1. Cutting the Corporate Energy Bill 20 th November, 2013 Marginal gains and why they matter David Collier, Energy and Sustainability Manager

2. Marginal gains and why they matter Agenda What do we mean by Marginal Gains?What do we mean by Marginal Gains? How significant are Marginal Gains?How significant are Marginal Gains? How Broadgate Estates deliver savingsHow Broadgate Estates deliver savings Why those savings are good for businessWhy those savings are good for business

3. Marginal gains and why they matter What do we mean by marginal gains?

4. Marginal gains and why they matter Who says what about Marginal Gains? Electrical Safety Council http://www.esc.org.uk/public/guides-and-advice/energy-saving-tips DECC - Chief Scientific Advisor http://www.bbc.co.uk/news/uk-scotland-12062139 Energy Saving Trust http://www.energysavingtrust.org.uk/Take-action/Energy-saving-top-tips

5. Marginal gains and why they matter How marginal is marginal?

6. Marginal gains and why they matter How significant are marginal gains Existing emissions Reduce demand Improve efficiency Reduce emissions in energy supply Existing emissions Reduce demand Improve efficiency Reduce emissions in energy supply

7. Marginal gains and why they matter And why are they good for people The cars of the rich are now rivalling the bellies of the poor for corn, cane and edible oils

8. Marginal gains and why they matter Where do we start? Adopt a tried and tested energy management process Obtain high level management buy in Introduce an organisation structure to support sustainability - look at www.betterbuildingspartnership.co.uk Ensure reliable consumption data is available o Monthly bills shows you what you are using o Half hourly data shows you when you are using o Sub-meters show where you are using it Establish accurate baseline data

9. Marginal gains and why they matter Reducing occupier consumption Directly responsible for 2/3 building consumption Engage with building occupiers Introduce organisation structure and appoint sustainability champions Develop joint initiatives Turn lighting and small power devices off when not in use Communicate progress

10. Marginal gains and why they matter Reducing landlord consumption Acquire the skills of an building services expert Optimise the Building Management System (BMS) : o Increase dead bands o Use consistent temperature set points o Keep plant run times to a minimum Install occupancy sensor lighting controls on stairwells etc. Check actual out of office hours behaviour

11. Marginal gains and why they matter Improving efficiency Fit energy efficient lighting Explore voltage optimisation Ensure effective use of variable speed drives Make IT servers more efficient Embed life cycle costs and energy efficiency into procurement process

12. Marginal gains and why they matter Spotting opportunities

13. Marginal gains and why they matter Spotting opportunities

14. Marginal gains and why they matter Using less on a Saturday

15. Marginal gains and why they matter Savings from marginal gains

16. Marginal gains and why they matter Economic and environmental benefits Exchange House cut landlord-influenced energy use by 24% in three years, saving 4,500 tonnes of CO 2 and reducing occupiers’ energy bills by £378,000 York House reduced annual landlord influenced energy consumption by 38% after installing an advanced energy metering system

17. Marginal gains and why they matter Other Drivers Increasing interest from occupiers: - Rising energy costs - CRC, Mandatory Carbon Reporting... Increasing interest from Landlords: - Increasing visibility of performance - Protecting asset value

18. Marginal gains and why they matter