Home and business buyers typically pay a wide range for Battery Energy Storage Systems (BESS), driven by capacity, inverter options, installation complexity, and local permitting. This guide presents cost and price ranges in USD to help plan a budget and compare quotes. The information focuses on. . The battery storage technologies do not calculate levelized cost of energy (LCOE) or levelized cost of storage (LCOS) and so do not use financial assumptions. For companies like CNTE (Contemporary Nebula Technology Energy Co.