3月15日，白音华坑口发电公司2×66万千瓦超超临界机组新建工程1号机组启动并网一次成功，标志着该机组已具备通过锡盟至泰州±800kV特高压直流输电线路向外部输电的能力。

白音华坑口发电公司2×66万千瓦超超临界机组新建工程项目为锡盟至泰州±800kV特高压直流输变电工程配套电源点，位于锡林郭勒盟西乌珠穆沁旗白音华工业园区境内。作为国家能源局督办的重点保供项目，该项目总占地面积35.92公顷，全部投产后，年发电量可达60亿千瓦时，年度可实现营业收入约16亿元，上缴税费约2亿元，对推动当地经济发展、实现煤炭就地转化及电力外送具有重要意义。

On March 15, the No. 1 unit of the new project of 2× 660,000 kW ultra-supercritical unit of Baiyin Hua Hang Kou Power Generation Company was successfully connected to the grid, marking that the unit has the ability to transmit electricity to the outside through the ±800kV UHV DC transmission line from Ximeng to Taizhou.

Baiyin Huahang Kou Power Generation Company's 2× 660,000 kW ultra-supercritical unit construction project is located in Baiyin Hua Industrial Park, XiWuzhumuqin Banner, Xilin Gol League, which is a supporting power point for ±800kV UHV DC power transmission and transformation project from Xiimeng to Taizhou. As a key supply guarantee project supervised by the National Energy Administration, the project covers a total area of 35.92 hectares, after the full operation, the annual power generation can reach 6 billion KWH, the annual operating income can achieve about 1.6 billion yuan, and the tax is about 200 million yuan, which is of great significance to promote the local economic development, the realization of coal conversion and power delivery.