In the 1950s, flywheel-powered buses, known as , were used in () and () and there is ongoing research to make flywheel systems that are smaller, lighter, cheaper and have a greater capacity. It is hoped that flywheel systems can replace conventional chemical batteries for mobile applications, such as for electric vehicles. Proposed flywh.
[pdf] A 23 MW solar power facility with 8 MWh of battery storage was officially opened in the Gambia. This project is part of the Gambia Power Restoration and Modernization Project (GERMP), which aims to provide universal access to power by 2025.
[pdf] An emergency power system is an independent source of electrical power that supports important electrical systems on loss of normal power supply. A standby power system may include a , batteries and other apparatus. Emergency power systems are installed to protect life and property from the consequences of loss of primary electric power supply. It is a type of
[pdf] 
