cost per kilowatt-hour

例句：

1. 1.The cost per kilowatt-hour for electricity has increased significantly in recent years.
   近年来，每千瓦时的电费显著上涨。
2. 2.The company's pricing strategy is based on the cost per kilowatt-hour of electricity.
   公司的定价策略是基于电力的每千瓦时成本。
3. 3.To calculate the total cost, we need to consider the cost per kilowatt-hour for both fuel and electricity.
   为了计算总成本，我们需要考虑到燃料和电力的每千瓦时成本。