企业还可以优化能源使用，降低用电成本。
Companies can also optimize their energy use and cut down on the cost of electricity.
他们还担心如果该方案生效，用电成本会大幅上涨。
They are also worried that the cost of electricity will rise sharply if the plan goes into effect.
钢厂等主要用电大户的峰值负荷造成电力资源浪费，供电紧张及企业自身用电成本高居。
The peak value load of main electric power consumers such as steel works causes electric power resource to waste, short supply of mains power and consumer to increase electric cost.
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