Summary: Ethiopia has announced a tender for a groundbreaking new energy storage project aimed at stabilizing its renewable energy grid. EK SOLAR specializes in customized energy storage systems for African markets, with 15 completed projects in Ethiopia since 2020. This article explores its technological innovations, environmental impact, and role in stabilizing regional power grids while addressing common questions about large-scale. On the same day, large-scale adjacent projects – including the Phase II of GCL's skid-mounted LNG liquefaction project, natural gas power generation, and oil refining – also broke ground simultaneously. Accordingly, its p wer generation is incorporating different RE sources dominated by hydropower. This paper has reviewed the global up-to-dat status of PHES and Ethiopia's current energy situation and potential PHES.