Off-grid solar systems cost $ 45,000–$65,000 on average. That's more than double the cost of a standard residential system. Below, we break down everything you need to know about going off-grid, including key factors that determine costs, how to build a system, and top. . Off-grid solar systems cost an average of $45,000–$65,000. Read our guide to determine whether this expense is worth it for your home. Clicking “Get Your Estimate” submits your data to All Star Pros, which will process your data in accordance with the All Star Pros Privacy Policy. By submitting. . On average, off-grid solar panels cost about $55,000 but can range from $20,000 for smaller, older panels to $100,000 and more for bigger, more complicated systems. Being armed with this information is a key starting point in figuring out how to go off-grid, what you'll need in order to pull it off. . This guide breaks down the real costs of building an off-grid solar system in 2025—and shows you how to make smart space-saving choices while you're at it. System Size 2. Solar Panels 3. Inverter 5. The cost of an off-grid solar system depends on the system size, type, complexity, location, and the type and quality of the components included. Whether you're powering a small cabin or a full home, options like the Rich Solar Nova 6500S, EcoFlow DELTA Max Solar Generator, Off-grid living means relying solely on your own energy systems. . Off-grid solar systems typically cost between $45,000-$65,000 for a complete home setup, significantly more than grid-tied systems that average $15,000-$20,000. Battery storage represents the largest expense in an off-grid system, often accounting for 30-40% of the total system cost. Your location. .