https://carlosgordian.wordpress.com/2021/03/06/considering-solar-energy/

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2017 Solar Panel Data UK

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I've been a bit slow to update the data on my website over the past 12 months as it was becoming more tedious to do every month so I decided to batch it up. Unfortunately I subsequently discovered that the Sunny Boy inverter only holds 2 months of detailed daily data but full copies of the monthly summaries which means that a couple of months are lacking details. http://solar-panels-review.321web.co.uk/index.php/yearly-comparison-of-solar-pv With another year added to the totals it's interesting to see how the months may vary by year but often a bad month will be balanced out by a better month the same year so the overall totals are much closer that you might expect. For example 2015 and 2017 were only 6kWh different at 3207kWh and 3213kWh respectively. What does seem clear is that the maximum days are dropping which might be expected as the solar panels age so in 2017 we only had 1 day with over 20kWh of electricity produced. http://uk-solarpanels.blogspot.com/feeds/7905582423...
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2020 - Worst Ever October for Solar Panels

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 As an example of how nature evens out the weather in 2020 we have now had the best and worst months for solar generation since we had panels installed in 2011. April and May 2020 beat every previous record for our system but October has now been the lowest generated for an October by a significant margin Average for October was 205kWh with a previous minimum of 185kWh and high of 273kWh in 2018. This month was only 163kWh of electricity generated http://uk-solarpanels.blogspot.com/feeds/2109588457815308505/comments/default
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2018-19 Feed in Tariff FIT Rate Level for UK Solar PV

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The inflation rate for December 2017 has just been released today which means that the level of Feed in Tariff for 2018/2019 is now known. The Feed in Tariff (FIT) rate for April onwards is based on RPI inflation rate for the previous December so the 2017 figure will determine the FIT tariff payment level from April 2018. The FIT tariff level for 2017-2018 was 50.67p per kWh for generation and  3.57p  per kWh for export which is deemed as 50% of the electricity generated. The headline figure of CPI inflation for December 2017 was 3.0% but this isn't the number used to calculate the Feed in Tariff FIT level, the value needed is for RPI inflation which is much harder to find as it's no longer considered an "official" national statistic.  Solar PV generation meter - FIT rates 2018/19 Delving into the ONS statistics page it's eventually possible to locate the RPI number which is 4.1% for December 2017. So to calculate the new FIT rate we need to multiply the old v...
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