“The system converts renewable electricity into heat, stores it in sand, and delivers it for on-demand industrial heating,” said the company in a press release.
Finland is leading the race to decarbonise industrial heat emissions, using sand to produce fossil-free steam.
Briefing A novel sand-based thermal energy storage system has been demonstrated to provide on-demand, high-temperature heat for industrial processes, solving the long-standing
By channelling excess energy from the grid and locally produced solar and wind energy to heat up sand to a whopping 842 degrees Fahrenheit (450 degrees Celsius), this new sand battery can...
A sand battery is an energy storage system that uses ordinary sand to store excess renewable energy as heat. Instead of relying on expensive lithium or rare minerals, sand provides a
In the town of Kankaanpää, western Finland, engineers have built the world''s first commercial-scale sand battery, using low-cost, abundant sand to store excess renewable energy as
Sand batteries are high-temperature thermal energy storage systems that use sand (or similar materials) to store heat generated from excess renewable electricity like solar or wind.
Finland is turning one of the planet''s most ordinary materials into a high impact climate tool, using hot sand to store vast amounts of energy and release it as heat when homes and factories
By circulating the sand through an external heat exchanger, the system delivers steam with up to ten times higher heat transfer efficiency compared to conventional static storage systems.
Finnish firm TheStorage uses sand to store renewable heat, cutting industrial fuel use and emissions.
Scelto Energy Africa is a leading energy storage equipment manufacturer and integrator based in South Africa, serving the African market. We specialize in lithium-ion batteries for residential, commercial and industrial use, system-level battery management systems (BMS) for optimal performance and safety, energy conversion systems (PCS) for efficient power flow, energy storage battery system cabinets with integrated monitoring, communication cabinets for telecom and data centres, commercial & industrial energy storage cabinets for factories and warehouses, integrated PV-storage systems for seamless solar plus storage operation, distributed energy resources for microgrids and off-grid applications, and deep discharge battery technology for extended cycling. As a full-service provider, we also offer containerised BESS, modular battery racks, backup emergency power, and zero‑carbon microgrids. Our advanced lithium‑ion and sodium‑ion solutions ensure safety, scalability, and high performance for residential, commercial, industrial, and utility projects across Africa.
Our modular energy storage portfolio ranges from compact lithium-ion batteries to 20ft/40ft mobile containers and outdoor all-in-one storage cabinets with IP54 protection. We are a leading energy storage equipment manufacturer, offering communication cabinets for 5G/telecom, server racks for data centers, and IP54 rated enclosures for harsh environments. Our stackable design allows flexible capacity expansion, while our grid-forming technology ensures stable off‑grid operation. Whether for off‑grid power systems, backup emergency power, integrated PV-storage or large zero‑carbon parks, our products feature advanced thermal management, deep discharge cycling, and compliance with African and international standards. We also provide professional energy storage system installation and after‑sales support across Africa.