Energy efficiency indicators in the UK

1
(No Transcript)
2
Energy efficiency indicators in the UK

• Chris Bryant, Department of Trade and Industry

3
Outline of presentation

• Use of indicators to aid policy work
• UK development work on energy efficiency
  indicators
• Some key UK trends revealed by the indicators
• Key sources of information to compile indicators

4
Uses of indicators (1)

• To monitor the impact of policies
• To monitor progress against targets eg Kyoto
  target, PSA targets
• To understand trends and make projections
• To inform evidence-based policy development

5
Four goals of Energy White Paper

• To put ourselves on a path to cut UKs CO2
  emissions by 60 by about 2050, with real
  progress by 2020
• To maintain the reliability of energy supplies
• To promote competitive markets in the UK and
  beyond, helping to raise the rate of sustainable
  economic growth and to improve our productivity
• To ensure that every home is adequately and
  affordably heated

6
Use of indicators (2)

• Government will monitor progress with EWP
• goals annually. Proposed 10 key indicators
• covering
• Environment objectives
• Reliable supplies of energy
• Competitive energy markets
• Social objectives
• First includes energy ratio and energy intensity
  by sector.

7
Energy Review

• What is the Governments role in ensuring that
  the UKs long term goal of reducing carbon
  emissions is met ?
• How do we develop our market framework for
  delivering reliable energy supplies ?
• Are there particular considerations that should
  apply to nuclear ?
• Are there particular considerations that should
  apply to carbon abatement and other low carbon
  technologies ?
• Steps to take towards ensuring that every home is
  adequately and affordably heated ?

8
Indicators hierarchy
Carbon emissions
Primary energy consumption
Transformation
Final energy consumption
Energy efficiency
Energy service demand
Energy efficiency measures
Economic and social trends
9
(No Transcript)
10
Domestic sector energy efficiency index

• Energy use energy service demandenergy
  efficiency index
• Energy balance model used to determine split of
  changes in heating demand between comfort and
  efficiency
• Efficiencies of hot water provision calculated
  from information on boiler efficiencies
• Lighting efficiencies calculated from mix of
  incandescent and energy saving lightbulbs
• Appliances efficiencies based on a stock model
  combined with the testing of new models

11
(No Transcript)
12
(No Transcript)
13
(No Transcript)
14
Sources of information for domestic energy
efficiency indicators

• Overall consumption for sector from suppliers
• Estimates of consumption by end-use based on
  energy balance modelling
• Building Research Establishment maintain two key
  models
• Market Transformation Programme Models maintains
  model on appliance ownership and efficiencies
• Indicators also use more general information
  number of households, personal disposable income

15
Energy efficiency indicators in industrial sector

• Wish to use bottom-up approach here too
• But greater diversity of ways in which energy is
  used than the domestic sector
• Current focus is top-down indicators, energy
  intensities disaggregated as far as possible
• But disaggregation limited by quality of
  sub-sectoral estimates of energy consumption
• Research project looking at how best to introduce
  bottom-up estimates and reconcile with top-down

16
(No Transcript)
17
(No Transcript)
18
Output and intensity effects on industrial energy
consumption between 1990 and 2000
19
Sources of information for industrial energy
efficiency indicators

• Surveys of suppliers give information on
  consumption for 12 industrial groups
• Annual Business Inquiry
• EU-ETS information for energy-intensive sectors
• Exploring use of linking electricity and gas
  meter data to the UKs business register
• National accounts information on value added by
  sector
• Energy Efficiency Best Practice Programme

20
Service sector indicators

• Limited breakdown of this sectors consumption
  from suppliers
• Annual Business Inquiry provides more detail. Gas
  and electricity data may offer more
• Sub-sectoral intensities can be calculated in
  relation to value-added, employees, floorspace
• Some potential for exploring similar approach to
  the domestic sector

21
Service sector energy intensity
22
Transport sector

• Transport service demand can be measured as
  passenger miles and tonne kilometres
• Also possible to measure energy efficiency of
  vehicles directly
• Two approaches can produce different results

23
Transport sector intensities
24
Publication of energy efficiency indicators

• UK Energy Sector Indicators http//www.dti.gov.uk/
  energy/inform/energy_indicators/index.html
• Energy Consumption in the UK http//www.dti.gov.uk
  /energy/inform/energy_consumption/index. html
• Energy Its Impact on the Environment and
  Society http//www.dti.gov.uk/energy/environment/e
  nergy_impact/index.html