Paul Manley - Cardiff Metropolitan University

Successful Metering,
Monitoring & Targeting

About Us
• 9000 students & 1000 staff (FTEs)
• 49 buildings over 4 sites
• £776,000 electricity
• £340,000 gas
• £190,000 water

5-year Plan on track
to save £1M and
provide a lasting
culture change

Tonnes
CO 2 Emissions
5,000
CO2 Emissions arising from electricity
CO2 Emissions arising from fossil fuels
4,000
3,000
2,000
1,000
0
2001-02 2002-03 2003-04 2004-05 2005-06 2006-2007 2007-08
Year

Degree Days/Tonnes CO2
CO 2 Emissions Fossil Fuels
v. Degree Days
5,000
Degree Days
CO2 Emissions arising from fossil fuels
4,000
3,000
2,000
1,000
0
2001-02 2002-03 2003-04 2004-05 2005-06 2006-07 2007-08
Year

The Challenge
“We will reduce our greenhouse gas emissions by 3% a
year by 2011 in those areas where we have devolved
competence.”
How can you affordably deliver a 3% per annum
reduction in utility consumption over a 5-year period?

The
Options
Source: Carbon Trust

Strategy
“To develop a robust management system that can
engage with all stakeholders by utilising the energy
monitoring & reporting infrastructure to continually
improve carbon reduction performance against
targets.”
And to implement carefully selected energy
efficiency projects.

Timeline
Pilot
aM&T
Install
Complete
aM&T
Install
Rollout
Period
UWIC/ RUMM
Partnership
Carbon
Trust
HECM2
5-year
Plan
approved
3% pa
reduction
targets
2005
2006
2007 2008
2009 2013

Metering Infrastructure
• Total of 350 mainly submeters
• 200 connected to aM&T
system via data network
• Data collected on our
server and exported to
partner company for
web visualisation

aM & T Costs
Ring fenced funding from Welsh Government
for upgrading sub-metering infrastructure and
installing AMR
• Phase 1 (pilot study) £42k
• Phase 2 (completion) £248K
• Service agreement
£50-60k pa

Technical Projects
£310k of Salix and self-funded projects
including:
• Energy efficient lighting and controls
• Voltage optimisation
• Replacement boilers
• Expansion of BEMS

Year 3 Results
The following reductions in consumption
were achieved during our last financial year:
Electricity 12%
Gas 5%
Water 18%

Financial Savings (£) for electricity, gas and water
CUSUM
Cumulative monthly utility savings (£) using Aug 07-July 08 consumption as a
benchmark Excluding CCL + Tax
400000
350000
300000
250000
200000
150000
100000
50000
0
-50000
Aug-08
Sep-08
Oct-08
Total Savings
Nov-08
Dec-08
Jan-09
Feb-09
Mar-09
Apr-09
May-09
Jun-09
Jul-09
Aug-09
Sep-09
Oct-09
Nov-09
Dec-09
Jan-10
Feb-10
Mar-10
Apr-10
May-10
Jun-10
Jul-10
Aug-10
Sep-10
Oct-10
Nov-10
Dec-10
Jan-11
Feb-11
Mar-11
Apr-11
May-11
Jun-11
Jul-11
Aug-11
Sep-11
Oct-11
Nov-11

Financial Savings (£) for electricity, gas and water
CUSUM
Cumulative monthly utility savings (£) using Aug 07-July 08 consumption as a
benchmark Excluding CCL + Tax
400000
350000
300000
250000
200000
150000
100000
50000
0
-50000
Aug-08
Sep-08
Oct-08
Total Savings from Technical Projects
Total Savings
Nov-08
Dec-08
Jan-09
Feb-09
Mar-09
Apr-09
May-09
Jun-09
Jul-09
Aug-09
Sep-09
Oct-09
Nov-09
Dec-09
Jan-10
Feb-10
Mar-10
Apr-10
May-10
Jun-10
Jul-10
Aug-10
Sep-10
Oct-10
Nov-10
Dec-10
Jan-11
Feb-11
Mar-11
Apr-11
May-11
Jun-11
Jul-11
Aug-11
Sep-11
Oct-11
Nov-11

Financial Savings (£) for electricity, gas and water
CUSUM
Cumulative monthly utility savings (£) using Aug 07-July 08 consumption as a
benchmark Excluding CCL + Tax
400000
350000
300000
250000
200000
150000
100000
50000
0
-50000
Aug-08
Sep-08
Oct-08
Total Savings Exc. Technical
Total Savings from Technical Projects
Total Savings
Nov-08
Dec-08
Jan-09
Feb-09
Mar-09
Apr-09
May-09
Jun-09
Jul-09
Aug-09
Sep-09
Oct-09
Nov-09
Dec-09
Jan-10
Feb-10
Mar-10
Apr-10
May-10
Jun-10
Jul-10
Aug-10
Sep-10
Oct-10
Nov-10
Dec-10
Jan-11
Feb-11
Mar-11
Apr-11
May-11
Jun-11
Jul-11
Aug-11
Sep-11
Oct-11
Nov-11

What Have I Learnt?
• It is tough........but persistence pays off
• aM & T is more cost effective than
technical projects
• Numbers and regular feedback engages
people
• You will not suceed on your own

What Next?
• Maintain behavioural change
• More technical projects including A/C
controls case study
• Apply proven renewable technologies
where appropriate