GIGAette’s KOICA CTS Seed 1 project concluded in July 2025. Starting in April 2024, it developed and demonstrated a thermal battery heating solution in the new-town area of Tsetserleg, Arkhangai Province, Mongolia.
Demonstrating thermal storage in Tsetserleg
With local partner EKH Golomtiin, GIGAette supplied a plant capable of storing up to 1.5 MWh of heat. The system used water as its heat-storage medium to suit local conditions, storing electrically generated heat for district heating.
The heating plant opening ceremony took place in April 2025. The final project report confirmed 188 direct beneficiaries among Tsetserleg residents.
The field experience and partnerships developed through Seed 1 formed a foundation for the subsequent KOICA CTS Seed 2 district-heating expansion.