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. 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 the bottom line through energy efficiency

OPPORTUNITIES FOR BUSINESSES TO DIRECTLY IMPROVE THEBOTTOM LINE THROUGH ENERGY EFFICIENCY

3rd May 2010

Kees Brinkman

Managing Director


Introduction

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

    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

    1.Why Focus on Energy and Carbon Emissions?


    Reasons to focus on energy

    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

    INCREASING ENERGY PRICES


    Reducing carbon emmissions

    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

    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

    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

    3.Energy Management


    Where to start

    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

    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 process1

    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 process2

    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 process3

    LEVEL 2 ENERGY AUDIT – PROCESS

    • Draft report

      • Client has opportunity to review

  • Review Meeting

  • Final Report


  • The next step

    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

    4.Potential Benefits…


    Energy audit potential savings

    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

    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

    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

    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 museum1

    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 museum2

    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 museum3

    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

    Any Questions???


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