Abstract-- This study aims to investigate the effectiveness of Unified Power Quality Conditioners (UPQC) in reducing the power quality issues and harmonics caused by non-linear loads in the. MONBAT GROUP is a fast-grow-ing company which manufactures lead-acid batteries and high ener-gy Lithium-ion cells for a large as-sortment of applications. The integration of these variable energy sources into national energy grids will largely depend on storage technologies, and among them especially batteries, to provide the flexibility required to smooth the energy supply w ich expected to reach. Tunisia high solar energy storage ca led power production capacity and produces 83. With solar irradiance levels exceeding 2,000 kWh/m² annually, the country offers fertile ground for solar+storage solutions. Tunisia's. It integrates photovoltaic and energy storage control, has built-in EMS intelligent management, and supports multiple battery types. (PDF) Power Management in Three-Phase.