Solar off-grid system cost

How much does an off-grid solar system cost in 2025?

When it comes to the cost of an off-grid solar system in 2025, it really depends on a few things like the size of the system, how much energy you need, and where you live. On average, you can expect to spend anywhere from $10,000 to $50,000 for a fully installed system, but let’s break it down to give you a better idea.

How much does an on-grid solar system cost?

On-grid systems are built to support energy needs but do not serve as your only electricity source. This means they’re smaller and cost less than off-grid options. The average cost of solar panels for an on-grid, 5 kilowatt-hour (kWh) system is $15,000–$20,000. An off-grid system costs more than twice as much.

How much does an off-grid energy system cost?

We recommend including an alternate energy source to support your home during extended periods without direct sunlight. The average off-grid system costs around $55,000, but this price varies based on system size, type, and additional components.

What is the difference between off-grid solar and on-grid solar?

Subject to grid outages. Off-grid systems are ideal for those seeking energy autonomy or living in remote areas where the public grid is unavailable. In contrast, on-grid solar systems are better suited for homes and businesses with stable access to the grid but wanting to offset energy costs.