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2021
July
Neat News 2021-211 (added 2021-07-30)
Photovoltaic is energetically worthwhile after one year
© Isofoton.es [CC BY 3.0]
| Depending on the efficiency and the amount and the strength of sunlight, a photovoltaic installation is energetically worthwhile when it is in use for at least about one year (between 0.44 years in India and 1.42 years in Canada). related: #photo_voltaic #efficiency |