The company is one of the first batch of key standardized joint stock system pilot enterprises in Shanxi Province, established through targeted recruitment on September 28, 1992 with the approval of the Shanxi Provincial Sports Reform Commission. On December 5, 1996, the company's A shares were listed and circulated on the Shanghai Stock Exchange. Since its listing, the company has gradually grown into an energy enterprise with clear main business, excellent corporate governance, and steady business operation through various capital operation methods such as equity changes, asset restructuring, equity allocation, and market refinancing. The company's main business is thermal power generation business and power distribution business. The company's main products are electricity. The company's stock continues to be selected as a sample stock in the Shanghai Stock Exchange's Shanghai Stock Exchange's Shanghai Stock Exchange's “Listed Company Information Disclosure Award”, “Excellent Investor Relationship Management Unit” and “Outstanding Social Responsibility Unit” by the Shanxi Securities Regulatory Bureau; an A-level listed company for the evaluation of investor protection work of listed companies; and the “Outstanding Board of Directors Award” by Jin Yuantable.