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

Business case - Corporate

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

Questions?

Linkso www.nzgbc.org.nz/maino http:/delamping.com/delamping.com_calculator.htmlo www.creativespaces.co.nzo www.eeca.govt.nzo www.rightlight.govt.nzo www.skmconsulting.com