Case Study

Cottingham Hospital-5MW

5MW ground-mount solar project featuring south-facing and east-west mounting systems engineered for site-specific ground conditions.

Location
Cottingham
Project Size
5MW
Frame Specification for Cottingham Hospital-5MW
Frame SpecificationDescription
Panel Configuration4 in Landscape South-Facing & 8 in Landscape East-West
Tilt AngleProject-specific
Mounting SystemHTR System 4.1 / East-West arrangement
Foundation TypeDriven Pile
Site/Ground ConditionRelatively flat site; boggy ground conditions were encountered during the east-west installation
Warranty25 years standard; extended warranty subject to material selection, testing & T&Cs
Design StandardsBS EN 1990, BS EN 1991 & BS EN 1993, including BS EN 1993-1-3 and BS EN 1993-1-8, with UK NAs where applicable
Manufacturing StandardsBS EN 1090-1:2009+A1:2011
Overview

About This System

At Cottingham NHS Hospital, our team was commissioned from the outset to design, test and manufacture the ground-mounted solar mounting systems for this 5 MW solar project, working with Boston Renewables for the NHS University Trust. Our mounting systems were developed around the site’s ground conditions and terrain, using driven pile foundations. 

The project combined two different solar mounting configurations across the site: our HTR System 4.1 – 4 in landscape for the conventional south-facing solar field, alongside an 8 in landscape east-west system. Together, the two solar fields provide a combined project capacity of 5MW.

Although much of the site was relatively flat, boggy ground conditions were encountered during the east-west installation. Our approach was therefore focused on providing mounting systems suited to the actual site conditions while remaining practical for manufacture and installation.

For us, this project is a strong example of how we can provide project-specific ground-mounted solar solutions rather than relying on a single mounting configuration. By bringing together our solar mounting system design, testing and manufacturing capabilities, we were able to support two different PV layouts within the same project and respond to the ground conditions and terrain from the outset.

The Site

Key Engineering Challenges

  • Two solar mounting configurations – Our team needed to develop mounting solutions for both a conventional south-facing 4 in landscape system and an 8 in landscape east-west system within the same 5 MW project. 

  • Site-specific ground conditions – From the outset, our ground-mounted solar systems had to be designed, tested and manufactured to suit the site's particular ground conditions and terrain. 

  • Boggy ground conditions – Although the site was relatively flat, boggy conditions were encountered during the east-west installation, creating an additional site challenge. 

  • Driven pile foundation design – Both mounting configurations used driven pile foundations, requiring the mounting solution to work with the project-specific ground and terrain conditions.

Project Type

Ground Mounting

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