please translate the following sentence into English~电荒席卷各地之

原句后面不完整,补充并翻译如下：
电荒席卷各地之时,众多火电企业却因煤价持续高涨而快速发展.
When the shortage of electric power is sweeping all over the places,many of the thermal power enterprises are booming due to the continuous rise of coal prices.