The first is the tiered electric pricing system, and the other is time-of-use pricing system . The two systems are completely different.
一种是阶梯计价系统，另一种是分时计价系统。两种系统完全不同。
Thee first is the tiered electric pricing system, and the other is time-of-use pricing system. The two systems are completely different.
一种是阶梯计价系统，另一种是分时计价系统。两种系统完全不同。
The system is particularly beneficial in states with large time of use differences in electricity pricing such as northeastern states like Connecticut and west coast states like California.
在美国东北部地区如康涅狄格州和加州等西部海岸州，不同时期用电，电价差异较大，因此在这些州安装该系统受益最大。
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