cost of heat supply of power plant

例句：

1. 1. The cost of heat supply is a significant factor in the energy mix.
   热力供应成本是能源组合中的一个重要因素。
2. 2. The company's decision to invest in renewable energy sources has saved them a significant amount of money on their energy bills.
   该公司决定投资可再生能源，这在他们的能源账单上节省了大量资金。
3. 3. The cost of heat supply is often higher during peak demand periods.
   在需求高峰期间，热力供应的成本通常更高。