Käytämme vain tietoja, joiden lisenssi sallii uudelleenkäytön julkisella verkkosivustolla. Lisenssien edellyttämät lähdemerkinnät:
| Lähde | Lisenssi | Lähdemerkintä | |
|---|---|---|---|
| SMARD – Bundesnetzagentur | CC BY 4.0 | Bundesnetzagentur | SMARD.de |
| Red Eléctrica (REE) – apidatos | REE open data | Red Eléctrica de España | |
| Octopus Energy – Agile API | Octopus public API | Octopus Energy Ltd | |
| Ofgem – energy price cap | Open Government Licence v3.0 | Ofgem | |
| DESNZ – Quarterly Energy Prices, table 3.4.2 | Open Government Licence v3.0 | Department for Energy Security and Net Zero | |
| European Central Bank – euro reference rates | ECB, free re-use with source | European Central Bank | |
| Eurostat – nrg_pc_204, nrg_pc_205, nrg_pc_202, nrg_chddr2_a | © European Union, free re-use | Eurostat | |
| U.S. Energy Information Administration | Public domain | U.S. EIA | |
| U.S. Census Bureau – American Community Survey (B25064) | Public domain | U.S. Census Bureau | |
| NASA POWER | Public domain | NASA Langley Research Center (LaRC) POWER Project | |
| GeoNames | CC BY 4.0 | GeoNames | |
| NoreGeo – Norwegian price area boundaries | CC BY 4.0 | NoreGeo dataset (Zenodo) | |
| GISCO – NUTS 2024, countries | © EuroGeographics for the administrative boundaries | Eurostat GISCO | |
| Twemoji | CC BY 4.0 | © Twitter, Inc. and other contributors (flags) | |
| Carte des loyers (ANIL / Ministère de la Transition écologique) | Licence Ouverte 2.0 | ANIL – Ministère de la Transition écologique | |
| Hub'Eau – qualité de l'eau potable | Licence Ouverte 2.0 | Hub'Eau (OFB), ministère de la Santé | |
| Zensus 2022 – Statistisches Bundesamt | dl-de/by-2-0 | © Statistisches Bundesamt (Destatis), Zensus 2022 | |
| Statistik Austria – Mikrozensus Wohnen | CC BY 4.0 | Statistik Austria | |
| SERPAVI – Ministerio de Vivienda y Agenda Urbana | Reuse with attribution | Ministerio de Vivienda y Agenda Urbana | |
| ONS – Price Index of Private Rents | Open Government Licence v3.0 | Office for National Statistics | |
| RTB rent index (CSO) | CC BY 4.0 | Central Statistics Office, Residential Tenancies Board | |
| HUD Fair Market Rents | Public domain | U.S. Department of Housing and Urban Development | |
| mercato-immobiliare.info | Public web pages, cited | Caasa – mercato-immobiliare.info |
Laskelmat, vertailut ja järjestykset ovat omaa työtämme näiden tietojen pohjalta.