If you're planning a solar energy system, the 24 volt photovoltaic inverter is a critical component. But how much should you budget for one? Prices typically range from $150 to $800+, depending on brand, efficiency, and features. Let's break down what drives these costs and how to find the best. . Expect to spend $0. You may save $1,000 to $2,500 up-front by. . However, you can also get an inverter prepackaged together with a charge controller, battery and other components by buying a solar generator. The good news is, once you know the types, features, and factors that influence cost, it's much easier to plan your budget smartly.