{"id":2100,"date":"2023-08-28T21:43:27","date_gmt":"2023-08-28T21:43:27","guid":{"rendered":"https:\/\/solus.energy\/?post_type=glossary&amp;p=2100"},"modified":"2023-08-28T21:43:27","modified_gmt":"2023-08-28T21:43:27","slug":"direct-beam-radiation","status":"publish","type":"glossary","link":"https:\/\/solus.energy\/commercial\/glossary\/direct-beam-radiation\/","title":{"rendered":"Direct Beam Radiation"},"content":{"rendered":"<p>Direct beam radiation is solar radiation that reaches the surface of the Earth in a direct line from the Sun. Atmospheric conditions reduce the level of direct radiation, on clear dry days by 10%, on heavy cloud days by 100%.<\/p>\n<p>Depending on how you want to use the radiation depends on how it is measured.\u00a0For electrical PV systems kWh\/m<sup>2<\/sup> and W\/m<sup>2<\/sup> (Watts per square metre) are used, where as Btu\/m<sup>2<\/sup> (British thermal units per square metre) can be used for thermal energy systems &#8211; hot water and space heating.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Direct beam radiation is solar radiation that reaches the surface of the Earth in a direct line from the Sun. Atmospheric conditions reduce the level of direct radiation, on clear&hellip;<\/p>\n","protected":false},"author":7,"featured_media":0,"menu_order":0,"template":"","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"glossary-categories":[8,5],"glossary-tags":[],"class_list":["post-2100","glossary","type-glossary","status-publish","hentry","glossary-categories-solar-energy","glossary-categories-solar-panels"],"_links":{"self":[{"href":"https:\/\/solus.energy\/commercial\/wp-json\/wp\/v2\/glossary\/2100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/solus.energy\/commercial\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/solus.energy\/commercial\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/solus.energy\/commercial\/wp-json\/wp\/v2\/users\/7"}],"version-history":[{"count":0,"href":"https:\/\/solus.energy\/commercial\/wp-json\/wp\/v2\/glossary\/2100\/revisions"}],"wp:attachment":[{"href":"https:\/\/solus.energy\/commercial\/wp-json\/wp\/v2\/media?parent=2100"}],"wp:term":[{"taxonomy":"glossary-categories","embeddable":true,"href":"https:\/\/solus.energy\/commercial\/wp-json\/wp\/v2\/glossary-categories?post=2100"},{"taxonomy":"glossary-tags","embeddable":true,"href":"https:\/\/solus.energy\/commercial\/wp-json\/wp\/v2\/glossary-tags?post=2100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}