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In 2009, we continued to implement our global energy-metering project to reduce energy use at key sites by around 10-15%. We are investing £600,000 to install meters in our top 100 strategic locations, representing 40% of our property portfolio by floor space. These are large sites with long leases, meaning that we can invest in facilities. Meters will also be installed when we refurbish buildings or acquire new sites.

Despite challenges with landlords, utilities suppliers and unions we have now installed meters at 55 sites. Detailed energy, carbon and cost reports are produced for these sites each month and monitored centrally. This will help us determine the most efficient and cost-effective ways of achieving energy savings.

These may include:

  • Fitting timer switches to ensure lights are not left on overnight.
  • Adding movement and daylight sensors to ensure lights are only on when needed.
  • Installing energy-efficient lamps.
  • Fitting flow restrictors to hot water taps and upgrading boiler controls.
  • Fitting movement sensors to turn off equipment such as printers and copiers when offices are unoccupied.
  • Improving temperature controls on heating, ventilation and air-conditioning systems.
  • Installing building management systems that monitor and control ventilation and lighting.

Improved metering also ensures that we are

being charged accurately by our energy suppliers. The meters have already enabled us to identify overcharging at three sites which will save us around $260,000 each year.

Low-energy light fittings

In 2008, we identified preferred suppliers in all regions, which our operating companies can use to buy and install low-energy light fittings. In 2009 we continued with our installation program for low-energy fittings which has resulted in a 5-10% reduction in energy consumption at the completed locations. We aim to complete installation in 80% of our buildings by the end of 2011.

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