Comments on: 208 years to pay back cost of solar panels? http://www.greenbang.com/208-years-to-pay-back-cost-of-solar-panels_4753.html Sustainable Energy Insight Fri, 27 Jan 2012 01:18:08 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Barry Johnston of Solartwin.com http://www.greenbang.com/208-years-to-pay-back-cost-of-solar-panels_4753.html/comment-page-1#comment-6096 Barry Johnston of Solartwin.com Tue, 20 Jan 2009 16:47:28 +0000 http://www.greenbang.com/?p=4753#comment-6096 This is an interesting calculation. I first must declare an nterest as MD of a solar company. I have seen some figures which are wildly over optimistic as well as some which are equally pessimistic. Of course it is all about what assumptions you make in your calculations. I have seen one solar heating (not electric) calculation which assumes that panels are over 90% efficient. The reality is usually between 25 and 50%. Just to add to the debate, for my take on the subject please visit http://www.solartwin.com/payback_calculator.php. Comments / challenges / improvements would be welcome! Thanks from Barry.<div class="comment-remix-meta"><a href="#" class="replyto" onclick="replyto('6096','Barry Johnston of Solartwin.com'); return false;">Reply</a> - <a href="#" class="quote" onclick="quote('6096','Barry Johnston of Solartwin.com','This is an interesting calculation. I first must declare an nterest as MD of a solar company. I have seen some figures which are wildly over optimistic as well as some which are equally pessimistic. Of course it is all about what assumptions you make in your calculations. I have seen one solar heating (not electric) calculation which assumes that panels are over 90% efficient. The reality is usually between 25 and 50%. Just to add to the debate, for my take on the subject please visit http:\/\/www.solartwin.com\/payback_calculator.php. Comments \/ challenges \/ improvements would be welcome! Thanks from Barry.'); return false;">Quote</a></div> This is an interesting calculation. I first must declare an nterest as MD of a solar company. I have seen some figures which are wildly over optimistic as well as some which are equally pessimistic. Of course it is all about what assumptions you make in your calculations. I have seen one solar heating (not electric) calculation which assumes that panels are over 90% efficient. The reality is usually between 25 and 50%. Just to add to the debate, for my take on the subject please visit http://www.solartwin.com/payback_calculator.php. Comments / challenges / improvements would be welcome! Thanks from Barry.
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]]> By: Total Solar Energy http://www.greenbang.com/208-years-to-pay-back-cost-of-solar-panels_4753.html/comment-page-1#comment-4927 Total Solar Energy Tue, 07 Oct 2008 09:26:55 +0000 http://www.greenbang.com/?p=4753#comment-4927 a little unfair. solar power is making great strides in its efficiency. soon it will hit the tipping point of being as cheap as fossil fuels<div class="comment-remix-meta"><a href="#" class="replyto" onclick="replyto('4927','Total Solar Energy'); return false;">Reply</a> - <a href="#" class="quote" onclick="quote('4927','Total Solar Energy','a little unfair. solar power is making great strides in its efficiency. soon it will hit the tipping point of being as cheap as fossil fuels'); return false;">Quote</a></div> a little unfair. solar power is making great strides in its efficiency. soon it will hit the tipping point of being as cheap as fossil fuels
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]]> By: Green Technology - Easy or Hard? « Askthefm’s Weblog http://www.greenbang.com/208-years-to-pay-back-cost-of-solar-panels_4753.html/comment-page-1#comment-4459 Green Technology - Easy or Hard? « Askthefm’s Weblog Thu, 04 Sep 2008 15:45:44 +0000 http://www.greenbang.com/?p=4753#comment-4459 [...] it could take 208 years to achieve payback on a solar panel installation! The full article is here: http://www.greenbang.com/4753/208-years-to-pay-back-cost-of-solar-panels/ and the report is [...]<div class="comment-remix-meta"><a href="#" class="replyto" onclick="replyto('4459','Green Technology - Easy or Hard? « Askthefm’s Weblog'); return false;">Reply</a> - <a href="#" class="quote" onclick="quote('4459','Green Technology - Easy or Hard? « Askthefm’s Weblog','[...] it could take 208 years to achieve payback on a solar panel installation! The full article is here: http:\/\/www.greenbang.com\/4753\/208-years-to-pay-back-cost-of-solar-panels\/ and the report is [...]'); return false;">Quote</a></div> [...] it could take 208 years to achieve payback on a solar panel installation! The full article is here: http://www.greenbang.com/4753/208-years-to-pay-back-cost-of-solar-panels/ and the report is [...]
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]]> By: Free The Power Now » Blog Archive » Solar Panel Info - 09/04/2008 http://www.greenbang.com/208-years-to-pay-back-cost-of-solar-panels_4753.html/comment-page-1#comment-4458 Free The Power Now » Blog Archive » Solar Panel Info - 09/04/2008 Thu, 04 Sep 2008 13:39:39 +0000 http://www.greenbang.com/?p=4753#comment-4458 [...] 208 years to pay back cost of solar panels? By AndyMcCue The guide says the cost of installing solar panels is around £4000 to £5000, with resulting energy savings of as little as £24 per year - meaning it would take some 208 years to pay back that initial installation cost. … Greenbang - http://www.greenbang.com [...]<div class="comment-remix-meta"><a href="#" class="replyto" onclick="replyto('4458','Free The Power Now » Blog Archive » Solar Panel Info - 09\/04\/2008'); return false;">Reply</a> - <a href="#" class="quote" onclick="quote('4458','Free The Power Now » Blog Archive » Solar Panel Info - 09\/04\/2008','[...] 208 years to pay back cost of solar panels? By AndyMcCue The guide says the cost of installing solar panels is around £4000 to £5000, with resulting energy savings of as little as £24 per year - meaning it would take some 208 years to pay back that initial installation cost. … Greenbang - http:\/\/www.greenbang.com [...]'); return false;">Quote</a></div> [...] 208 years to pay back cost of solar panels? By AndyMcCue The guide says the cost of installing solar panels is around £4000 to £5000, with resulting energy savings of as little as £24 per year – meaning it would take some 208 years to pay back that initial installation cost. … Greenbang – http://www.greenbang.com [...]
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