China Longyuan was established in 1993. At that time, it was affiliated to the China National Department of Energy. Later, it was turned to be affiliated to the Ministry of Electric Power and State Power Corporation, then it was put under the former China Guodian Corporation in the 2002 power system reform. In 2017, China Guodian Corporation and Shenhua Group merged and reorganized, and China Longyuan was put under China Energy.

China Longyuan has long been representing the country in the research and development of new energy technologies. It is the earliest specialized company to develop wind power in China. It was successfully listed in Hong Kong in 2009, setting a number of firsts including the largest financing in overseas initial public offerings by Chinese power companies and the highest price-earnings ratio. It is known as the "First Chinese Stock of New Energy". It became the world's largest wind power operator in 2015. By the end of 2018, China Longyuan had an installed capacity of 21,044 MW, of which wind power had an installed capacity of 18,919 MW, and continued to maintain its position as the world's largest wind power operator. After 26 years of development, the company has become a large comprehensive power group focusing on the development and operation of new energy. Its business is distributed in 32 provinces and cities in China and Canada, South Africa and other countries.

Based on good business performance, the company has won many awards such as Best Management, 13th Five-Year Most Investment Value, Most Brand Value and Best Listed Company in the Golden Bauhinia Awards. It has been rated as Global Top 500 New Energy Enterprises for 6 consecutive years, and won the National May 1st Labor Award granted by the All-China Federation of Trade Unions for the highest honor of enterprises and institutions, and was awarded the honorary title of National Civilized Unit by the Spiritual Civilization Development Steering Commission.