Abstract
The first-ever legally binding global climate deal that will be adopted by 195 countries was introduced in Paris in 2015, highlighting that climate change is being recognised as a real and urgent global problem. Legislative interventions need to be accompanied by significant action across all sectors of the built environment through reducing energy demand, providing energy supply from low carbon sources and combining with this with energy storage to enable necessary targets to be met. Retrofitting existing buildings is critical to making these cuts as 80% of buildings currently in existence will still be present in 2050. These retrofits need to be undertaken rapidly using replicable and affordable solutions that benefit both the householder whilst significantly reducing emissions. This paper will present an evaluation of a £9.6 million regional scale retrofit programme funded under the Welsh Governments Arbed 1 Programme which aimed to reduce fuel poverty, reduce carbon emissions and support the energy efficiency and renewable supply chain and encourage recruitment and training in the sector. Results have been obtained from desk top data collection and energy modelling calculations. The evaluation work presents the technical, environmental and economic impacts of the programme and demonstrates lessons learnt to help improve the implementation of the other regional retrofit projects providing evidence of the impacts of a large scale retrofit programme that are necessary for the deep carbon reductions required in the near future.
Highlights
The first-ever universal legally binding global climate deal was introduced in Paris in 2015 highlighting that climate change is, at last, being recognised as a real and urgent global problem [1]
In order to evaluate the technical, environmental and economic impact of the implementation of the regional scale Arbed 1 retrofit programme, data was provided by Warm Wales (WW) and modelled energy calculations based on property types and ages was calculated
Environmental and economic impacts of the Programme have been evaluated to demonstrate the positive and negative aspects of the programme in order to assist with improving the implementation of other large scale retrofit programmes that are necessary for the deep carbon reductions required in the near future
Summary
The first-ever universal legally binding global climate deal was introduced in Paris in 2015 highlighting that climate change is, at last, being recognised as a real and urgent global problem [1]. A total of 195 countries will adopt the Agreement which will enter into force in 2020, with national targets revised on a 5 yearly basis. This follows the EU commitment in 2007 to transform Europe into a highly energy efficient, low carbon economy where EU Governments agreed that emissions would be cut by at least 20% of 1990 levels by 2020 [2]. Legislative agreements need to be fully supported by significant action across all sectors of the built environment, through reducing energy demand, providing energy from renewable low carbon sources and storing energy where possible to minimise the use of fossil fuels
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