Kingspan, a global leader in high-performance building envelope systems, has partnered with Zestec Renewable Energy, a wholly owned business within Octopus Energy Generation funds, to deliver a groundbreaking solution for building owners: funded solar roofing for refurbishment projects. This innovative approach combines roof renovation with integrated solar PV technology, enabling owners to future-proof their assets without the burden of significant upfront capital expenditure.
Ageing roofs often prevent building owners from capitalising on the benefits of solar. This new combined offering addresses this challenge head-on by integrating roof refurbishment with renewable energy generation. Using PowerPanel, owners can replace or overclad existing roofs with FM-approved insulated panels that incorporate advanced photovoltaic technology. These systems deliver exceptional thermal performance, fire safety, and energy output, up to 475 Wp per module, while enhancing the building’s aesthetics and market appeal.
Kingspan’s technical excellence underpins the solution. QuadCore® insulation technology delivers U-values as low as 0.11 W/m²·K, improving thermal efficiency and compliance with evolving regulations. PowerPanel is tested to FM 4478 standards, confirming resilience against fire, wind uplift, hail, and structural loads.
For projects where over-cladding is the preferred route, Kingspan also offers the Elite Refresh Roof System, designed to work seamlessly with solar PV installations. This system maintains coating warranties, meets stringent fire classifications, and provides a lightweight, durable solution for extending roof life while enabling renewable energy generation.
At the heart of this solution is a flexible Power Purchase Agreement (PPA) model. Under this model, Zestec funds 100% of the solar PV installation, along with a significant proportion of any roof upgrades aligned to the overall project investment, often covering the entire project value. Where total project costs exceed the maximum investment criteria, the building owner contributes the remaining balance, creating a pragmatic partnership that unlocks both renewable generation and critical building upgrades.
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