2013
DOI: 10.6106/jcepm.2013.3.3.023
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Estimating the Loss Ratio of Solar Photovoltaic Electricity Generation through Stochastic Analysis

Abstract: As climate change and environmental pollution become one of the biggest global issues today, new renewable energy, especially solar photovoltaic (PV) system, is getting great attention as a sustainable energy source. However, initial investment cost of PV system is considerable, and thus, it is crucial to predict electricity generation accurately before installation of the system. This study analyzes the loss ratio of solar photovoltaic electricity generation from the actual PV system monitoring data to predic… Show more

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Cited by 9 publications
(9 citation statements)
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“…All listed empirical models show improvements in prediction accuracy, compared to prediction methods not considering snow losses at all, for the sites studied or used in validation. Prediction improvements are, however, not always consistent for all time resolutions, showing decent correspondence for annual estimates and large errors for monthly estimates or higher resolution estimates [6,10,15]. For example [15,16] presented annual absolute errors within 2% and 4% (of annual energy yield), respectively, and monthly absolute errors within 85% and 34% (of monthly observed energy yield), respectively.…”
Section: Introductionmentioning
confidence: 91%
“…All listed empirical models show improvements in prediction accuracy, compared to prediction methods not considering snow losses at all, for the sites studied or used in validation. Prediction improvements are, however, not always consistent for all time resolutions, showing decent correspondence for annual estimates and large errors for monthly estimates or higher resolution estimates [6,10,15]. For example [15,16] presented annual absolute errors within 2% and 4% (of annual energy yield), respectively, and monthly absolute errors within 85% and 34% (of monthly observed energy yield), respectively.…”
Section: Introductionmentioning
confidence: 91%
“…Therefore, there is a need to accumulate and establish a database by continuously tracking the difference between the estimated electricity generation and the actual electricity generation (or energy performance). Furthermore, by using such tracking information in implementing a photovoltaic system in the field, the electricity generation can be more accurately estimated, and the return on investment can be more accurately analyzed [230].…”
Section: Tracking the Difference Between The Actual And Estimated Enementioning
confidence: 99%
“…These performance parameters were discussed for their suitability in providing desired information for PV system design and performance evaluation, and were demonstrated for a variety of technologies, designs, and geographic locations. Hong et al [16] estimated the loss ratio of solar PV electricity generation through stochastic analysis.…”
Section: Literature Reviewmentioning
confidence: 99%