Home

Project Summary

 

Project Name:

 St Mary's School, Dorchester

Size of Installation:

 9.7 kWp

Type of Installation:

 New build rail-mounted installation

Client:

 Spetisbury Construction

Equipment:

 PV Modules: - Sharp NU-S0E3E
Inverters: - Fronius IG 30
Mounting System: - Unirac Solarmount
Display: - Rico GA-330

Predicted Generation:

 6221 kWh per year

Project Summary


A single PV array was installed on the roof of a new two-classroom extension to a primary school in Dorchester, sized to maximise the yield from the roof in an aesthetically pleasing yet technically efficient manner. A public display unit was mounted in the main building reception for pupils, staff and parents alike.

The finished building

Technical Information


The system physical design accounted for shading effects from the known second phase extension, in addition to existing obstacles. The final design comprised 54 no. monocrystalline silicon PV modules by Sharp, alongside several visually identical dummy modules used to fill up the array area. The modules were mounted to the standing seam roof with non-penetrating roof clamps and a twin-rail system, while cable penetrations were placed underneath the modules to eliminate their visual impact.

Social, Economic and Environmental Benefits


The system reduces the carbon footprint of the school by 3.5 tonnes of CO2 per year. The school now generates on site an amount of energy equivalent to 1-2 typical houses, thereby reducing operating costs during term time, and potentially generating revenue during holidays. The highly visible array and public display both contribute to pupil’s awareness of environmental issues, and could be used as teaching aids.

Public display board

Operating plant

Oblique view of the array

OS Reference:

 SY 697 899

Type:

PV Wind Hydro
Other