Using ResStock to evaluate emerging technologies across ......Using ResStockto evaluate emerging...
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Using ResStock to evaluate emerging technologies across the U.S. housing stock
Eric Wilson, National Renewable Energy LaboratoryDecember 12, 2017
2017 BTO FOA Kick-off Meeting
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Approach – Data Sources
Highly granular open-source modeling for national, regional, and local housing stocks
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Approach – Data SourcesEIA Res. Energy Consumption Survey (RECS)NAHB Homebuilder SurveysIECC Historical Energy CodesOther national, regional, and local audit databases
Census Data
Climate Locations
Costs
BuildingCharacteristics
Census American Community Survey (ACS)
EIA Electricity and fuel costsNREL OpenEI.org Utility Rate DatabaseNREL/Navigant Measure Cost Database
NREL TMY3 weather data
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EIA Res. Energy Consumption Survey (RECS)NAHB Homebuilder SurveysIECC Historical Energy CodesOther national, regional, and local audit databases
Census Data
Climate Locations
Costs
BuildingCharacteristics
Census American Community Survey (ACS)
EIA Electricity and fuel costsNREL OpenEI.org Utility Rate DatabaseNREL/Navigant Measure Cost Database
NREL TMY3 weather data
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Detailed sub-hourly energy simulations
OpenStudio
EnergyPlus
U.S. DOE Tools
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Ability to simulate emerging technologies
OpenStudio
EnergyPlus
U.S. DOE ToolsEmergingtechnology
Systemperformancecharacterization
Detailedopen-sourcecomponentmodels
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OpenStudio
EnergyPlus
U.S. DOE Tools Many Partners: Shared Development Resources
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350,000
20 million
2.4
simulations for baseline U.S single-family housing stock
simulations for 50+ upgrades
years of computing time
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A high-granularity approach to cost-effectivenessTypical Approach High-Granularity Approach
Gas Heat
Electric Heat
5 10+3
Payback, in years, for drill-and-fill wall insulationin Washington and Oregon single-family homes
= 50,000 homes
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A high-granularity approach to cost-effectivenessTypical Approach High-Granularity Approach
Gas Heat
Electric Heat
5 10+3
Payback, in years, for drill-and-fill wall insulationin Washington and Oregon single-family homes
= 50,000 homes
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Application: Product Design & Marketing
• Early-stage: What is the value proposition in different regions?
• Mid-stage: How can performance be optimized?
• Late-state:Target marketing for customer segments with most to save Potential revenue from high-efficiency
variable-speed heat pump equipment salesand installation in households where theupgrade has a less than 5 year paybackperiod.
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Evaluate Price Point – Drill-and-Fill Wall Insulation
7 million homes with less than 5 year payback
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Evaluate Price Point – Drill-and-Fill Wall Insulation
7 million homes with less than 5 year payback
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Evaluate Price Point – Drill-and-Fill Wall Insulation
7 million homes with less than 5 year payback
23 million homes with less than 5 year payback
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Acknowledgements
EERE Building Technologies OfficeEERE Office of Strategic ProgramsOffice of Energy Policy and Systems Analysis Regions 8 & 10
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