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BedZED solar power generation
Beddington, Wallington, Surrey, UK
associated engineer
Ellis & Moore
date  May 2000 - December 2001
era  Modern  |  category  Power Generation  |  reference  TQ283664
BedZED (Beddington Zero Energy Development) is a brownfield housing development in outer London — the UK's first, and largest, carbon neutral community. Power to run the residents' electric cars is generated by solar panels mounted on the buildings.
BedZED is a Peabody Trust mixed tenure scheme that provides 82 residences and 1,600 sq m of commercial space. The land was purchased (at a discount) from the London Borough of Sutton. Arup provided the energy engineering and Ellis & Moore the structural engineering for the buildings.
An array of photovoltaic (PV) solar panels sited on south facing façades and roofs generates a peak 107kW of electricity. This is enough to power 40 electric cars, and represented some 16 percent of the development’s energy requirement in 2008.
The costs of setting up a PV system compare well with the costs of running petrol-fuelled cars. With EU and UK grants contributing up to 50 percent of the outlay, in 2002 it was estimated that the pay back period would be six or seven years (and petrol is more expensive now). The running cost of a PV car is just one penny per kilometre.
An additional incentive for residents is that if they use the electric pool cars, the parking and battery charging is free. Each electric car used is equivalent to removing five petrol cars from the roads.
Among other awards, BedZED won the 2002 Solar Construction Award from the European Association for Renewable Energies (EUROSOLAR).
Architect: Bill Dunster Architects
Photovoltaic supply: BP Solar
Environmental consultant: BioRegional Development Group
Research: ECPK
“BedZED” by Chris Twinn, in The Arup Journal, 1/2003, pp10-16
document in PDF available on www.arup.com

BedZED solar power generation