2023
-CEEG wins the "one-paper certificate" of the State Grid and passed the pre-qualification of the supplier of the Southern Grid
-CEEG intelligent cloud platform is officially launched
-CEEG wins Bid for the Shenzhen-Huizhou Intercity Project in the Greater Bay Area of Guangdong, Hong Kong, and Macao
-CEEG passes CNAS certification
2022
-The headquarters operation center of CEEG relocated to Nanjing South Station and successfully moved into China Communications Investment Building
-CEEG's Nanjing Factory was relocated to Binjiang and successfully put into operation
2021
-Successful completion of the 220kV power transformer at CEEG
-CEEG successfully developed the SC13-25000/35 energy-saving transformer
2020
-Completion and acceptance of the 220kV Test Station at CEEG's Yangzhong Factory, with the first main transformer smoothly shipped
-Jinyue Feng, Director of the Standing Committee of the Yangzhong People's Congress, visited and guided CEEG
-The new base of CEEG's Yangzhong Factory was successfully unveiled
2019
-Digital transformation and upgrading of CEEG began with the successful launch of the China Electric IoT Cloud Platform
-CEEG successfully developed harmonic-resistant dry-type distribution transformers
-CEEG was selected for Jiangsu Province's 2018 Innovative Leading Enterprises Cultivation Plan
-Leaders from DuPont China Group made their first visit of the year to CEEG
2018
-CEEG signed the authorization letter for the DuPont ReliatraN® brand with DuPont in the United States
2016
-China Sunergy's United States factory was officially established
-Chinese Consul General in Istanbul, Chen Su, visited China Sunergy's Turkey company
2014
-China Sunergy's South Korea factory was officially established
2013
-China Sunergy's Turkey factory was officially put into operation
-Chairman Tingxiu Lu of the group was elected as the 12th Jiangsu Provincial People's Congress representative
-Awarded the inaugural Jiangsu Province Quality Management Excellence Award
2012
-CEEG signed a strategic cooperation agreement with Dupont in the areas of transformers, solar PV, and new materials
-Started the construction of CEEG Yizheng Solar Industrial Base
-CEEG Won the 2011 Nanjing Mayor Quality Award
-CEEG took the lead in the high-performance PV cell R&D under the National 863 Program
-CEEG Won the title of China Electrical Industry's Most Influential Brand
-CEEG became a certified supplier for Rio Tinto Group
-CEEG Linjiang Industrial Park Phase 2 began to be constructed
-Chairman Lu named Outstanding Builder of Socialism with Chinese Characteristics by the Zhenjiang government
2011
-CEEG joined hands with the Jiangning District Government and the University of New South Wales, Australia, to jointly establish the Photovoltaic Research Center
-CEEG Awarded as one of the Asia's Top 500 Brands
-CEEG Intelligent Technology was founded, to provide energy-efficiency management services and solutions
-CEEG Began mass production of QSAR high-performance cell
-CEEG Named the National Innovative Enterprises
2010
-CEEG (Jiangxi) Jingde Semiconductor New Materials launched production of polycrystalline silicon
-CEEG Broke 10 billion RMB in annual sales
-Completion and operation of the first phase of the amorphous alloy oil-immersed transformer project at the Yangzhong Linjiang Industrial Park
-Celebration of the 20th anniversary of CEEG establishment
-Signing of a strategic partnership agreement with Hitachi Metals
2009
-CEEG (Jiangsu) Co., Ltd founded
2008
-China Sunergy Shanghai Photovoltaic Industry Base held a groundbreaking ceremony
-CEEG Named one of the China Well-Known Trademarks
2007
-China Sunergy launched its IPO, trading on the NASDAQ
-CEEG (Hong Kong) founded
-CEEG won the May Day Labor Award
-CEEG Solar Energy Research Institute was founded, entering the fields of new energy applications and services
-CEEG (Nanjing) Semiconductor Materials was founded in Nanjing Science and Technology Park
-Chairman Lu received the China Public Service Award. CEEG received the China Social Responsibility Award
2006
-Chairman Lu honored the Jiangsu Model Worker
-CEEG Received No.1 of the China Annual Brand Awards
-Completion of CEEG Nanjing Science and Technology Park
2005
-CEEG awarded China's Famous Brand Product by the General Administration of Quality Supervision
-CEEG Awarded the National Inspection-Free Product
-Chairman Tingxiu Lu honored one of the Jiangsu Top 10 Outstanding Young Entrepreneurs
-CEEG signed a strategic agreement with Schneider Electric
2004
-CEEG won the DuPont Global Sales Award
-China Sunergy began to be built and introduced the first 32-MW solar cell production line in China
-Moved to Nanjing, CEEG-Nanjing Science Park inaugurated
2003
-Received the dual green awards of "China Eco-Friendly Enterprise" and "China Eco-Friendly Product"
-CEEG Transformer Co., Ltd (CEEG) officially founded
-CEEG (Jiangsu) Insulation New Materials Co., Ltd founded
2001
-Signed a strategic cooperation agreement with DuPont, establishing the development philosophy of "Go along with giants, keep peace with the world!"
1999
-Cooperated with DuPont to develop the first Nomex® paper dry-type transformer in the industry
1994
-CEEG (Jiangsu) was founded, marking the entry into the transformer industry
1990
-Jiangsu Huadong Microwave Instrument Plant (the predecessor of CEEG) founded
-CEEG independently developed its first-generation product: a microwave detector