Energy Storage News•3 months ago
250MWh ‘Sand Battery’ to start construction in Finland, for both heating and ancillary services
Key Takeaway
This project highlights the emergence of large-scale, long-duration thermal energy storage as a viable solution for decarbonizing industrial heat and district heating, offering new opportunities for developers and energy consumers.
AI Summary
- •A 250MWh thermal energy storage (TES) 'Sand Battery' with 2MW heating power and 125-hour duration is under construction in Finland, marking a significant step for long-duration thermal storage.
- •This project showcases a scalable, non-chemical battery alternative for district heating and industrial process heat, offering developers a new pathway for decarbonization and energy independence.
- •Large energy consumers with significant heating demands can explore this technology for cost-effective, long-duration thermal storage, potentially leveraging it for grid ancillary services.
Topics
emissionsoemstorage
Article Content
Technology provider Polar Night Energy and utility Lahti Energia have partnered for a large-scale project using Polar’s ‘Sand Battery’ technology for the latter’s district heating network in Vääksy, Finland. The project will have a heating power of 2MW and a thermal energy storage (TES) capacity of 250MW, making it a 125-hour system and the largest […]