in accordance with instructions in Directive 2018/410 of 14.03.2019, deadline until 30.09.2019, the Republic of Bulgaria has notified the EC of the country&#39;s intention to use a derogation on the basis of art. 10c of Directive 2018/410, through the free distribution of GHG quotas to electricity generation installations, with the aim of strengthening cost-effective reductions in GHG emissions and low-carbon investments during the fourth phase of the ETS for the transition period 2021 - 2030. Total the quotas distributed free of charge will not exceed 40% of the quotas that the Republic of Bulgaria will receive according to Article 10, paragraph 2, 6. a) for the transition period 2021-2030, distributed in equal annual amounts. Implementation of a market-based capacity mechanism for a period of 10 years. According to Regulation (EC) 2019/943 on the internal electricity market, which gives Member States the possibility to apply a capacity mechanism in case of concerns about the adequacy of national resources, which operates on a market basis and is in line with the requirements of the permissible values of CO2 of 550 gCO2/kWh electricity and the limit of 350 kgCO2 from fossil fuels on average per year per installed capacity in kW from 1 July 2025. and the implementation of Bulgaria&#39;s efforts will be aimed at approving a capacity mechanism that will guarantee the security and adequacy of the system and will enable electricity producers to receive additional financial income for their participation in the market.