Visti Posted February 8, 2018 Share Posted February 8, 2018 I'm wondering if anyone has any excel model on sizing PVs? Particularly one that includes the annual cycle from month to month? I'm certain of the main variables that need to be considered (solar fall at geographical location, orientation to south, pitch, m2 of panels etc...) yet there's nothing via google that doesn't mean starting from first principles! Asking as we're looking to supply adequate power to our energy demands (below) and exploring non-conventional options like Sunamp! (£/yr is for a conventional gas boiler+cylinder which we're using as a baseline). Link to comment Share on other sites More sharing options...
Jeremy Harris Posted February 8, 2018 Share Posted February 8, 2018 Have you looked at the data available from PVGIS? It tends to be very accurate, certainly within about 5% or so, in my experience. The site is here: http://re.jrc.ec.europa.eu/pvgis/apps4/pvest.php# 1 Link to comment Share on other sites More sharing options...
Visti Posted February 8, 2018 Author Share Posted February 8, 2018 Hot dang, that was quick and spot on! Never fail to disappoint @JSHarris That is a very useful source... it even gives a horizon outline: Link to comment Share on other sites More sharing options...
MikeSharp01 Posted February 8, 2018 Share Posted February 8, 2018 It is a great resource - will be interesting to see how long the UK data remains upto date after March next year. Link to comment Share on other sites More sharing options...
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