City Hall PV Installation Update

City Hall PV Installation Frequently Asked QuestionsCity Hall, home to the Mayor and the Greater London Authority (GLA), is one of the Capital’s landmark buildings located at the heart of the City. The renewable energy installation at City Hall tested the planning system and demonstrated the feasibility of retrofitting existing iconic buildings. The project demonstrates the use of a combination of bespoke photovoltaic technology comprising of photovoltaic roof panels fitting the round shape of the building roof and glass-glass laminated panels replacing the existing shading device whilst suiting the needs of a unique building design.

The Project was implemented in two phases by the LCCA with Phase 1 completed in August 2007 and Phase 2 completed in October 2007. The project was officially opened by Nicky Gavron, Deputy Mayor of London, Philip Selwood, Chief Executive of the Energy Saving Trust and Allan Jones MBE, Chief Executive Officer of the London Climate Change Agency on 21 February 2008. See news release under Briefing and News Releases

The systems performance is displayed in City Hall’s reception, London’s Living Room and on the LCCA website.
The total installed capacity is 67kWp from an active cell area of 417m2. Based on initial assumptions, it is expected that the PV energy system will generate about 50,000 kWh per year and save over 28,000kg of CO2 emissions per year.

The two elements are:

The domed roof: 617 high efficiency bespoke photovoltaic modules. Each module containing 36 mono-crystalline E-Ton cells (22,212 in total), and is clamped to a lightweight aluminium support structure which is fixed to the corrugated roof sheet under the insulation and waterproof roof membrane. The total installed capacity on the domed roof is 52.4kWp;
The eyelash shading: 46 bespoke integrated glass-glass laminated panels with 5,872 mono-crystalline E-Ton cells into the existing shading systems utilising brackets and supports, with a total installed capacity of 14.6kWp.

"The completion of the installation of Photovoltaic cells on the roof of City Hall finishes the building as originally designed. This would not have been possible without the direct help and support that we have enjoyed from the Mayor and the GLA, planners at Southwark, the LCCA and our clients at More London. The installation is the most apparent and physical manifestation of the building's sustainable design agenda. We totally support the Mayor in his goals and we hope that City Hall will act as an inspiration to others designing sustainable buildings in our capital." – Grant Brooker, Executive Director, Foster+Partners

Downloadble PDF of the story behind the installation of the PV panels on City Hall

City Hall PV Installation Story

City Hall PV Installation Story Frequently Asked Questions

Follow this link to to view details of the City Hall photovotaic system outputs.

http://www.sunnyportal.com/Templates/PublicPageOverview.aspx?plant=00cddb27-1baf-4d19-9cdb-b54e4f184056&splang=

London's City Hall has been granted planning permission to install state-of-the art photovoltaic solar panels generating non-polluting energy.

City Hall PV Installation Week 1

City Hall PV Installation Week 2

City Hall PV Installation Week 3

City Hall PV Installation Week 4

City Hall PV Installation Week 5

City Hall PV Installation Week 7