TCC's 35 MW E-dReg Energy Storage System in Su'ao Commences Operations, Capturing 72% Market Share in Taipower's Highest-Value Electricity Trading Item

TCC launched the 35MW E-dReg energy storage system in Su'ao, Yilan, on April 15th, officially joining national grid company Taiwan Power Company's (Taipower) electricity trading platform. The E-dReg (Enhanced Dynamic Regulation) currently boasts the highest average clearing price among electricity trading items. TCC has now become the largest aggregator of electricity trading in Taiwan. TCC holds 72% of the E-dReg energy storage capacity, with a total of 145MW in Taiwan, showcasing tangible returns. By the end of this year, the 50MW E-dReg energy storage system in the eastern region will also be gradually connected to the grid in two phases, further solidifying TCC's leading position in Taiwan's energy storage field and demonstrating strong support for the energy transition.

On Taipower's electricity trading platform, the dReg (Dynamic Regulation Reserve) primarily serves for grid frequency adjustment. The capacity of on-grid connection exceeds Taipower's demand, leading to heightened challenges in daily bidding operations. TCC has deployed long-duration energy storage projects in Yilan and Hualien, both of which are E-dReg systems. Designed by NHOA, a subsidiary of TCC based in Italy, these systems feature long-duration energy storage, grid frequency adjustment, and energy shifting service to the grid.

Due to the composite nature of E-dReg energy storage, which entails higher technical requirements, it can store surplus electricity and discharge it as needed to meet Taipower's scheduling requirements. It also enables “peak shaving,” further enhancing energy usage efficiency and environmental friendliness. Although E-dReg energy storage system requires 2.5 times more batteries than dReg system, which incurs higher costs, it has become the mainstream option in the market due to its dual functions of grid frequency adjustment and electricity shifting service to the grid, particularly amid the rapid increase in green energy generation.

Starting from April, the average electricity price for industrial electricity users has increased by 13.5%. Additionally, the growing demand for energy storage systems from data centers employing AI applications is further boosting the demand for time-of-use electricity pricing among corporate users. Among the available options in the market, TCC’s EnergyArk, a fire-resistant cement made energy storage cabinet, stands out as a safety solution. This solution is complemented by exclusive product liability insurance, providing customers with peace of mind by covering financial losses incurred due to energy storage-related fires, such as damage to factory equipment. TCC's subsidiary, Energy Helper, assists large-scale manufacturing and technology companies in implementing energy storage systems within their premises. These systems participate in Taipower's s-Reg electricity trading projects and provide comprehensive virtual power plant services, including peak shaving, capacity reduction, and uninterrupted power supply. This optimization aims to maximize the economic benefits of energy storage while minimizing the waste of national grid resources.