France has published Decree No. 2023-522 of 28 June 2023, which establishes the declaration and payment rules for the temporary solidarity contribution on the electricity production sector that was introduced as part of the Finance Law for 2023. As previously reported, the contribution is levied on electricity producers in France, with certain exceptions, and is equal to the amount (margin) of revenue exceeding prescribed threshold amounts per megawatt hour, reduced by 10% (i.e., a 90% tax on the positive margin), with prescribed amounts ranging from EUR 40 to EUR 175 per megawatt hour depending on the type and scale of...