Dubbed Walo Storage, the EUR-40-million (USD 46. 6m) solar-plus-storage plant entered commercial operation on July 14, Africa REN said on Wednesday. The project was designed to improve grid stability, deliver energy during peak demand hours and provide backup power in case of. . Urgent need to stabilize the grid, due to the high share of renewable production in the energy mix. Senegal has begun commercial operations at a new solar energy facility that combines photovoltaic power with lithium-ion battery. . The project has been touted by the developer as the first solar PV facility in the region to be combined with lithium-ion battery storage Described as a first for West Africa, a solar PV installation with battery storage project dedicated to frequency regulation has been commissioned in Senegal. . Dakar, Senegal, August 7, 2025 – Just one year after laying the foundation stone, Africa REN announces the commercial commissioning of Walo Storage, the first photovoltaic facility in West Africa combined with lithium-ion battery storage, designed for frequency regulation and to meet local energy. . Dakar, Senegal, August 7, 2025 – Just one year after laying the foundation stone, Africa REN announces the commercial commissioning of Walo Storage, the first photovoltaic facility in West Africa combined with lithium-ion battery storage, designed for frequency regulation and to meet local energy. . Senegal and sustainable infrastructure developer Africa REN have commissioned the Walo Storage facility in Bokhol, marking the first grid-connected solar-plus-battery installation of its kind in West Africa. The €40 million project includes a 16 MW photovoltaic plant paired with a 10 MW/20 MWh. .