Group 1: Impact of External Factors - Water inflow and coal prices are the two main factors affecting the company's hydropower and coal power projects [1] - The company enhances communication with meteorological departments to monitor water conditions and improve water utilization efficiency [1] - The company has established a centralized coal procurement mechanism to enhance bargaining power and optimize coal inventory management [1] Group 2: Infrastructure Projects - The Gezhouba navigation channel expansion project does not impact the water inflow in the company's river basins [2] Group 3: Pumped Storage Power Stations - The internal rate of return for capital during the 40-year operational period of pumped storage power stations is set at 6.5% [3] Group 4: Renewable Energy Investments - The company has established a scientific investment decision-making process for different energy types, with no immediate adjustments to the decision-making process for renewable energy projects [4] - Future adjustments to investment return indicators for renewable energy projects will consider investment costs, electricity prices, and market conditions [4]