Sustainable Design and the People Factor Opportunities and Challenges Craig Roussac, Investa Property Group Greenbuild Int...
Significant Improvements, Rate Has Slowed Electricity 26 percent reduction since 2003/04 kWh/m2 Greenhouse Emissions 27 pe...
Our best buildings follow a similar pattern Emissions Reductions at Sample Building 1, Sydney
‘ Low Hanging Fruit’ Has Been Picked <ul><li>Water </li></ul><ul><ul><li>$639,000 capital invested (FY04–FY06) </li></ul><...
Sustainability Focus Has Enhanced Returns Valuations rise with evidence of operating cost savings Capital Investment Build...
Similar Buildings, Almost Identical Jobs, Different Outcomes… ~20% reduction ~50% reduction Sample Building , Sydney CBD S...
Example 2: 41% Saving <ul><li>Electricity and water submetering ($72k)  </li></ul><ul><li>Replaced two inefficient chiller...
Vigilant Management is Maintaining Performance <ul><li>Investa’s sustainability initiatives can be categorised into four t...
“ Australia’s First Commercial Trigeneration Precinct”
Too Many People Are Uncomfortable Too Often
Complaints in a Typical Investa Building
Tenants Don’t Like Mondays. Fridays Are Okay!
Complaints vary with energy use
We Can Save Energy by Turning Thermostats Up
We can save energy by turning thermostats up
We Need a ‘Steady State’ Basis for Meaningful Analysis
Good Buildings Behave Predictably
Heading
Goal Isn’t Efficiency; It’s “Resource Productivity”
For Further Discussion [www.isi.org.au] [www.greenbuildingsalive.com] [@buildingsalive on Twitter ]
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Sustainable Energy Solutions and the People Factor.

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  • Investa Property Group 6 October 2011 www.investa.com.au
  • Greenbuild Slides

    1. 1. Sustainable Design and the People Factor Opportunities and Challenges Craig Roussac, Investa Property Group Greenbuild International Conference • Toronto Convention Centre • 4 October 2011
    2. 2. Significant Improvements, Rate Has Slowed Electricity 26 percent reduction since 2003/04 kWh/m2 Greenhouse Emissions 27 percent reduction since 2003/04 kg.CO2/m2 Natural Gas 49 percent reduction since 2003/04 MJ/m2 Water 41 percent reduction since 2003/04 L/m2
    3. 3. Our best buildings follow a similar pattern Emissions Reductions at Sample Building 1, Sydney
    4. 4. ‘ Low Hanging Fruit’ Has Been Picked <ul><li>Water </li></ul><ul><ul><li>$639,000 capital invested (FY04–FY06) </li></ul></ul><ul><ul><li>372,500kL annual savings </li></ul></ul><ul><ul><li>$484,740 annual savings </li></ul></ul>60% ROI <ul><li>Energy </li></ul><ul><ul><li>$2,160,000 capital invested (FY04–FY06) </li></ul></ul><ul><ul><li>12,350MWh annual electricity savings </li></ul></ul><ul><ul><li>34,450GJ annual gas savings </li></ul></ul><ul><ul><li>$1,298,050 annual savings </li></ul></ul>76% ROI
    5. 5. Sustainability Focus Has Enhanced Returns Valuations rise with evidence of operating cost savings Capital Investment Building Valuation  10x Investment 6% CAP RATE @ %
    6. 6. Similar Buildings, Almost Identical Jobs, Different Outcomes… ~20% reduction ~50% reduction Sample Building , Sydney CBD Sample Building, Sydney CBD
    7. 7. Example 2: 41% Saving <ul><li>Electricity and water submetering ($72k) </li></ul><ul><li>Replaced two inefficient chillers, pumps and pipeworks ($620k) </li></ul><ul><li>Installed high efficiency lighting and photoelectric sensors in the carpark ($3k) </li></ul><ul><li>BMCS upgrade, air system rebalance and an optimisation of duct heating controls ($240k) </li></ul><ul><li>Economy cycle was installed ($9k) </li></ul>
    8. 8. Vigilant Management is Maintaining Performance <ul><li>Investa’s sustainability initiatives can be categorised into four types: </li></ul><ul><li>Technological , i.e. investments in plant, equipment and devices </li></ul><ul><li>Contractual , i.e. innovative structuring of relationships with service providers </li></ul><ul><li>Organisational , i.e. techniques to foster greater staff motivation and alignment </li></ul><ul><li>Promotional , i.e. measures to communicate our sustainability platform to staff, tenants and others. </li></ul>Source: Adapted from EP&T
    9. 9. “ Australia’s First Commercial Trigeneration Precinct”
    10. 10. Too Many People Are Uncomfortable Too Often
    11. 11. Complaints in a Typical Investa Building
    12. 12. Tenants Don’t Like Mondays. Fridays Are Okay!
    13. 13. Complaints vary with energy use
    14. 14. We Can Save Energy by Turning Thermostats Up
    15. 15. We can save energy by turning thermostats up
    16. 16. We Need a ‘Steady State’ Basis for Meaningful Analysis
    17. 17. Good Buildings Behave Predictably
    18. 18. Heading
    19. 19. Goal Isn’t Efficiency; It’s “Resource Productivity”
    20. 20.
    21. 21. For Further Discussion [www.isi.org.au] [www.greenbuildingsalive.com] [@buildingsalive on Twitter ]

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