How Delta’s Energy Storage Solutions Enhance Grid Reliability and Stability in Taiwan

Taipei, TAIWAN – To combat rising electricity demand and power outages, Taiwanese company Delta Electronics (Delta) is developing energy storage systems that aim to improve power stability by storing renewable energy.

Founded in 1971, the company initially focused on consumer electronics such as linear power supplies. Recognizing the need for improved energy efficiency, Delta has branched out into various sectors. Today, Delta offers a range of solutions designed specifically to facilitate the energy transition for governments around the world. These include energy storage and power conditioning systems to support and regulate the power grid, wind and solar inverters for efficient renewable energy generation, smart meter connectivity solutions for advanced metering infrastructure (AMI), and EV chargers and charging management systems for safe and efficient vehicle charging.

Increasing network reliability and stability:

Alessandro Sossa, Delta Electronics Corporate Communications Director, highlighted Delta’s commitment to promoting sustainable energy solutions, stating: “Collectively, our solutions facilitate the implementation of smart grids with distributed renewable energy resources and AMI to efficiently manage demand and supply. They can also improve the efficiency of energy infrastructure while supporting electric transportation in various scenarios, thus accelerating the transition to a low-carbon future.”

Regarding the role of energy storage systems, Sossa explains: “As renewable energy systems become more widespread and connected to the main grid, energy storage systems will play a key role in regulating the grid frequency. They not only provide voltage regulation at the source by smoothing the renewable energy and reducing the rate of change to ensure a stable supply of renewable energy to the grid, but also provide real-time correction by charging and discharging at any time in line with the changes in the grid frequency. Once the penetration of renewable energy reaches a certain point, effective energy shifting systems must be implemented to balance demand and supply to solve the duck curve problem.”

He highlights the transformative impact of efficient energy storage systems, noting that “These systems convert renewable energy into a dispatchable and stable source of power, enabling traditional generating units to operate continuously with improved fuel efficiency and lower carbon emissions. The ability to efficiently dispatch existing generating unit capacity and convert it to backup power also means that investments in new generating units can be deferred.”

Delta Smart Microgrids:

Delta’s smart microgrids are equipped with advanced energy storage solutions and energy management software. These systems include MW-level energy storage units housed in containers, using efficient batteries capable of rapid energy discharge. This capability enables effective stabilization of electricity supply from the grid, especially in regions such as the islands around Taiwan that are prone to disruptions caused by events such as typhoons.

With a response time of 0.3 seconds to grid shortages, power conditioning systems integrate stored energy back into the grid. This approach increases grid stability and resilience, ensuring reliable electricity supply even in difficult weather conditions. This technology aims to create smart microgrids that not only improve energy efficiency but also strengthen the resilience of local power grids to natural disasters.

Delta completes construction of Taipower’s largest energy storage system on Kinmen Island:

Delta recently completed the installation of the largest Taipower energy storage system on Kinmen Island, marking a significant milestone in Taiwan’s energy infrastructure development. The comprehensive solution includes a 1MWh lithium-ion battery energy storage system (BESS), a 2MW power conditioning system (PCS), an energy management system (EMS) and environmental management systems. Designed to enhance grid stability, the system provides rapid backup power within 200 milliseconds of a generator failure and maintains stability during the integration of new infrastructure.

Taipower President Ping-Li Chung praised Delta’s role in developing the smart grid initiative on Kinmen Island, stating: “Delta has actively invested in the smart grid field and demonstrated its capabilities with this energy storage system. It will play a key role in stabilizing our grid and supporting the integration of renewable energy sources.”

Delta President Ping Cheng emphasized the company’s commitment to sustainable energy solutions and smart city development, noting, “It is an honor to participate in the creation of Taipower’s largest energy storage system for the Kinmen smart grid demonstration island. This system demonstrates our expertise in energy infrastructure and our commitment to advance Taiwan’s energy transformation efforts.”

Delta’s energy storage system not only improves grid efficiency and reliability, but also serves as a model for future smart grid projects in Taiwan. The successful implementation on Kinmen Island highlights the importance of innovative energy solutions in modernizing Taiwan’s energy infrastructure and supporting its transition to cleaner and more sustainable energy sources.

A bright future for Taiwan:

Looking to the future, Sossa foresees a shift to microgrids, stating, “Once a balance is achieved between renewables and the grid, the current energy infrastructure will effectively be replaced by microgrids rather than a large power grid. In this way, the energy infrastructure will become more localized, meaning that any incidents will be localized without affecting the grid as a whole, while also ensuring that locally produced renewable energy is used more efficiently.”

Discussing residential energy solutions, Sossa says, “Eventually, all buildings will have their own energy storage systems that can supply or secure their own energy.” He adds, “Combining PV and energy storage systems in homes is already being implemented by industry leaders like Tesla and Shell. Such systems act as emergency power sources, provide backup to vulnerable grids, act as virtual power plants in regions, and enable real-time monitoring of distributed energy.”