The data is described in Karhu et al. (2025) (to be submitted to Geoscience Data Journal). PV power, ancillary and meteorological data for each PV system are organised in their respective, semicolon separated, csv-files with unique headers explaining the variables: - FMI_Helsinki_PV.csv, header length: 67 rows - FMI_Kuopio_PV.csv, header length: - FMI_Sodankyla_20deg_PV.csv, header length: 96 rows - FMI_Sodankyla_90deg_PV.csv, header length: 96 rows Hourly photographs of the Sodankylä modules are in a tarball: - Sodankyla_module_images_2018-2021.tar.gz Metadata, additional photographs of the PV sites and their surroundings as well as data sheets and technical information of the modules and inverters can be found in a separate tarball: - siteinfo_and_metadata.tar.gz

2024