If you're planning a utility-scale battery storage installation, you've probably asked: What exactly drives the $1. 5 million price tag for a 10MW system in 2024? Let's cut through industry jargon with real-world cost breakdowns and actionable insights. The ABC of. . Investing in energy storage equipment involves various costs that can vary depending on the type of technology, scale of the system, location, and other factors. Initial capital expenditure can range widely with battery storage systems averaging between $400 to $700 per kilowatt-hour, depending. . This is where things can get a bit complex, because the price of a 10 MW solar power plant can vary quite a bit depending on several factors. The primary factors influencing cost include the type of solar panels, the location of the. . Each year, the U. Department of Energy (DOE) Solar Energy Technologies Office (SETO) and its national laboratory partners analyze cost data for U.