Bamako's 2025 project uses this very tech, boasting a 72% round-trip efficiency —up from 55% in older models [5]. A CAES facility storing enough energy to power 200,000 Malian homes for 8 hours. . Ever wondered how to store excess energy as efficiently as squirreling away nuts for winter? Enter 2025 Bamako Compressed Air Energy Storage (CAES), a technology turning heads in Mali's capital. using compressed air in ancient salt caverns. Explore solar-hybrid systems, microgrid solutions, and how companies like EK SOLAR contribute to sustainable energy access across urban and rural areas. Why Mali is Prioritizing Energy Storage. . In 2021, Mali launched one of West Africa's most ambitious energy storage initiatives. With 65% of Mali's population lacking reliable electricity, this project aimed to stabilize grids and integrate solar power.