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Assessment of Large Scale Photovoltaic Power Generation from Carport Canopies

机译:车棚的大规模光伏发电评估

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Reliance on fossil fuel-driven energy supply is a major contributor to global emissions. In order to stay within the Paris Agreement’s temperature rise limits, current and growing energy consumption will need to be significantly underpinned by deployment of lowon-carbon power generation. This work promotes power generation at the megawatt scale from solar photovoltaics (PV) systems deployed in untapped car parking areas, which are estimated to represent up to ~6.6% of the urban footprint within cities. The methodology developed is globally applicable to support PV development, including site selection and PV array configuration. It is underpinned by a case study in a university campus, which has a similar footprint as assigned in cities for vehicle parking. The methodology demonstrates that less than 1% of the available parking spaces are affected by shadows from surrounding buildings or vegetation. The work shows that by utilising such parking areas within the selected campus a PV installation with a capacity of ~36.4 MWp, which can generate ~66.2 GWh of electricity annually, would be feasible. Financial analysis based on multiple scenarios indicates that a 50% return on investment is achievable over 25 years at an export tariff of USD ¢4.5/kWh, which is commensurate with the latest granted bids for a similar export tariff.
机译:依赖化石燃料驱动的能源供应是造成全球排放的主要因素。为了保持在《巴黎协定》的温度上升限制内,当前和不断增长的能源消耗将需要通过部署低碳/无碳发电来显着支撑。这项工作通过部署在未开发的停车场中的太阳能光伏(PV)系统来促进兆瓦级的发电,据估计,这些系统最多可占城市内部城市空间的6.6%。所开发的方法在全球范围内适用于支持PV开发,包括站点选择和PV阵列配置。它以大学校园内的案例研究为基础,该案例具有与城市分配的停车场相似的足迹。该方法论表明,少于1%的可用停车位受周围建筑物或植被的阴影影响。工作表明,通过利用选定园区内的此类停车区,容量约为36.4 MWp的光伏装置(每年可产生约66.2 GWh的电力)将是可行的。根据多种情况进行的财务分析表明,如果出口关税为4.5英镑/千瓦时,则25年内可实现50%的投资回报率,这与针对类似出口关税的最新竞标价格相当。

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