https://www.esri.ie/system/files/publications/SUSTAT120.pdf
https://www.progressivepolicy.org/wp-content/uploads/2021/12/PPI_Natural-GasDec2021.pdf
https://www.ftm.eu/green-deception
https://iea.blob.core.windows.net/assets/ada7af90-e280-46c4-a577-df2e4fb44254/Renewables2022.pdf