Ormat Technologies Inc. ORA, -0.09% today announced that the 24 MW Tungsten Mountain geothermal power plant located in Churchill County, Nevada, began commercial operation on December 1, 2017. 

Tungsten prices have climbed in recent weeks amid a production slowdown in China, the world's top source of this rare element used to make highly durable materials.

Tungsten, also known as Wolfram, is a greyish-white metal having lustrous appearance with a good corrosion resistance properties. Tungsten is widely used in its alloy form because pure tungsten is expensive and even difficult for machining. Its alloy consists of nickel, iron or copper added in tungsten. 

Analysis of latest tungsten market in China from Chinatungsten Online: Opening this week, Chinese tungsten market keeps stable on the whole, but supply and demand still refuses to budge. The tax law of environmental protection that will soon be implemented increases manufacturers’ production costs, coupled with strong rised mentality of raw material side, short-term tungsten price will be stable with good momentum.