Abstract
Bayesian optimisation yields up to 23% lower levelised cost of electricity of bifacial solar farms.
Highlights
The record power conversion efficiency (PCE) of monofacial silicon solar cells – currently the dominant solar-cell technology – is 26.7% 1 and approaches the physical limit of around 29.4%, which was calculated by Richter et al.[2]
Photovoltaic (PV) systems consisting of bifacial solar modules can generate a signi cantly higher annual energy yield (EY) than systems using conventional monofacial PV modules, because bifacial solar modules utilize light impinging onto their front, and illumination onto their rear side.[3,4]
We developed a detailed model to calculate the irradiation onto both sides of a PV module, which is located in a large PV eld
Summary
The record power conversion efficiency (PCE) of monofacial silicon solar cells – currently the dominant solar-cell technology – is 26.7% 1 and approaches the physical limit of around 29.4%, which was calculated by Richter et al.[2]. The bifacial solar cell market has been gathering pace for a couple of years and several major PV companies, such as Sanyo,[6] Yingli,[7] PVG solutions, bSolar/SolAround,[8] and Trina Solar[9] introduced bifacial modules. The tenth edition of the International Technology Roadmap for Photovoltaics (ITRPV) predicts a global market share of more than 50% for bifacial modules in 2029.10 Large-scale bifacial PV power plants already have been realised and showed a higher energy yield than their monofacial counterparts.[11]
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