NHS Foundation Trust – WWL

Healthier Planet, Healthier People

Project Overview

About WWL Teaching Hospitals NHS Foundation Trust

Wrightington, Wigan and Leigh Teaching Hospitals NHS Foundation Trust is a major acute trust serving the people of Wigan and Leigh. The trust provides the best possible healthcare for the local population in its surrounding areas.

WWL Trust slogan ‘Healthier planet, healthier people’ perfectly encapsulates the trust ambitions of their Green Plan. CILS is honoured to be helping WWL Trust improve one of their 4 key sustainability ambitions – ‘to deliver a year-on-year decrease in emissions to the atmosphere and impact on the environment’.

  1. High energy consumption and costs. The trust is committed to improving its facilities energy efficiency. Lighting was identified as a major opportunity.
    AcrossNHS Wigan Hospital Trust the sites, lights would be on 24/7, and have no option to dim. There are areas with fluorescent fixtures throughout. Many those are high output T8s that waste over 90% of energy they consume.
  1. The NHS long term plan is to achieve net zero carbon emissions by 2045. All parts of the NHS, including WWL Trust, must take tangible and measurable steps to reduce their carbon footprint.
  1. Loss of equipment. Staff spend average 20 min per shift looking for valuable lost or misplaced equipment. Some is never found. For example, a syringe pump used in chemotherapy costs over £1000 each. In a hospital, dozens may go missing every year.
Project Objective

NHS Wigan Hospital Trust

CILS objective is to help WWL Trust maximise its buildings energy savings, reduce carbon emissions, and help to solve the problem of lost critical equipment.

Our desire is to establish a sound and future-proof infrastructure for all the wireless systems to warrant smooth hospital operations.

We deliver this by supplying and commissioning the lighting and IoT assets ­– and our emphasis is on maximum client satisfaction and minimal disruption to hospital operations.

77% +

additional lighting energy and carbon saved with intelligent controls in Royal Albert Infirmary

Improved wellbeing

Perfect light levels, minimal glare and no flicker create more comfortable environment both for frontline staff and hospital patients

Asset tracking

programme uses Real Time Location Services to prevent loss of valuable hospital equipment

Future-proof building integrations

allow automating other building operations, from asset tracking to smart heating and cooling systems

WWL NHS Trust launched their Green Plan in 2022. It shows the Trust’s clear commitment to local public health outcomes, and to delivering the NHS ambition of achieving net zero carbon emissions by 2045, at the latest.

We’re proud to continue to support WWL NHS Foundation trust by significantly improving their buildings energy efficiency and reducing their lighting carbon emissions.


In Royal Albert infirmary, the intelligent controls savings are 29,600 kWh for just one month.

At 30p/kWh, over a year, this would save the trust £100k on energy bills and remove more than 65 tonnes of CO2 equivalent emissions removed from the atmosphere.

As this is a rolling project, their carbon and cost savings accumulate with each new area completed.

The Enlighted smart controls system constantly optimises the light levels for maximum comfort ­– for both NHS staff and patients.

91% of savings come from regulating based on whether anyone is present, and what tasks the area is used for. 9% of savings come from the system cleverly harvesting available daylight.

Asset Tracking & IoT Benefits

We’re trialling an asset tracking Pilot programme where we tag individual pieces of valuable critical equipment kit with Enlighted tags. Wheelchairs, heart pumps, and other assets can be located using Real Time Location Services (RTLS) that provide accurate indoor location and mapping.

As we connect new areas into Enlighted Internet of Things (IoT) platform, the trust has an opportunity to unlock further smart building solutions.

These include detailed occupancy views, utilisation reports, and integrating other building elements, like heating and cooling, into the intelligent building management system.


CILS has exceptional track record on delivering smart building projects with minimal to no disruption to client operations. In the hospital setting, this was especially crucial.

This makes us stand out. Siemens Enlighted recommended us as supply and commissioning delivery partner for their IoT system implementation at the WWL NHS Trust.

Supply & Commission

Once the hospital trust has carried out the lighting installation, we finetune the lighting, and commission the Enlighted IoT controls system.

After this, we connect each newly refurbished area into the smart building infrastructure.

Our approach on site

In a hospital, lives are on the line 24/7, and emergencies can happen any time. Access times can be very limited. We work around any hospital requirements and our site team priorities the delivery accordingly:

  1. We commission only at specified access hours, be it 4am or 9 pm. Some areas may only have access 2h a week and we plan accordingly.
  2. We plan for the unexpected. There have been times when we’ve packed up everything (cables, tools, etc) in minutes to prioritise staff access in emergency situations.
  3. Communication with staff and the end-user is always at the core of our approach. We deliver quality results in the limited time we have. For that we need to ensure our solution serves individual area staff needs and make sure they are satisfied.
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