The systems, which can store clean energy as heat, were chosen by readers as the 11th Breakthrough Technology of 2024. We need heat to make everything from steel bars to ketchup packets. Today, a ...

A new study in Periodica Polytechnica Mechanical Engineering explores how domestic electric water heaters can be used as thermal energy storage units when paired with photovoltaic (PV) systems. This ...

According to the 2022 microcensus by the Federal Statistical Office, nearly 1.6 million households use electric heaters. The vast majority are likely night storage heaters—a technology from the 1950s.

Boston-based Cala Systems is reimagining heat pump water heaters as intelligent thermal batteries that can store excess solar energy, shift consumption to cheaper hours, and support the grid. Using ...