power supply cost

例句：

1. 1. The company'spower supply cost has increased significantly due tothe rising energy prices.
   由于能源价格的上涨，公司的电源供应成本显著增加。
2. 2. Thenew solar panel technology reduces the power supplycost for residential customers.
   新的太阳能面板技术降低了住宅客户的电源供应成本。
3. 3. The government isconsidering introducing a tax on power supplies toreduce the overall cost of electricity.
   政府正在考虑对电源供应征税以降低整体电费。