Energy Saving Lighting Case Study – Knauf Insulation St Helens Plant

Over 20% of the lighting faulty

Nearly 90% of the Lighting units 15 years old +

High Failure rates

High Maintenance costs for Lamp/Ballast Replacement

Restricted Access to Lighting units due to Plant Machinery

Insufficient Light Levels with Poor Uniformity

Depreciated Light Lux levels from 20lux – 250 lux

High Energy Usage

2,868,175 kWhrs on Lighting per Annum

No Lighting Control

Design and install an LED lighting system for the entire site

Reduce the Lighting Energy Consumption by 50%

Minimize the maintenance requirements for years to come

Increase Light Levels with enhanced Lighting Uniformity

Introduce a Consistent Cool White Led colour spectrum

Utilise Daylight Harvesting in Main Production Area

Presence Detection in Warehouses

Photocells to all External Lighting

Increased current Lux Levels by 100-400 Lux (area dependant)

An LED lighting system for the entire site

1,599 LED luminaries have been installed

Project duration 6 weeks

Lighting Energy Consumption reduced by 65.44%

1,877,088kWhrs saved P.A – 9,385,440kWhrs saved over 5 years

All products are a minimum L80 50,000hrs compliant

Increase Light Levels with enhanced Lighting Uniformity

Lighting automation using presence and daylight harvesting

Zonal Presence Detection in Warehouses

Photocells to all External Lighting

Increased current Lux Levels internal and external