electric energy cost per tonne of raw coal

例句：

1. 1. The company's electricity costs have increased significantly in recent years, affecting its profitability.
   该公司近年来电力成本显著增加，影响其盈利能力。
2. 2. The new power plant will generate more electricity with less raw coal, reducing the cost per tonne of raw coal.
   新电厂将使用更少的原始煤炭产生更多电力，从而降低每吨原始煤炭的电耗成本。
3. 3. To reduce the cost per tonne of raw coal, the company is considering investing in renewable energy sources.
   为了降低每吨原始煤炭的成本，公司正在考虑投资可再生能源。