The average cost of an off-grid solar panel system can range from $15,000 to $30,000 or more, depending on the size of the system and the equipment used.
According to industry experts, the average cost of an off-grid solar panel system in 2026 is around $20,000 to $40,000, with prices varying depending on the location, system size, and installation company.
A study by North Carolina State University found that the average cost of an off-grid solar energy system is around $18,000 to $35,000, with a payback period of 5-10 years.
Use our free off-grid solar panel system cost calculator to estimate the cost of your system, including the cost of panels, batteries, inverters, and installation.
The United Nations Environment Programme (UNEP) reports that off-grid solar panel systems can be a cost-effective solution for remote areas, with costs ranging from $10,000 to $25,000 or more per system.
Watch our video guide to learn more about off-grid solar energy systems, including the costs, benefits, and installation process.
The Database of State Incentives for Renewables & Efficiency (DSIRE) provides information on off-grid solar panel system costs and incentives, including tax credits and rebates.
Solar Energy International (SEI) offers training and resources on designing and installing off-grid solar energy systems, including information on system costs, sizing, and installation best practices.