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Title: Simplifying Energy Efficiency for Homeowners - Results from a California Utility's Pilot Study of a Scalable Solution to Assess Retrofit and Solar Opportunities: Preprint

Abstract

For homeowners, typical choices to reduce net energy use in their homes include: upgrading their home with a tailored efficiency retrofit or investing in roof-top solar. Determining the unique combination of these options that will provide the most cost-effective solution requires analysis for each home. This analysis needs to be presented in a simple and actionable way to homeowners. The solution should also be easily scalable to thousands of homes to enable utilities to better target efficiency program options and support solar installations. Sacramento Municipal Utility District (SMUD) piloted a new tool developed by Vistar Energy called XeroHome that automates the assessment of energy efficiency and solar opportunities in existing homes. XeroHome demonstrates an approach to using building energy modeling, energy use data analytics and homeowner engagement to identify and target energy efficiency opportunities at scale. XeroHome uses automation to build an EnergyPlus model for each home, based on information from public data sources such as property assessment records, building permit records, aerial/satellite photography, and template models derived from ResStock. Utilizing cloud computing, machine learning and optimization algorithms, energy upgrade packages are ranked by cost-effectiveness for each home and presented over an interactive web-portal. This paper discusses SMUD's pilot projectmore » using XeroHome to conduct analysis for 1,500 existing homes in Sacramento, CA. Development of XeroHome's advanced analytics capabilities are discussed in the context of applicability for utility programs.« less

Authors:
 [1];  [1];  [1];  [2]; ORCiD logo [3];  [3]
  1. Vistar Energy
  2. Sacramento Municipal Utility District (SMUD)
  3. National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Building Technologies Office (EE-5B)
OSTI Identifier:
1479631
Report Number(s):
NREL/CP-5500-72176
DOE Contract Number:  
AC36-08GO28308
Resource Type:
Conference
Resource Relation:
Conference: Presented at the 2018 ACEEE Summer Study on Energy Efficiency in Buildings, 12-17 August 2018, Pacific Grove, California
Country of Publication:
United States
Language:
English
Subject:
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION; net energy use; residential buildings; efficiency retrofit; roof-top solar; cost-effective; Sacramento Municipal Utility District; SMUD; Vistar Energy; XeroHome; energy efficiency; building energy modeling; energy use data analytics; homeowner engagement; EnergyPlus; ResStock; cloud computing; machine learning; optimization algorithms; energy upgrade

Citation Formats

Saxena, Mudit, Coffey, Brian, May-Ostendorp, Peter, Rasin, Joshua, Wilson, Eric J, and Horowitz, Scott G. Simplifying Energy Efficiency for Homeowners - Results from a California Utility's Pilot Study of a Scalable Solution to Assess Retrofit and Solar Opportunities: Preprint. United States: N. p., 2018. Web.
Saxena, Mudit, Coffey, Brian, May-Ostendorp, Peter, Rasin, Joshua, Wilson, Eric J, & Horowitz, Scott G. Simplifying Energy Efficiency for Homeowners - Results from a California Utility's Pilot Study of a Scalable Solution to Assess Retrofit and Solar Opportunities: Preprint. United States.
Saxena, Mudit, Coffey, Brian, May-Ostendorp, Peter, Rasin, Joshua, Wilson, Eric J, and Horowitz, Scott G. Tue . "Simplifying Energy Efficiency for Homeowners - Results from a California Utility's Pilot Study of a Scalable Solution to Assess Retrofit and Solar Opportunities: Preprint". United States. doi:. https://www.osti.gov/servlets/purl/1479631.
@article{osti_1479631,
title = {Simplifying Energy Efficiency for Homeowners - Results from a California Utility's Pilot Study of a Scalable Solution to Assess Retrofit and Solar Opportunities: Preprint},
author = {Saxena, Mudit and Coffey, Brian and May-Ostendorp, Peter and Rasin, Joshua and Wilson, Eric J and Horowitz, Scott G},
abstractNote = {For homeowners, typical choices to reduce net energy use in their homes include: upgrading their home with a tailored efficiency retrofit or investing in roof-top solar. Determining the unique combination of these options that will provide the most cost-effective solution requires analysis for each home. This analysis needs to be presented in a simple and actionable way to homeowners. The solution should also be easily scalable to thousands of homes to enable utilities to better target efficiency program options and support solar installations. Sacramento Municipal Utility District (SMUD) piloted a new tool developed by Vistar Energy called XeroHome that automates the assessment of energy efficiency and solar opportunities in existing homes. XeroHome demonstrates an approach to using building energy modeling, energy use data analytics and homeowner engagement to identify and target energy efficiency opportunities at scale. XeroHome uses automation to build an EnergyPlus model for each home, based on information from public data sources such as property assessment records, building permit records, aerial/satellite photography, and template models derived from ResStock. Utilizing cloud computing, machine learning and optimization algorithms, energy upgrade packages are ranked by cost-effectiveness for each home and presented over an interactive web-portal. This paper discusses SMUD's pilot project using XeroHome to conduct analysis for 1,500 existing homes in Sacramento, CA. Development of XeroHome's advanced analytics capabilities are discussed in the context of applicability for utility programs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Oct 23 00:00:00 EDT 2018},
month = {Tue Oct 23 00:00:00 EDT 2018}
}

Conference:
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