Solar power helps cut electricity bills and reduce fuel povertyJune 21, 2004A University of Southampton research project involving rooftop solar photovoltaic panels on housing association properties has helped tenants reduce their bills and learn more about sustainable energy. The new houses in Kyoto Walk and Kyoto Terrace in Havant, have been designed and built by the Hermitage Housing Association, following an initiative by Havant Borough Council, to be as energy-efficient as possible. The Sustainable Energy Group at the University's School of Civil Engineering and the Environment gained funding for the electricity generating system through the DTI's Domestic Field Trial for Photovoltaics initiative (DFT2). The scheme has won an EcoHomes assessment rating of 'Excellent' and will be monitored to evaluate its success and develop the concept further. Dr AbuBakr Bahaj of the Sustainable Energy Research Group devised the photovoltaic systems for the nine houses. Electricity for the properties was generated in daylight hours by the rooftop panels and power was obtained from the National Grid when required. Results revealed that if 80 per cent of solar-generated electricity was used within the home, annual savings of £132 could be achieved. Indirect benefits of the photovoltaic system included tenants' increased awareness of renewable energy, energy efficiency and the advisability of using high-demand appliances such as washing machines and dishwashers at the peak of the solar day instead of during the evening. Dr Bahaj said, 'Tenants are often unaware of the huge differences in electricity consumption between appliances and the way they can reduce electricity demand by managing appliance usage.
Colleague Dr Patrick James added, 'It has been very instructive to work with the tenants to try and understand their energy usage profiles. The study has highlighted the importance of providing clear and concise information concerning both electricity usage and photovoltaic technology. In this way, the generation of electricity by photovoltaics can lead to further energy savings from a better appreciation of energy usage as a whole.' Havant BC Home Energy Conservation Officer, Paul Hemming, said, 'We want this project to show the way forward, not to be a one-off, money-no-object showcase. It will demonstrate how new homes can be developed according to principles of sustainability, encourage this practice in future housing developments, and raise awareness of what can be achieved through a more thoughtful approach to how we construct and occupy our buildings.' Hermitage Housing Association Development Project Manager John Fifield commented, 'We were pleased to promote and develop in practical ways all forms of energy saving devices in our properties. This partnership with the University and Havant Borough Council has been particularly beneficial in raising awareness of the issues and informing our tenants.' | |||||||||||||||||||||
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