与英国的总装机容量差不多。

That's similar to that of the UK.

在某些情况下，它指的是总装机容量。

In some cases, it refers to the total installed capacity.

据专家测算，岛上风力发电总装机容量可达20万千瓦。

Experts estimated that the total installed capacity of wind power on the island of up to 200,000 kilowatts.

举个例子，根据2015年的数据，撒哈拉以南非洲的总装机容量只有约100吉瓦（GW）。

So, for example, according to 2015 data, the total installed electricity capacity in sub-Saharan Africa is only about 100 gigawatts.