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When only daily averages are available, for instance, when assessing solar potential in a future climate, the standard procedure leads to a non-negligible error in the estimation of PV generation, as it disregards the fact that changes in efficiency at low irradiance are less relevant than changes in efficiency at high irradiance. A correction factor based on a sinusoidal model for solar irradiation and temperature is proposed and tested for locations with diverse latitudes and climates. The results show that this approach features random and bias errors below 2%, at least three times smaller than the standard averaging method, thus validating its application for estimation of PV generation.<\/jats:p>","DOI":"10.1063\/1.5115354","type":"journal-article","created":{"date-parts":[[2019,9,25]],"date-time":"2019-09-25T13:37:15Z","timestamp":1569418635000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":1,"title":["A sinusoidal model to assess PV generation from daily irradiation data"],"prefix":"10.1063","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3580-3474","authenticated-orcid":false,"given":"Miguel C.","family":"Brito","sequence":"first","affiliation":[{"name":"Instituto Dom Luiz, Faculdade de Ci\u00eancias, Universidade de Lisboa , Campo Grande, 1749-016 Lisboa, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2813-150X","authenticated-orcid":false,"given":"Rodrigo","family":"Amaro e Silva","sequence":"additional","affiliation":[{"name":"Instituto Dom Luiz, Faculdade de Ci\u00eancias, Universidade de Lisboa , Campo Grande, 1749-016 Lisboa, Portugal"}]}],"member":"317","published-online":{"date-parts":[[2019,9,25]]},"reference":[{"key":"2023062520134469000_c1","doi-asserted-by":"publisher","first-page":"665","DOI":"10.1016\/S0927-0248(02)00148-4","article-title":"Field-test analysis of PV system output characteristics focusing on module temperature","volume":"75","year":"2003","journal-title":"Sol. 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