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Client
Turners (Soham) Ltd recognises that it has an environmental responsibility in all activities to ensure that sustainability and the environment are taken into consideration as it operates its business. In their drive to reduce CO2 emissions, Watt Energy Saver helped to identify a Solar Solution to best meet their needs.

System Overview
The Solar Array consists of 1,808 No. 320W panels connected to state of the art optimised Solar Edge inverters.  The 3,047m² of active PV will generate 528,602 kWh per year.

Furthermore, the system benefits from :
  • Arc Fault Detection
  • Emergency DC isolation (DC Isolation at point of entry)
  • Remote Monitoring (panel level)
  • Connection to the Fire Alarm System
  • Fireman's Switch

Benefits
The cold store load is 24/7.  With the peak demand occuring in the middle of the day and the maximum demand taking place when it is hot, the PV array is perfectly matched to reduce the reliance on grid electricity. 
System Type
Solar PV
System Size
578.56 kWp
Annual Output
528,602 kWh
Annual CO2 Reduction
<274,344 kg/year


"Whilst the site has a substantial annual demand, UKPN were only able to permit a 200kW export capacity.

The Watt Energy Saver design team worked with Turners and their incumbent consultants FJB to analyse the historic data and confirm the proposed array would not export more than 200kWp.  Due to the complexities of the site and the 24-7 essential nature of the operation, we were unable to install the monitoring at source.  Instead, we identified a more localised transformer which had both the capacity for the PV but also the ability to be isolated for a 2-hour window to allow the final connections to take place.

We installed the G100 export limitation at this point, configured to 200kW.

The system sits on the SolarEdge monitoring portal allowing dynamic module-level monitoring of the array, as well as the sites, demand.

To supplement this, Watt Energy Saver also installed a Soccomec meter to allow the PV array to be incorporated into the existing sitewide SCADA metering portal.

Due to the essential nature of the business operation, it was imperative that the safest most efficient system was installed.  Watt Energy Saver, therefore, connected the array to the sites fire alarm system which shuts down generation upon activation.

We also installed remote safety knock off switches to allow manual isolation of the array. 

In total, the array is calculated to deliver 528,602 kWh/annum, accounting for approximately 25% of the buildings demand.​
"

Craig Edmonds, Director at Watt Energy Saver
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Watt Energy Saver
Renewable Energy and Specialist Energy Engineers
Centre of Renewable Energy, East Drayton, Nottinghamshire, DN22 0LG
Tel: 0845 475 7710
Email: Support@WattEnergySaver.co.uk
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