Publication: After a careful reviewing process, all accepted papers after proper registration and presentation, will be published into Journal of Physics: Conference Series (JPCS), which indexed by EI Compendex and Scopus. Publication History: PEEE 2023 - Journal of Physics: Conference Series (JPCS), Volume 2689 - Ei Compendex and Scopus PEEE 2022 - Energy Reports Volume 9, Supplement 3 - Science Citation Index Expanded (SCIE), Ei Compendex and Scopus PEEE 2020 - E3S Web of Conferences, Volume 231 (2021) - Ei Compendex and Scopus PEEE 2019 - E3S Web of Conferences, Volume 152 (2020) - Ei Compendex and Scopus Contact: Ms. Bailey Zhou Email: This email address is being protected from spambots. You need JavaScript enabled to view it. Tel: +852-36789835 (HK) / +86-15008402564 (China)