On November 27, 2025 (Thursday), the Incheon Free Economic Zone Authority held a demonstration of the "IFEZ Zero Energy Smart City Integrated Platform Construction Project" at G Tower in Songdo. The demonstration was organized to commemorate the completion of the energy platform construction (TOC) project, which has been promoted since April 2025, and to share the established smart city infrastructure and major services to the outside world. About 20 people attended the event, including Incheon Techno Park, Incheon General Energy Co., Hyundai Engineering & Construction Co., Ltd., Herrit Co., Ltd., JH Co., and related organizations.