{"id":1383,"date":"2011-08-08T13:34:35","date_gmt":"2011-08-08T12:34:35","guid":{"rendered":"http:\/\/positech.co.uk\/cliffsblog\/?p=1383"},"modified":"2011-08-08T13:34:35","modified_gmt":"2011-08-08T12:34:35","slug":"gratuitous-solar-power-stats","status":"publish","type":"post","link":"https:\/\/www.positech.co.uk\/cliffsblog\/2011\/08\/08\/gratuitous-solar-power-stats\/","title":{"rendered":"Gratuitous Solar Power Stats"},"content":{"rendered":"<p>Ok, it&#8217;s been about a month, so lets look at some solar stats for the last 30 days. ( I have 10 solar panels outside my office window, for those new to the blog. I&#8217;m in the SouthWest UK)<\/p>\n<p>Total power generated is 189 units. That&#8217;s 189 kwH, which at market prices is \u00a323.62. Bad huh?<\/p>\n<p>But wait a second&#8230; I earn 3p per exported unit (50% is assumed) and 43p Feed-in-tariff, regardless of usage, plus of course the 12.5p per unit the power would have cost me if I&#8217;d had to buy it. That means that really, each unit generated earns me 57p a unit, meaning I&#8217;ve generated \u00a3107.73. If we wanted to go mad, I&#8217;d claim 12 months of that is \u00a31,292 :D<\/p>\n<p>Obviously summer output is <strong>WAY<\/strong> higher than winter, but as a counter to that, we have had a shit 30 days in terms of sunshine (unusually so, the month before install was insanely bright).<\/p>\n<p>Another reason to be cheerful in terms of future output, is that we have a big tree casting serious shade around 4PM. We knew about this, obviously, but didn&#8217;t realise the extent to which the late afternoon\/early evening sun was going to be so bright here. Given that, we may well lop a few feet off the top (it&#8217;s BIG) and hopefully that should boost output a fair bit.<\/p>\n<p>here is a chart showing the aggregated output over the time of day&#8230;<\/p>\n<p><a href=\"http:\/\/positech.co.uk\/cliffsblog\/wp-content\/uploads\/2011\/08\/daily_average.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1384\" title=\"daily_average\" src=\"http:\/\/positech.co.uk\/cliffsblog\/wp-content\/uploads\/2011\/08\/daily_average.jpg\" alt=\"\" width=\"581\" height=\"426\" srcset=\"https:\/\/www.positech.co.uk\/cliffsblog\/wp-content\/uploads\/2011\/08\/daily_average.jpg 581w, https:\/\/www.positech.co.uk\/cliffsblog\/wp-content\/uploads\/2011\/08\/daily_average-300x219.jpg 300w\" sizes=\"auto, (max-width: 581px) 100vw, 581px\" \/><\/a>And a chart showing how massively it varies each day:<\/p>\n<p><a href=\"http:\/\/positech.co.uk\/cliffsblog\/wp-content\/uploads\/2011\/08\/perday.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1385\" title=\"perday\" src=\"http:\/\/positech.co.uk\/cliffsblog\/wp-content\/uploads\/2011\/08\/perday.jpg\" alt=\"\" width=\"506\" height=\"432\" srcset=\"https:\/\/www.positech.co.uk\/cliffsblog\/wp-content\/uploads\/2011\/08\/perday.jpg 506w, https:\/\/www.positech.co.uk\/cliffsblog\/wp-content\/uploads\/2011\/08\/perday-300x256.jpg 300w\" sizes=\"auto, (max-width: 506px) 100vw, 506px\" \/><\/a><\/p>\n<p>I&#8217;m sure I&#8217;ll be equally boring and geeky when we have lopped a bit of the tree and had a few days without it. Of course, then the sun will be lower overall&#8230;. Bah. comparing data is such a pain.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ok, it&#8217;s been about a month, so lets look at some solar stats for the last 30 days. ( I have 10 solar panels outside my office window, for those new to the blog. I&#8217;m in the SouthWest UK) Total power generated is 189 units. That&#8217;s 189 kwH, which at market prices is \u00a323.62. Bad<\/p>\n<p class=\"text-right\"><span class=\"screen-reader-text\">Continue Reading&#8230; Gratuitous Solar Power Stats<\/span><a class=\"btn btn-secondary continue-reading\" href=\"https:\/\/www.positech.co.uk\/cliffsblog\/2011\/08\/08\/gratuitous-solar-power-stats\/\">Continue Reading&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[109],"tags":[],"class_list":["post-1383","post","type-post","status-publish","format-standard","hentry","category-solar"],"_links":{"self":[{"href":"https:\/\/www.positech.co.uk\/cliffsblog\/wp-json\/wp\/v2\/posts\/1383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.positech.co.uk\/cliffsblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.positech.co.uk\/cliffsblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.positech.co.uk\/cliffsblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.positech.co.uk\/cliffsblog\/wp-json\/wp\/v2\/comments?post=1383"}],"version-history":[{"count":1,"href":"https:\/\/www.positech.co.uk\/cliffsblog\/wp-json\/wp\/v2\/posts\/1383\/revisions"}],"predecessor-version":[{"id":1386,"href":"https:\/\/www.positech.co.uk\/cliffsblog\/wp-json\/wp\/v2\/posts\/1383\/revisions\/1386"}],"wp:attachment":[{"href":"https:\/\/www.positech.co.uk\/cliffsblog\/wp-json\/wp\/v2\/media?parent=1383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.positech.co.uk\/cliffsblog\/wp-json\/wp\/v2\/categories?post=1383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.positech.co.uk\/cliffsblog\/wp-json\/wp\/v2\/tags?post=1383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}