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X-Energy, Inc.
X-Energy, Inc. is an American advanced nuclear energy company in Rockville, Maryland, developing the Xe-100 pebble-bed small modular reactor and TRISO-X fuel, with its first deployment at Dow's Seadrift, Texas site.
X70 pipeline steel
X70 pipeline steel is a high-strength low-alloy linepipe grade in the API 5L specification, with a 485 MPa minimum yield strength, used in long-distance natural gas pipelines.
Xanab Oil and Gas Field
Xanab (Campo Xanab) is an offshore oil and gas field in shallow Gulf of Mexico waters, operated by Pemex and counted among its main producers.
XBC
XBC is an umbrella term for back-contact silicon solar cell technologies that place both electrodes on the rear in an interdigitated pattern, eliminating front grid shading.
Xcel Energy
Xcel Energy is a Minneapolis-based regulated utility holding company, incorporated in 1909, serving about 3.9 million electric and 2.2 million gas customers in eight states.
Xe-100
The Xe-100 is a small modular pebble-bed high-temperature gas-cooled reactor developed by X-energy, designed to deliver 80 MWe or 200 MWt per module, with four-reactor plants delivering 320 MWe.
Xenon-135
Xenon-135 is a radioactive xenon isotope produced in nuclear fission whose enormous neutron absorption cross section makes it the most consequential neutron poison in reactor operation.
Xiamen hydroelectric plant
The Xiamen hydroelectric plant, formally the Xiamen Pumped Storage Power Station, is a 1,400 MW pumped-storage hydroelectric station under construction in Tong'an District, Xiamen, Fujian Province, China.
Xiamen Songyu power station
Xiamen Songyu power station, also known as Huaxia Power, is a coal-fired power station in Haicang, Xiamen, Fujian, China, with four 300 MW units completed between 1996 and 2006.
Xiangjiaba hydroelectric plant
Xiangjiaba hydroelectric plant (向家坝水电站) is a 6,400 MW hydropower station on the lower Jinsha River, the upper Yangtze, in southwestern China, fully in service in 2014 and China's fifth largest.
Xiangtan power station
Xiangtan power station (大唐华银湘潭发电厂) is an operating 1,800 MW coal-fired power station in Shuangma, Xiangtan, Hunan, China, on the Xiang River, owned by China Datang group subsidiary Datang Huayin.
Xianju hydroelectric plant
The Xianju hydroelectric plant, formally the Xianju Pumped Storage Power Station, is a 1,500 MW pumped-storage station in Xianju County, Zhejiang, China, fully operational since 2016.
Xiantao power station
Xiantao power station (华润电力仙桃发电厂) is a coal-fired power station in Xiantao, Hubei, China, owned by China Resources Power, with two 660 MW units operating since 2022.
Xianyou hydroelectric plant
The Xianyou hydroelectric plant is a 1,200 MW pumped-storage station in Xianyou County, Putian, Fujian, China, the province's first, with four domestically built 300 MW units completed in 2013.
Xiaobaodang No.1 Coal Mine
Xiaobaodang No.1 Coal Mine is a large underground coal mine in Shenmu, Shaanxi, China, operated by Shaanxi Xiaobaodang Mining Company with a capacity of 20 million tonnes per year.
Xiaobaodang No.2 Coal Mine
Xiaobaodang No.2 Coal Mine (小保当二号煤矿) is an underground bituminous coal mine in Dabaodang township, Shenmu, Yulin, Shaanxi, China, operated by Shaanxi Xiaobaodang Mining Company with a 13-million-tonne design capacity.
Xiaojiawa Coal Mine
The Xiaojiawa Coal Mine (肖家洼煤矿) is a large underground coal mine in Xingxian County, Shanxi, China, operated by Shanxi Jinxing Energy and majority owned by China Huadian.
Xiaojihan Coal Mine
Xiaojihan Coal Mine (小纪汗煤矿) is a large underground longwall coal mine in Yulin, Shaanxi, China, operated by China Huadian and paired with the Yuheng power plant.
Xiaolongtan power station
Xiaolongtan power station (开远小龙潭发电厂) is a lignite-fired power station near Kaiyuan, Yunnan, China, built beside the Xiaolongtan open-pit mine; its original six 100 MW units ran from 1985 to 2008.
Xiaowan hydroelectric plant
The Xiaowan hydroelectric plant (小湾电站) is a 4,200 MW hydroelectric plant on the upper Mekong in Yunnan, China, with a 294.5 m arch dam completed in 2010.
Xiaozhuang Coal Mine
Xiaozhuang Coal Mine (小庄煤矿) is a large underground coal mine in Yimen Town, Binzhou, Xianyang, Shaanxi, China, approved in 2017 with a design capacity of 6 million tonnes per year.
Xibaipo power station
Xibaipo power station (西柏坡电厂) is a coal-fired power station in Pingshan County, Shijiazhuang, Hebei, China, founded in 1991 and among the largest in Hebei's southern power grid.
Xiegou Coal Mine
The Xiegou Coal Mine (斜沟煤矿) is a large underground coal mine in Xingxian county, Shanxi, China, with a capacity of 15 million tonnes per year.
Xieqiao Coal Mine
Xieqiao Coal Mine (谢桥煤矿) is a large underground coal mine in Yingshang County, Anhui, China, in production since 1997 and operated by Huainan Mining Group with a verified capacity of 9.6 million tonnes a year.
Xieqiao power station
Xieqiao power station (谢桥电厂) is an operating 1,320 MW coal-fired power station in Yingshang County, Fuyang, Anhui, China, built as a pit-mouth plant burning coal from the adjacent Xieqiao Coal Mine.
Xifeng Oil Field
The Xifeng Oil Field (西峰油田) is a large onshore oil field in southwest China's Ordos Basin, discovered in 2001 and operated by PetroChina's Changqing Oilfield Branch.
Xiheishan power station
Xiheishan power station (华电新疆西黑山发电厂) is an operating 1,320 MW coal-fired power station in Xiheishan Industrial Park, Qitai, Changji, Xinjiang, China, with two ultra-supercritical units commissioned in 2024 and owned by Xinjiang Waneng Yinggema Power Generation.
Xijiang 23-1 Oil Field
Xijiang 23-1 is an operating offshore oil field in the South China Sea, China, in the Pearl River Mouth Basin, operated by CNOOC since 2008.
Xijiang 24-3 Oil Field
Xijiang 24-3 (西江24-3) is an offshore oil field in the Pearl River Mouth Basin, South China Sea, discovered by Phillips Petroleum in 1985 and producing since 1994.
Xilongchi hydroelectric plant
The Xilongchi hydroelectric plant, formally the Xilongchi Pumped Storage Power Station (西龙池抽水蓄能电站), is a 1,200 MW pumped storage station in Wutai County, Shanxi, first in the province and fully in service in 2009.