Your exact number depends on your system size, roof situation, and whether you're planning for batteries. If you're weighing options, start with your roof's vibe and your long-term. . Bottom line, most homeowners drop between $1,500 and $4,500 total for an inverter installed. A solar inverter makes up about 10% of the total cost of your solar energy system. Expect to spend $0.15 to $0.24 per watt on a solar inverter, not. . A solar inverter costs $1,500 to $3,000 total on average for a medium-sized solar-panel system installation. Solar inverter prices depend on the size and whether it's a string inverter, microinverter, or hybrid model. String inverter systems cost less up front, but systems using microinverters last. . Each year, the U.S. Department of Energy (DOE) Solar Energy Technologies Office (SETO) and its national laboratory partners analyze cost data for U.S. solar photovoltaic (PV) systems to develop cost benchmarks. These benchmarks help measure progress toward goals for reducing solar electricity costs. . Investing in large solar energy projects, commonly known as utility-scale solar, involves various costs that can influence the overall success and feasibility of the project. Understanding these costs is crucial for anyone considering such investments, from business owners to government officials.. NLR analyzes the total costs associated with installing photovoltaic (PV) systems for residential rooftop, commercial rooftop, and utility-scale ground-mount systems. This work has grown to include cost models for solar-plus-storage systems. NLR's PV cost benchmarking work uses a bottom-up. . How much does an inverter cost for solar panels? Most homeowners pay $1,500–$4,500 installed, including equipment and labour. Solar inverters are essential for converting solar panel energy into usable home power. Costs range from $1,000–$4,000 depending on type, size, and features.