Group 1: Carbon Emission Allowance (CEA) and Certified Emission Reduction (CCER) Price Indices - The expected buy price for CEA in June 2025 is 68.36 CNY/ton, with a sell price of 74.78 CNY/ton, resulting in a midpoint price of 71.57 CNY/ton. The buy price index decreased by 12.77%, and the sell price index decreased by 9.54% [2] - The expected buy price for CCER in June 2025 is 82.84 CNY/ton, with a sell price of 92.74 CNY/ton, resulting in a midpoint price of 87.79 CNY/ton. The buy price index decreased by 3.37%, and the sell price index decreased by 6.18% [2] Group 2: Green Electricity Certificate (GEC) Price Indices - The price indices for GECs for 2024 and 2025 show an overall increase. The expected price for centralized projects in 2025 is 6.85 CNY/unit, with a price index of 124.55, while for distributed projects, it is 6.40 CNY/unit with a price index of 129.86 [3] - The price for biomass power generation GEC in 2025 is expected to be 6.16 CNY/unit, with a price index of 119.43. The price increases for 2025 production GECs are significantly higher than those for 2024 production [3] Group 3: Market Activity and Regulatory Developments - In May, the average closing price for CEA was 70.30 CNY/ton, down approximately 13% from April's average of 80.87 CNY/ton. The trading volume increased significantly, with an average daily transaction volume of 57.97 million tons, doubling from April [5] - The draft of the Ecological Environment Law, which includes provisions for establishing a carbon market trading system, is currently under review. This law aims to strengthen the control of greenhouse gas emissions and support the operation of carbon markets [6][7] Group 4: Global Carbon Market Trends - The global carbon market showed mixed trends in May, with varying transaction volumes across different markets. The EU carbon market saw a 24.11% decrease in average daily transaction volume, while the UK market increased by 5.03% [8] - Carbon prices in major global markets generally increased, with the EU market rising by 9.44%, the UK market by 14.43%, and the Korean market by 4.71% [8]