The company has established a professional O&M department. Currently, JEPCC is providing O&M services to 59 project sites (17 wind farms, 27 centralized photovoltaic power stations, 16 distributed photovoltaic power stations)), with the total capacity of 4.6GW. The team of 350 O&M experts give professional support, providing full life cycle O&M technical services for new energy power stations, as well as massive data collection, analysis, diagnosis, and power generation improvement technical services.

It has obtained certificates including the Operation and Maintenance System AAA Certificate from the German TÜV Certification Authority, Operation and Maintenance Quality AA Certificate, International IECTS 63049 Conformity Certificate, and is the listed unit of International New Energy Projects O&M Center in INES (International New Energy Solution)