It's still building a lot of coal, but only 50 percent capacity utilization.
该公司仍在建设大量煤炭,但产能利用率仅为 50%。
英语百科
Capacity utilization
Capacity utilization or capacity utilisation is the extent to which an enterprise or a nation actually uses its installed productive capacity. It is the relationship between output that is actually produced with the installed equipment, and the potential output which could be produced with it, if capacity was fully used.