The home of the NHER and SAVA - Amazon...
Transcript of The home of the NHER and SAVA - Amazon...
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The home of the NHER and SAVA
National Energy Services
Mark SreevesTechnical Sales Manager
Transition to ECO 3 and deemed scoresSW HAMMAR Seminar
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What we will cover
Brexit – what impact?
ECO 1 & 2 and transition to Fuel Poverty Obligation
Deemed scores
ECO 2 transition and Social Housing
AutoAssessorPRO
Next steps & questions
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Good quality data
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ECO 1 & 2 and transition to Fuel Poverty Obligation
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What is ECO
Energy Companies Obligation
A Government energy efficiency scheme to help reduce carbon emissions and reduce fuel poverty
Administered by Ofgem
ECO 1 – January 2013 to March 2015
ECO 2 – April 2015 to March 2017
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ECO Obligations
ECO currently has 3 Obligations (strands):
1. CERO – Carbon Emissions Reduction Obligation
2. CSCO – Carbon Saving Community Obligation
3. HHCRO – Home Heating Cost Reduction Obligation
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Purpose of the change
Targeting
Simplifying
Learning from previous schemes
Continuity
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ECO Transition
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ECO 2 transition and FPO
Will run from April 2017
More focus on insulation –less boilers
Social housing now eligible for affordable warmth funding –for transitional period only …
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Deemed scores
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Deemed scores
ECO currently uses an EPC (full RdSAP dataset) for scoring
Deemed scores is a table of pre-calculated scores dependent on:
Property type (semi-detached, flat etc)
Property size (number of bedrooms)
Heating system
Measure type
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Deemed scores
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Deemed scores
BIG house = BIG Deemed Score
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Deemed scores
SMALL house = SMALL Deemed Score
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But...
Masses of loft insulation
Well insulated walls and floors
Efficient glazing and doors
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But...
No loft insulation
Old solid brick walls, no floor or wall insulation
Single glazing
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Deemed scores
Current ECO – smaller uninsulated house would get a bigger ECO score for a boiler
Deemed scores – larger well insulated house would get the bigger score for a boiler
So ‘Granny’ alone in the small house stays cold and unable to afford to heat her house
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ECO 2 transition and
Social Housing
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Social Housing
Only dwellings with a SAP rating of E, F or G are eligible (SAP 54 or below)
Insulation measures or ‘new central heating installs’
How can you find E, F, G’s ?
Key characteristics?
AutoAssessorPRO?
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Guess the band?
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Guess the band?
E 53
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Guess the band?
D 56E 53
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Guess the band?
D 56E 53
C 70
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Guess the band?
E 53 D 56
C 70 F 30
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Can we find E, F, G rated properties?
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Solid wall, no mains gas
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Bottledgas
Solid Electricity LPG Oil
E F G
B-D
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Solid wall, no mains gas
88% confidence that solid wall properties with no mains gas heating are E F or G
12%
88%
B-D
E F G
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Opportunities
Asset management systems are likely to hold data on wall type and heating fuel
About 5% of properties in our EPC database have solid walls + no mains gas
Potential to either improve data quality or consider plans for properties with ECO potential
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AutoAssessorPRO
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AutoAssesorPRO
No EPC - use AutoAssessorPRO
Property typeNumber of roomsGlazingHeating system Fuel
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AutoAssessorPRO
How accurate is using just a few data items to predict the SAP rating?
We compared the ratings from actual EPCs with the rating from AAPro with only some of the data
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0
10
20
30
40
50
60
70
80
90
100
within 5 within 10 within 20 within 25
SAP points difference between EPC and AAPro
Minimum
Minimum +roof
Minimum +roof/wall/heating
Full RdSAP vs AAPro
28% within 5 SAP points
53% within 10 SAP points
64% within 5 SAP points
87% within 10 SAP points
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AutoAssessorPRO
What about bands?
EFG is a SAP of 54 or below
Just minimum data set91% of G rated in AAPro would be E,F or G in full RdSAP
+ boiler ID = 92%
+ wall data = 93%
+ roof data = 98%
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Next steps
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Planning improvement works during the transition period?
New central heating system
or insulation
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Do you know the rating?
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Questions?