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Key Considerations for PV installations for London Federation of Housing Coops 10. November 2012

This comprehensive guide provides insights into the specialized solar photovoltaic installations for housing cooperatives in London. With a focus on planning, installation, commissioning, and operations and maintenance, this resource outlines essential factors to consider for successful solar projects. From addressing asbestos roofs to navigating intricate structures, the guide offers valuable information for coop buildings, ensuring compliance with health and safety regulations and maximizing energy production efficiency. Explore key aspects such as load-bearing capacities, grid connection strategies, and FIT application dates, tailored specifically for cooperative setups. Learn about maintenance tips, inverter failures, generation display synchronization, and G59 unit considerations to optimize the performance and longevity of solar panels in coop environments.

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Key Considerations for PV installations for London Federation of Housing Coops 10. November 2012

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  1. Key Considerations for PV installations for London Federation of Housing Coops 10. November 2012 104 London Street, Reading, RG1 4SJ

  2. Contents • Company Background • References / Past Projects • Considerations for Coop’s 2

  3. 1.1 Company Background • Specialised solar photovoltaic (PV) installer and project developer based in north Germany, with subsequently opened international branches • Incorporated in 1996 in Germany, followed by Canada and more recently the UK and Denmark • 125 people at our head office in Germany • Completed ~ 1,500 solar installations worldwide (totalling approximately 63MWp)

  4. 1.2 S.A.T. UK • UK branch incorporated in early 2011 in Reading, Berkshire • Focused team effort to address public and council tenders with focus on larger roof areas • Latest addition is communal and larger solar park efforts on • Recently completed several projects in UK: • 30kWp Coop in Reading • 12 kWp, 10kWp Schools in Wokingham and Winnersh • 228kWp, Council building in Huntingdon 4

  5. 2.1 Asbestos Roof – Orts Road • 29.6kWp system mounted on tilted roofs • Substantial asbestos-handling experience • Housing estate in Reading • Site works duration about 12 days 5

  6. 2.2 Flat Roof – Bulmershe & Forest Schools • Forest installed capacity – 11.97kWp • Bulmershe installed capacity – 10.26kWp • Significant H&S considerations – site works only on weekends to prevent danger to children • Project commissioned by Wokingham Borough Council 6

  7. 2.3 Industrial Unit – Eastfield House • Installation size about 228kWp consisting of over 1000 x 195Wp Mono modules • Schueco mounting used for mildly pitched roof • Huntingdonshire District Council system owner • Physical installation spanning about 2 weeks 7

  8. 3.0 Considerations for Coops • What are the key considerations for a coop? • Planning • Installation • Commissioning • Operation & Maintenance 8

  9. 3.1 Planning • Full roof • 372+384=756 panels 9

  10. 3.1 Planning • Roof each edge minimum off 1m • 372+384-28x2-13x2=654 panels 10

  11. 3.2 Installation • Coop buildings tend to be older • May have intricate structures on flat roofs & may contain asbestos • Several connection points • Full technical assessment for load bearing capacities • H&S regulations during installation crucial • Wind and snow load calculation • Grid connection and metering strategy (for larger coops) + FIT Application date • Installation size and FIT banding 11

  12. 3.3 Operation & Maintenance • Solar panels require little maintenance • If there are issues they arise mostly in the first year • Examples are: • inverter failure • generation display synchronisation • G59 Unit in case of installations larger than 50 kWp • Routine checks like comparison of predicted vs real production 12

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