Asger Kappel Skau

Thanks Good to know, thank you for the help. i will try tio dig deeoer into the different weather files.

Interesting. Do you think this a general thing when using PVGIS (2005-2020, PVGIS-SARAH2/ERA5) for this syntetic data? How is it possible to dive deeper into the weather files other than using the diagram as above? I just gets symbols when opening the .Wbv files?

Thank you very much.

Yea, that is correct, is another location not far from the other one. But the pattern is the same. But why does that end up with a high west value? How does PVsol tackle missing weather data?

Okay, thank you. Could be of great interest if you want to look deeper into the project. How do i send in via PN? Best regards asger

Hi, Thank you for the answer. I'm currently using PVsol premium 2023, i can't see if it is PVGis 5.1 or 5.2 anywhere. I have assumed it was 5.2 because of the name PVGIS-SARAH2/ERA5, but maybe i'm wrong. The peak looks very unnatturel. It would be of great help if you could take a look at the weather file. There is two weather files attached in this message. The one called "Slagelse_2005_2005.wbv" is the PVgis and the "Flakkebjerg_1996_2015.wbv" is meteonorm 8.1. It is same location and the Flakkebjerg file is original from the PVsol database, guess it's a weather station. Hope you are able to help and this is the correct file format. Br Asger Flakkeberg_1996_2015.wbv Slagelse_2005_2020.wbv

Hi, I have faced a strange pattern when using the PVGIS (2005-2020, PVGIS-SARAH2/ERA5) weather file. As you can see on the attected picture. I achieve a higher kWh/kWp at SW orientated PV panels than S. Furtheremore, the E values are very low and the W is very high. This makes me suspestion how that is possible. I suspect it could be because of the data maybe doesn't take into account we do the summertime/wintertime switch, and there for looking better than it is. Anyone there has some good explaniation on this? it is the exact same location, just two apperantly very different meteofiles. the laocation is Zealand in Denmark. Hope anyone have a good solution or explanation. BR Asger

HI, I have some questions about the finacial analysis in PVsol premium i hope someone can answer. I have a case with a privat house consumption with PV on the roof. It is connected to both the grid and the PV. The PV should go to the consumpion first if possible. Just to be sure i understand it correct, the "from-grid tariff" is used to modify the savings on the electricity used directly from the PV, right? See attached pricture where i have modified different tariff periods? The excess electricity produced is sold to the grid for the spot price and nothing more. Can i just type in a price in "Proce pf electricity sold to third party" Or should i use the feed-i tariffs, i get slightly different values. if i only achieve the spot price, which one should i choose. see picture two. see picture three for energy flow. hope someone can help. BR Asger