That's Egypt – and it's exactly why Cairo has become a magnet for energy storage battery foreign trade. With solar irradiance levels hitting 2,000–3,200 kWh/m² annually (take that, Germany!), Egypt's $2. 1 billion battery storage market is charging up faster than. As Egypt races to meet its 2030 renewable energy targets, the Cairo Energy Storage Group Plant has become the talk of the industry. Operational since Q4 2024, this 560MW/2,240MWh facility isn"t just Imagine a colossal battery quietly powering Africa"s largest metropolis while camels stroll past. A thermal battery is a thermal storage system that captures and stores heat for later use. Thermal batteries offer high density. They can be stored for years without performance degradation. ost renewable energy production.