Cape verde solar container device price Scale of Installation: Residential systems cost $500–$1,200/kWh, while utility-scale projects drop to $300–$800/kWh. Local Infrastructure: Import duties, labor costs, and logistics impact final pricing in island nations like Cape Verde. The project, considered the world's largest. Prices for energy storage containers in Cape Verde range from $80,000 to $300,000, depending on capacity and technology. Below is a breakdown of average costs: Wondering why costs vary so much? Let"s break it down:. The project. Take Sal Island's hybrid project—a solar farm married to mobile lithium batteries that now powers 30% of local hotels. As the photovoltaic (PV) industry continues to evolve.