KBS Maritime Ltd · Contracts Finder

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Tender: PV System Design & Installation – Portsmouth Naval Base (Standard, Lightweight & Heritage Solar Slate/Tiles)

Released 8 months ago

Closed16 Apr 2026

Est. valueEstimate£65K to £830K

LocationPortsmouth, United Kingdom

AgencyKBS Maritime Ltd

SourceContracts Finder

CategoryEnergy & Environment

Submissions closedClosed Thu, 16 Apr 2026

About

Portsmouth Naval Base is seeking expressions of interest from suitably qualified and experienced contractors for the design and installation of photovoltaic (PV) systems on numerous buildings across the base. The buildings present a range of structural requirements: some require lightweight solar installations due to a weight limit of <7 kg/m², while others have insulated roof coverings where a non-penetrating mounting system is recommended to prevent damage to the insulation layer. Contractors must demonstrate proven capability delivering PV systems within these constraints and in selecting technologies that ensure structural suitability, durability, and optimal performance. Suppliers will also be invited to join the KBS Maritime Framework for the supply and installation of standard PV, lightweight PV and specialized/heritage solutions such as solar slate and solar tiles.

Insight

This could be ideal for contractors experienced in rooftop PV on constrained structures, lightweight PV systems and non-penetrating mounts, and for suppliers of heritage-style solar slate/tiles. Key considerations include meeting the <7 kg/m² weight limit, avoiding roof penetrations on insulated coverings, and demonstrating proven technology choices for structural suitability and durability.

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