There are many more regions not connected to this main grid.
还有许多区域没有连接到这个主网格。
Sometimes, when the sun is out and his storage batteries are topped off, Mr. Lim's solar array will send surplus power back to the main grid.
有时候，太阳出来了，他的蓄电池充满后，廉先生的太阳能发电装置还可以将多余的电力送给主电网。
Sometimes, when the sun is out and his storage batteries are topped off, Mr. Lim's solar array will send surplus power back to the main grid.
有时候，太阳出来了，他的蓄电池充满后，廉先生的太阳能发电装置还可以将多余的电力送给主电网。
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