering where appropriate

      • Afterhours inspections

      • Closure meeting


    LEVEL 2 ENERGY AUDIT – PROCESS

    • Technical Analysis

      • Perform an energy split to determine where energy is used

      • Calculate savings from Energy Management Opportunities

      • Contact contractors to obtain capital costs


    LEVEL 2 ENERGY AUDIT – PROCESS

    • Draft report

      • Client has opportunity to review

  • Review Meeting

  • Final Report


  • THE NEXT STEP…

    • Monitoring and Targeting

      • Monthly review energy consumption and bills for each site

      • Compare consumption and cost against predicted

      • Make recommendations towards changes needed

  • Perform Tariff Reviews

    • Ensure the most cost effective tariff is utilised


  • 4.Potential Benefits…


    ENERGY AUDIT POTENTIAL SAVINGS…

    • Opportunities; less than one year payback

      • Typically 2 – 10% energy savings

  • Opportunities; between one and three year payback

    • Typically 2 – 10+% energy savings

  • Opportunities; greater than three years

    • Depends on the process

    • Are still investigated despite the long payback

    • May have production advantages


  • CASE STUDY – Large MDF Plant

    • Total Identified Savings

      • $1.4 million energy savings annually

      • 0.5 year average simple payback

      • Reduced annual carbon emissions of 2,000 tonnes (11%)


    CASE STUDY – Office Building

    • Total Identified Savings

      • 13.2% energy savings annually

      • 2.8 year average simple payback

  • Major Opportunities Found

    • Improve AHU control and lighting efficiency


  • CASE STUDY – Canterbury Museum

    • Kelvin Nolly

      • Could not be here today

  • Total Identified Savings

    • $79,000 energy savings annually (36.9%)

    • $2,500 implementation cost


  • CASE STUDY – Canterbury Museum

    • Opportunities

      • Optimising the electricity demand controls on the BMS

      • Reducing fresh air being supplied to spaces when not required

      • Switching off plant at night

      • Fixing the humidity controls for AHU9


    CASE STUDY – Canterbury Museum

    • Daily Load Profile

      1. Under floor heating

      2. Office loads

      3. Space heating

      4. Base load

      5. Day lighting


    CASE STUDY – Canterbury Museum

    • Optimising BMS electricity demand controls

      • Saved $34,000

      • BMS load shed HVAC systems to avoid Control Period demand charges

      • Another program was installed to avoid spot prices which conflicted causing large Network Charges

      • Solved by prioritising programs or avoiding spot market


    Any Questions???


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