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Green Renewable Energy Forum
Solar PV Forum
How to calculate the generation in kWh of the PV Panels
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<blockquote data-quote="Bob Smith" data-source="post: 536706" data-attributes="member: 35176"><p>Hi,</p><p></p><p>I posted this for information as I could not find any other posts about this topic.</p><p>I used the website around the time I created that post to check its results vs my actual generation.</p><p></p><p>I have a 4kWp (16 panels @ 250W, 0.15% efficiency) facing South East in Cheshire. They were installed in Jan 2016.</p><p>At that time I was told they would generate ~3300kWh/y.</p><p>The website above gives me 3350kWh/y</p><p></p><p>In 6 years and 10 months. I generated a total of 26300kWh. so that is roughly 3850kWh/y</p><p></p><p>I have also learned that those websites are usually based on old equipment specs. For instance PV panels these days are minimum 20% efficient. that is 33% more than mine.</p><p>Hope this helps.</p></blockquote><p></p>
[QUOTE="Bob Smith, post: 536706, member: 35176"] Hi, I posted this for information as I could not find any other posts about this topic. I used the website around the time I created that post to check its results vs my actual generation. I have a 4kWp (16 panels @ 250W, 0.15% efficiency) facing South East in Cheshire. They were installed in Jan 2016. At that time I was told they would generate ~3300kWh/y. The website above gives me 3350kWh/y In 6 years and 10 months. I generated a total of 26300kWh. so that is roughly 3850kWh/y I have also learned that those websites are usually based on old equipment specs. For instance PV panels these days are minimum 20% efficient. that is 33% more than mine. Hope this helps. [/QUOTE]
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How to calculate the generation in kWh of the PV Panels
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