Case Study // Project Overview

Sashless Windows

Established in 1965 In Northallerton North Yorkshire, Sashless is a family owned bespoke window manufacturer producing high quality timber windows for a low price.


With over 50 years of manufacturing the company has grown in size and output and is now producing statement piece front doors, external rear door sets and bi-folding doors. With all this going alongside the windows the fleet of substantial machinery needed requires a large amount of power to run.

The property consists of a main steel roofed warehouse containing all of the heavy duty manufacturing equipment and a secondary warehouse attached for storage of materials. This meant there was a large enough surface area across both buildings roofs to design and install a significant Solar PV system.

Challenges

This particular Solar installation project stood out for its efficiency and lack of challenges, thanks to optimal site conditions and a well-coordinated team effort. The system was carefully designed to fit the specifications of the property and its needs, ensuring that every component and step of the installation aligned with the project requirements.

The roof itself was perfectly suited for a Solar installation, offering a large and unshaded space with a robust foundation meant it required no reinforcement or changes with ample space on-site for deliveries and storage, materials were efficiently organized and easily accessible. As well as space for our tele handler to move around the side of the building, providing quick access to tools and materials directly to the roof.

While there were skylights on the roof, we took extra caution as usual covering them with Heras fencing and operating with harnesses when working near them.

KEY STATS

  • PV system size: 133.28kWp

  • Number of panels: 220

  • Annual kWh generation: 110.12MWh

The Results

This 220 panel system is estimated over its lifetime to produce savings of nearly £1,500,000.

The Solar PV system will achieve an impressive self-consumption rate of 98.23%, significantly reducing reliance on external energy sources.

With a payback period of less than three years, the project proved highly cost-effective for the client and will generate an annual yield of 110.12 MWh, thanks to its 133.28 kWp capacity. These results highlight the financial viability and environmental benefits of the Solar energy solution.

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