The IET Innovation Awards 2015 (image)

18 November 2015 | The Brewery, London, UK


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Built Environment


Built Environment Award Winner 2015

Built Environment 2015 winners (photo)

Audible noise assessment of high-temperature low-sag ACCR conductor
National Grid Electricity Transmission, The University of Manchester and 3M

High-temperature low-sag (HTLS) overhead line conductors enable higher power transfer from existing overhead line routes, allowing National Grid to utilise existing high voltage transmission infrastructure more efficiently.

Built Environment shortlist (image)
The Aluminium Conductor Composite Reinforced (ACCR) conductor achieves this whilst addressing electrical discharge and audible noise challenges associated with some types of HTLS conductor.


The judging panel commented:

"The judges were impressed with the level of research underpinning the innovation and how it has been used to produce a commercially viable high voltage transmission cable with reduced environmental noise.

"With increasing urbanisation and decarbonisation of the grid the potential benefits to communities were considered significant both in terms of human factors and possible disruption resulting from the need to upgrade pylons to carry larger capacity cables."



Also shortlisted:

Compact, efficient, wireless battery

Smart buildings of the future will be equipped with hundreds or maybe even thousands of wireless sensors. These sensors cannot be powered by cables or batteries due to the costs and environmental issues involved.

The wireless battery will enable powering from a distance using radio waves. The work is partially carried out under the BENEFIC project (CA505), a project labelled within the framework of CATRENE, the EUREKA cluster for Application and Technology Research in Europe on NanoElectronics.

Holst Centre / imec and Eindhoven University of technology

Built Environment shortlist (image)  

Transformer heat recovery and thermal efficiency trials

National Grid has installed innovative heat recovery systems in three substations, utilising waste heat, a by-product from electricity transformers, to provide heat and hot water to adjacent buildings.

This non-invasive, sustainable method of harnessing energy reduces substation demand for Low Voltage electricity supplies, supporting local communities and the environment.

National Grid Electricity Transmission and Rook Services

Built Environment shortlist (image)  

PFT – non-intrusive oil filled cable leak location

Employing Perfluorocarbon Tracing for leak location on underground transmission cables has enabled National Grid and electricity utilities to substantially reduce fluid volumes lost to the environment, the road works associated with cable leaks and the resulting impact on road users.

It has also reduced circuit outage times and repair costs.

National Grid Electricity Transmission and PFT Technology

Built Environment shortlist (image)  

Halcyon intelligent wireless lighting system

halcyon™ is the only intelligent wireless lighting system that has been optimised for your biology to deliver the right light at the right time.

halcyon™ emulates changing daylight for health, wellbeing, productivity and improved sleep. halcyonTM also offers automated energy saving benefits through wireless lighting control.

PhotonStar LED Ltd

Built Environment shortlist (image)  


Built Environment information



Category scope

This category is open to all entries that demonstrate engineering, scientific and technological innovation in the built environment.

Entries are encouraged that relate to any aspect of the built environment including design proposals, system improvements or developments, installation methods, innovative use of new materials, product innovation, operation and maintenance of systems and equipment or components and all aspects relating to the built environment.

Entries can range from research concepts and ideas to technical issues and industrial applications, and are encouraged from, but not limited to, the themes and topics in the following areas:


Intelligent and green buildings

  • Environmental management systems and energy efficiency
  • Sustainable energy
  • Systems integration
  • Embedded sensor technology
  • Combined heat and power (CHP)


Specialised systems

  • ICT systems in buildings
  • Security and fire systems
  • Vertical and horizontal transportation
  • Care and well-being support systems
  • Infrastructure communications and computing systems


Building electrical distribution

  • Standby generation and UPS
  • Lighting, emergency lighting, and lighting protection
  • Power systems for buildings
  • Earthing and bonding
  • Testing and commissioning
  • Health and safety
  • Power over internet
  • LVDC


Building management and control

  • Access and security control
  • Systems installation, commissioning & testing
  • Cable management and electrical safety