The smart grid, however, should not be confined to pilots. But the problem is figuring out how to scale up.
但智能电网不应只止步于有几个先行者，问题是如何使之规模化。
2
“If you build a really large solar plant, you have a really large problem of getting it to the grid,” he said.
他说：“如果你建立一个相当大的太阳能厂，你就会面临一个相当大的网络问题。”
3
On a smart grid, intermittence is less of a problem because smart meters and other technologies can be used to manage electricity demand and to store power when too much is being generated.