Compagnie des mines de Béthune
Introduction


The **Compagnie des mines de Béthune**, sometimes called the sometimes called the **Compagnie de Grenay** after the name of the concession, was a French coal mining company in the [Pas\-de\-Calais](/wiki/Pas-de-Calais "Pas-de-Calais") that was established in 1851 and nationalized in 1946\.
The company had 11 mines, each with one or more shafts for extraction of coal or ventilation.
It had a large facility for screening and washing raw coal, and for producing coke and other secondary products.
During [World War I](/wiki/World_War_I "World War I") (1914–1918\) the front line crossed the mining concession, with the northern part occupied by the Germans, but despite constant shelling production of coal continued.
Coke production peaked at 565,195 tons in 1928\.
The company had two thermal electricity plants, and operated  of railway tracks.
At its peak the company was one of the largest coal mining operations in the region, with 12,640 employees in 1945\.


What is the Compagnie des mines de Béthune?