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Let’s Solarize! Moving Toward

Net-Zero at Aiken

Let’s Solarize! Moving Toward

Net-Zero at Aiken

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Net-Zero Aiken?

A High Performance Learning & Working Environment

  Most efficient building on UVM Campus

  Expected to be LEED Platinum

  Living building to serve as long-term demonstration project

  Highly visible beacon for UVM

  Research site to prove environmental and economic value of green features

  Monitoring system, including Web access, with displays for viewing by students, visitors, and others

  Sustainability education tool

Education Tools ������ •  EcoMachine

•  Green Roof���

•  Efficiencies ���

•  Alternative Energy

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Learning Laboratory of Living Systems

•  EcoMachine

Learning Laboratory of Living Systems

•  EcoMachine

•  Green roofs

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Education Tools

•  EcoMachine

•  Green roofs

•  Efficiencies

Education Tools

•  EcoMachine

•  Green roofs

•  Efficiencies

•  Renewable energy

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Education Tools

•  EcoMachine

•  Green roofs

•  Efficiencies

•  Renewable energy

2009 Aiken CEF Project

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Aiken Trackers @ USFS

Aiken MiniTracker

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Aiken Trackers Aiken trackers produced 112,482 kWh Based on Aiken energy models Renewable energy production is 28.8% of total energy use

•  Aiken Center and classes continue to teach about sustainable building practices

•  Net-zero building achievable goal for UVM and CEF

•  Fits CEF mission to finance clean energy projects

•  Aiken Center designed for Net-zero

2013 CEF Moving Toward Net-Zero at

Aiken

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•  Net-zero building achievable goal for UVM and CEF

•  Fits CEF mission to finance clean energy projects

•  Aiken Center designed for Net-zero

2013 CEF Moving Toward Net-Zero at

Aiken

•  Net-zero building achievable goal for UVM and CEF

•  Fits CEF mission to finance clean energy projects

•  Aiken Center designed for Net-zero

2013 CEF Moving Toward Net-Zero at

Aiken

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Methods Install additional 17 solar trackers at

Forest Service to provide about 30% of

Aiken energy needs. Total of nearly 60%

Benefits Carbon emissions reduction Immediate cost savings of > $1,300/yr Provides next step towards Net-zero

Aiken

2013 CEF Moving Toward Net-Zero at Aiken

Methods Install additional 17 solar trackers at

Forest Service to provide about 30% of

Aiken energy needs. Total of nearly 60%

2013 CEF Moving Toward Net-Zero at Aiken

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Student Engagement •  Students advanced concept of net-zero

energy at Aiken •  Student involvement with monitoring

energy, research, and analysis •  Working example of renewable energy

2013 CEF Moving Toward Net-Zero at Aiken

Student Engagement •  Students advanced concept of net-zero

energy at Aiken •  Student involvement with monitoring

energy, research, and analysis •  Working example of renewable energy

2013 CEF Moving Toward Net-Zero at Aiken

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Draft Budget (17-20 tracker units)

•  Power Purchase Agreement (PPA) •  $0 upfront costs •  10% power cost savings for up to 25 years

2013 CEF Moving Toward Net-Zero at Aiken

Draft Budget (17-20 tracker units)

•  Power Purchase Agreement (PPA) •  $0 upfront costs •  10% power cost savings for up to 25 years

•  At end of year 6 and every year after that •  Purchase system for Fair Market Value

•  Outright cost ≈ $400,000 •  Cost after 6 years ≈ $200,000 •  After purchase CEF gets >$13,000/yr

power •  After purchase CEF get >$6,000/yr

GMP rebate (+ 0.06/kWh) •  <11.1 year payback period of CEF

investment

Moving Toward Net-Zero at Aiken

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Draft Budget (17-20 tracker units)

•  Power Purchase Agreement (PPA) •  $0 upfront costs •  10% power cost savings for up

to 25 years

2013 CEF Moving Toward Net-Zero at Aiken

Justification for use of student-supported CEF •  Reduction in carbon emissions is fully

consistent with the mission and vision of CEF

•  Solar-based renewable energy also closely matches the mission and vision of the CEF

2013 CEF Moving Toward Net-Zero at Aiken

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Questions?