The extra capacity comes from an additional 100 or so small natural-gas turbines; firms generating their own power; and more hydroelectricity.

这额外的补充来自于添加的大约100台小型天然气轮机和更多的水力发电，同时，许多公司的电能由自己供给。

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The UK government says up to 26GW of new gas generating capacity could be required by 2030.

BBC: Autumn statement: A future for shale gas in Wales?

China is rapidly expanding its coal and natural gas generating capacity and will accelerate the process if oil prices remain high, Littell says.

FORBES: Magazine Article

If TXU has to call into service its "mothballed" natural gas plants, or if new generating capacity in the state isn't enough to meet demand--causing prices to skyrocket--those additional facilities would have mattered quite a bit.

FORBES: TXU's Vanishing Plants