Customer: Shanxi Jincheng Anthracite Coal Mining Group Co., Ltd.
Location: Jincheng City, Shanxi, China
Scope of engine use:
60 Cat® G3520C CMM generator sets, Cat Paralleling Switchgear, and Controls
20 Cat G3516C LCMM generator sets
51 Cat G3520C CMM generator sets
Cat Dealer: Lei Shing Hong Machinery North Territory (LSHMN)
In 2008, Jincheng Anthracite Mining Group Co., Ltd. (JAMG) became the largest coal mine in China to use coal mine methane (CMM) to produce power generation for their mine site. CMM is a byproduct of coal formations and is released before or during active coal mining.
A long-time Caterpillar customer, JAMG formally commissioned their first power generation plant in 2008 using 60 Cat® G3520C generator sets, Cat paralleling switchgear and controls. By capturing the previously vented methane gas and converting it into electricity, the Cat generator sets significantly reduce greenhouse gas emissions while also improving the capacity of the local power grid.
In the first phase of the power expansion, six 1000 kW Jichai gensets were used, and the pump station had excess gas, so the customer prepared for the second phase.
They purchased four Cat G3516C low-concentration gas (LCMM) generator sets with power outputs of 1555 kW each.
The G3516C gensets have operated approximately 2,380 hours as of early March 2019. The accumulative power generation was at 13,076,843 kWH, with an effective use ratio of 91-93 percent and the expected annual effective operating hours totaling 7950-8150 hours.
The Cat generator sets run stably, with 100% power output and power generation efficiency of nearly 40%. The economic benefits are very significant. The imported Cat generator set is preferred. Additionally, JAMG has purchased 17 G3516 LCMM generator sets which are currently being delivered to the customer.
