Solar off-grid storage costs

What is the cost of an off-grid solar system?

Installing an off-grid solar plus storage system can cost up to $150,000 or more. Renogy, WindyNation, and ECO-WORTHY all produce high-quality off-grid solar panel kits for generating your own off-grid power. The term 'off the grid' refers to living autonomously without any connection to a utility for power.

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.

Does an off-grid solar system work with a large home?

Yes, off-grid systems work with any residential home, even larger ones. Off-grid systems work best for remote homes or those with limited access to utility power. Due to their size and power capacity, off-grid systems are more expensive than grid-tied solar systems.

How much does a solar system cost?

Most homes need a 5- to 10-kW system to generate enough energy for a standalone solar power system. For comparison, a 5- to 10-kW grid-tied solar panel system costs $15,000 to $45,000 installed on average. Get free estimates from solar panel installers near you. What are off-grid solar systems?

How much does an off-grid AC system cost?

An AC system with a backup generator is the most complete and redundant system for off-grid use. These systems handle your home’s energy use and operate in emergency situations. The cost of an off-grid AC system with a generator falls between $42,000 to $75,000. Off-grid solar systems comprise three basic components.

Can a solar system power a home off the grid?

Going off-grid with solar requires a significant amount of energy storage. An off-grid solar system can power a shed or a portion of your home, but it's usually not practical or cost-effective for an entire home. On average, you would need around 12 solar batteries to go off the grid.