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Case Study
Place D’Alleray 

Visiting one of London's most iconic buildings, also known as "The Walkie-Talkie," on its Green Team Meeting day was a truly insightful experience. It was exciting to see property managers, tenants, and businesses all in one place, sharing their energy-saving wins through the Go Dark Project and other green efforts.

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January 2017 - December 2017

Location: Paris, France

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1 year achievements

1st Place

Winner

57.4%

Energy savings

2,563,863 kWh

total savings

Building characteristics

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17,744 m2

total area 

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1987

construction completed

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1,000

occupants 

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Electric heating and domestic hot water, air conditioning

Building system

No environmental in use, No energy manager

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Car park spaces - 300

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Restaurants - 1,845 m2

Top actions

Management and behaviour

  • Held 3 informational “energy breakfasts” to talk about the competition, raise awareness among occupants and explain why it was taking place

  • Displayed information monthly about air conditioning use, lift use, and mid-season behaviour (e.g. wear jumpers if it is cold)

  • Put up behavioural nudge posters (e.g. why lower the temperature?)

  • Promoted talking to occupants before changing any of the settings, getting them to change behaviour before settings

Minor technical and re-programming

  • Knowledge transfer of settings that worked well for one of Orange’s sites and were then adopted by remaining sites

  • Switched off the heaters in unoccupied rooms (this was done manually)

  • Optimised building program timers by narrowing on/off time frames based on occupation, reducing district heating consumption.

  • Revised thermal insulation of equipment

  • Optimised cold air inflow and adjusted it for forecasted weather (e.g. temperature increased during heatwave)

  • Installed timers on extractors fans in sanitary facilities

  • Readjusted BMS set points to lower the 21° threshold by 2°C

  • Reprogrammed the BMS lighting using hourly settings.

  • Lighting: installed brightness sensors, adjusting according to the brightness

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Don't just take it from us

What RO say

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"CUBE provides a unique opportunity for us to collaborate with our tenants as we continue our journey to a more sustainable future. As a landlord, engagement with our tenants is paramount, and improving energy efficiency across our buildings is a key priority for us. CUBE is a first for the real estate sector and the competition comes at an important time"

- Edward Rowlandson, Group Managing Director, the RO

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