{"id":51842,"date":"2021-12-22T08:02:15","date_gmt":"2021-12-22T07:02:15","guid":{"rendered":"https:\/\/www.vpsolar.com\/?p=51842"},"modified":"2021-12-22T08:43:35","modified_gmt":"2021-12-22T07:43:35","slug":"carbon-footprint-and-energy-cost-of-photovoltaics","status":"publish","type":"post","link":"https:\/\/www.vpsolar.com\/en\/carbon-footprint-and-energy-cost-of-photovoltaics\/","title":{"rendered":"Carbon footprint and energy cost of photovoltaics"},"content":{"rendered":"

It is known that the generation of photovoltaic energy is completely free of emissions and that a photovoltaic plant has a life expectancy of even 30 years; but it is also important to outline the CO2 emissions and energy consumption in the complete life cycle<\/strong>, from production to recycling, particularly for photovoltaic panels.<\/p>\n

The environmental impact has gradually decreased over time<\/h2>\n

Manufacturing involves the use of energy resources and an environmental impact, as well as the transport and assembly of a plant. It should be emphasized that, thanks to technological advancement and new production plants with increasing capacity, the environmental impact has gradually decreased over time<\/strong>.<\/p>\n

[vc_row][vc_column][vc_column_text]<\/p>\n

The energy cost for the production of photovoltaic panels has been reduced by about 15%<\/h2>\n

Thanks to the continuous efforts in research and development of the solar industry, the energy cost for the production of photovoltaic panels has been reduced by about 15% with each doubling of production capacity.<\/p>\n

Today it is estimated that a photovoltaic system repays the energy used to produce it in about 1 year<\/strong>. This means that 30 times the energy needed to produce it is produced.<\/p>\n

The following graphs show, on the left, the time (in years) for which the energy that was needed for its manufacturing is produced by a photovoltaic panel and the emissions of greenhouse gases (in gCO2) for each kWh produced.[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=”middle”][vc_column width=”1\/3″][vc_single_image image=”51845″ img_size=”full” alignment=”center”][\/vc_column][vc_column width=”1\/3″][vc_single_image image=”51843″ img_size=”full” alignment=”center”][\/vc_column][vc_column width=”1\/3″][vc_column_text]<\/p>\n

The energy cost for the production<\/h4>\n

of photovoltaic panels<\/p>\n

is repaid
\nin just 1 year<\/h3>\n

by the system\u2019s production<\/p>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=”middle”][vc_column width=”1\/4″][vc_single_image image=”51847″ img_size=”full” alignment=”center”][\/vc_column][vc_column width=”3\/4″][vc_column_text]The carbon footprint is defined as the total greenhouse gas produced directly or indirectly for the entire life cycle of a product, usually expressed in tons of CO2.<\/p>\n

The environmental footprint of photovoltaic energy production is considerably more limited than that of traditional sources.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

It is known that the generation of photovoltaic energy is completely free of emissions and that a photovoltaic plant has a life expectancy of even 30 years; but it is<\/p>\n","protected":false},"author":1,"featured_media":51851,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[141],"tags":[5194,5638,3694,5197,3443,3461],"class_list":["post-51842","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-en","tag-co2-emissions","tag-coal-plant","tag-energy-en","tag-energy-systems-4-1","tag-photovoltaic-panels-en","tag-photovoltaic-system-en-en"],"yoast_head":"\nCarbon footprint and energy cost of photovoltaics<\/title>\n<meta name=\"description\" content=\"The carbon footprint is defined as the total greenhouse gas produced directly or indirectly for the entire life cycle of a product\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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