Business case for energy efficiency Alastair Brookes.
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Transcript of Business case for energy efficiency Alastair Brookes.
Introduction
Today
Business case for energy efficiency
Practical energy efficiency measures
SKM
Global engineering and project delivery firm
NZ 300 staff in 3 offices
SBN Northern international trailblazer winner
Business case
Sustainability as a strategic drivero Business differentiatoro Infrastructure impact on clients
and societyo Reputation & public imageo Staff recruitment and motivation
“Create an enduring impact on the world”
Support at highest levelo CEO announced reduction of 30%
carbon emission per FTE in 3 years
Energy efficiency responsibility
Regional Manager o Carbon target - measure, measure, measure
Environment Committeeo 15 staff over 3 officeso Quarterly meetingo Energy efficiency just part of remito Lots of skills in-house
Office manager
Budgeto Timeo BEEP
NZ Wide
Energy monitoring and reportingo Measure, measure, measureo Hit the target!o Everyone aware
Procuremento Low energy applianceso Fuel - tariffo Vehicleso Suppliers with similar goals
Operationso On demand double side printing, instant water heaters
Horses for courses
Right tools for right job!
Expert advice or internal resources
Time and place
Tune up – or move out?
Tenant or owner
Auckland Office
New office - fit out
Air conditioning systemo Comfort and efficiency targets o Local a/c controls (meeting rooms etc)
Lighting systemo Comfort and efficiency targets based on light levels o Movement sensorso Local area controls o Bulbs
Sub-metering
Wellington
Moved office
Lighting system fit out
ASHP and air conditioning unit on roof
Additional controls
Christchurch
Tune – up
Flow restrictors on hot taps/ showers
Hot water cylinder insulation
De-lamping and lower energy lighting
Behaviour change
Implementing BEEPo List of initiativeso Outlay costo Savings
Results
2007/08 2008/9 2009/10 -
500,000
1,000,000
1,500,000
2,000,000
2,500,000
SKM annual office energy use
Electricity Gas
kW
h p
er
ye
ar
2,171,273 2,251,543
1,079,130
Lessons learnt
Not all initiatives economic
Behaviour change o Old dogs, new trickso New technologies, new habitso Not everyone will buy-in
Don’t upset the workers
Energy needs change
People are lazy!
Conclusions
Management buy-in
Measure, audit & target
Use enthusiastic volunteers
Get expert advice for big decisions
Carry on looking for reductions