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Cogent Energy GBCA Presentation Canberra, 18 Aug 09 PowerPoint Presentation
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Cogent Energy GBCA Presentation Canberra, 18 Aug 09. What is Cogeneration & Advantages?. What is Cogeneration? Simultaneous production & use of electricity & heat. Sometimes referred to as Tri-generation or CHP (Combined Heat Power). Advantages Proven, low risk & short lead time.

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slide1

Cogent Energy

GBCA Presentation

Canberra, 18 Aug 09

slide2

What is Cogeneration & Advantages?

  • What is Cogeneration?
  • Simultaneous production & use of electricity & heat.
  • Sometimes referred to as Tri-generation or CHP (Combined Heat Power).
  • Advantages
  • Proven, low risk & short lead time.
  • 50% less CO2 emissions to grid.
  • Up to 80% energy efficient.
  • Removes requirement for back-up diesels.
  • Can uplift Green Star & NABERS ratings by 1-2 stars.
  • Usually cost-effective.
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Building Case Study – 101 Miller St, N Sydney

  • Building Owners – Mirvac & Eureka
  • Installed during building refurbishment in late 2008
  • 40k sqm commercial, 10k sqm retail
  • Plant services base building and tenants
  • Tenants – Federal ATG Dept, NSW RTA, AGL
  • Base building & tenant energy rates competitive to grid
  • Plant Size
    • 2.4 MW electrical
    • 1.5 MW absorption chilling
    • 70% efficiency
  • 5 Star Green Star, 5 Star NABERS energy
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Getting it Done!

  • Do it yourself
    • Out sourced design & installation
    • Cost of about $2.0-$2.5m per 1 MW installation (including absorption chillers)
    • Ongoing operations & maintenance at about $120k pa per 1MW
    • Accept risk with future gas prices
    • ROI normally determines go or no-go
  • Outsource to distributed energy company (like Cogent Energy)
    • Cogent Energy designs, installs, finances, operates and maintains plant
    • 12 year ESA (Energy Supply Agreement)
    • Electricity, hot water and chilled water priced competitively to black grid energy
    • No gas price risk
    • Capital contribution usually required ( ~ $250k )
    • Remote site monitoring & management