new approaches to planning residential energy retrofits...
TRANSCRIPT
New approaches to planning residential energy retrofits
using the Scorecard
Hugh Bartram,
Senior Policy Officer -Scorecard
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2002 –Energy and
Water Taskforce
(Vic)
2003 –WaterSmart
(Vic)
2007 –Energy Saver
Incentive (Vic)
2009 –Green Loans
2009 –Residential
Energy Efficiency
Scheme (SA)
2009 –Energy Savings Scheme (NSW)
2010 –Green Start
Retrofit programs - 2000 – 2010
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Brotherhood of St
Laurence -Home Energy
Efficiency Upgrade Project
Kildonan –KoorieEnergy
Efficiency Project
South East Councils Climate Change
Alliance –Energy Saver
Study
Environment Victoria –
Future Powered Families
2016 –Sustainability
Victoria retrofit trials
Retrofit programs - 2010 - 2018
2013 - Low Income Energy Efficiency Projects
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Appliance and fixture exchanges
Review
Behaviour change advice
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Victorian retrofit and incentive programs
Healthy Homes
Solar Victoria
Victorian Energy
Upgrades
Energy Savvy
Energy Smart Public
Housing
Targeted
retrofits
Incentives
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Introduction to the Scorecard
The Victorian Residential Efficiency
Scorecard (the Scorecard) is:
• A house energy rating program -
launched in 2017 across Victoria.
• Aimed mainly at existing houses, but
can be used on new builds, including
plans.
• Delivered by accredited assessors
only.
• Designed to provide the householders
or property manager with tailored
advice on energy performance and
options for improvement.
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The Scorecard process
• The assessor visits the home and enters data into the Scorecard
tool.
• A certificate is produced once the information input is complete.
• The assessor explains the results and discusses options to improve
the rating and/or comfort.
• The assessor can offer or refer the customer for upgrades or other
services.
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Important features of the Program
Skilled and accredited assessors - why?
• Skills found to be required, otherwise errors
made
• Repeatability is critical for customer
acceptance
• Quality checks and penalties (if required),
critical to maintain trust in the program
• Tough accreditation hurdle, including
exam, and all assessors audited after
accredited
• Support to improve assessor skills
• Feedback from assessors to improve the
program
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Important features of the Program
Complex tool - why?
Repeatable & accurate assessment - complex & well justified algorithms• includes thermal shell performance
• average behaviour settings
• published technical basis: https://www.victorianenergysaver.vic.gov.au/save-energy-and-money/get-a-home-energy-
assessment/deliver-assessments/assessor-support-materials
Star rating - represents average cost of energy for that home• People love stars & want them to represent cost
• People love to compare with neighbours, between homes,
after reno
Sub-ratings for key home features + hot weather rating +
upgrade options
Formal certificate, star rating sticker for home
Capability to run variations to test upgrade ‘variations’
Optimised to be easy to use in the field for assessors
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Over 2500 assessments – quick facts
75% of homes received the lowest or second lowest
possible rating for building shell performance
Average Scorecard rating in Victoria
is three stars.320% of homes don’t have an air conditioner
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Over 2500 assessments – quick facts
91% of customers were extremely or very
satisfied with the assessment process
and program.
95% of homes have high efficiency
lighting
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• Objective and robust Scorecard tool can provide
clear pre and post home data for assessment and
comparison.
• Building shell is the hardest to get right, but the
biggest opportunity
• Energy performance standards are already
improving appliances
• Training for engagement staff is often overlooked,
but a vital component of a good quality engagement
and program delivery.
New opportunities to upgrades using the Scorecard
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Get in touch if:
• You’re are delivering home assessment or retrofit
work already, or
• If you work in housing projects and are interested
in understanding the housing stock you
Contact
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