mvp house in montana energy savings and costs march 2 nd, 2009 regional technical forum 1
TRANSCRIPT
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MVP House in Montana
Energy Savings and Costs
March 2nd, 2009Regional Technical Forum
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Previously Approved Specifications
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Previously Approved Specifications(continued)
Reminder: Specs were approved at the January 6, 2009 RTF meeting
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Energy Savings Method and Assumptions
• Method: SEEM Runs• SEEM Input Assumptions:
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• Dishwasher (31 kWh/year)– Baseline = 2010 Fed Min Std (355 kWh/yr; 6.5 gal/cycle)*– Upgrade = 2009 Energy STAR Std (324 kWh/yr; 5.8 gal/cycle)**– Included Water/Wastewater Plant Energy Savings
• DHW
– Gross Savings modified by: • Space Heat Interaction - based on foundation-type-specific heating system
efficiency• Space Cool Interaction based - on average estimated cooling efficiency
Energy Savings Assumptions (cont)
*6th Plan assumes baseline is 348 kWh/yr, with a reverse engineered water use of 5.3 gal/cycle.** Standard goes into effect August 11th, 2009. 5
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Cost Assumptions
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Measure Life Inputs
• Shell and HVAC measure savings are combined, so used a “melded” value of 45 years.– Single family new construction shell measures are typically 70 years– HVAC measures are typically 20 years
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Results
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Results
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Results
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Results
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El Fin• Questions?• Recommended Changes?
• RTF approval of energy savings and costs for MVP House in Montana?
• Next steps – BPA to review and approve savings and costs and decide
willingness to pay– Add MVP House in MT measures to the PTR– (April): Review baseline for OR, WA, ID; then develop
savings and costs.
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