a、农村排灌站，乡镇企业、加工厂、中小型工厂、矿区、交通运输等各种企、事业单位以及林业、基建工地暂设供电站的高压输电线路的电能计量。

A, rural drainage and irrigation stations, township enterprises, processing factories, small and medium-sized factories, mining areas, transportation and other enterprises and institutions, as well as electricity metering for high voltage transmission lines temporarily set up power stations at forestry and capital construction sites.

b、小电站发电量计量或小电站电网与国家进行联网运行时互送电能时的计量。

The measurement of B, power generation measurement of small power station or small power station power grid and the state when the power grid is connected to the state.