Best Off-Grid Solar Systems: Top Picks and Price Guide

Off-grid solar systems are a solid investment when you want to reduce your reliance on nonrenewable energy sources and unpredictable rate spikes.

The best off-grid system for you depends on what you need it to power, how much you’re willing to spend, and how reliable you want it to be.

In this guide, we’ll walk you through the top off-grid solar systems available right now. You will learn what kind of setup each system is best for and how much you can expect to pay.

3 Best Off-Grid Solar Systems and Prices

Without any discounts or incentives, the solar systems in our inventory at The Solar Store costs between $6,595 and $39,000. 

But the federal solar tax credit in places like Oregon, where we operate, can knock 30% off the price. In this review we focus on the price of these fantastic off-grid solar systems and their features. 

1. Most Powerful System: 19.2kW Off-Grid Solar Power System

2. Best Mid-Range Option: 8.1kW Complete Off-Grid Solar Power System

3. Best Budget-Friendly System: 3.24kW EG4 Off-Grid Solar Power System

A small home typically requires a system ranging from 1,000 W to 3,000 W, depending on energy consumption. The best way to determine the appropriate system size is to evaluate your daily energy usage.

We prepared a separate guide to show you the step-by-step process on how to evaluate your daily energy usage which will determine the type of off-grid system you invest in. 

But you can skip the process and contact our experts for a one-on-one conversation. On the call, you will be guided on what system suits your needs best. Let’s now review these top picks in more detail. 

1. The 19.2kW Off-Grid Solar Power System

The 19.2kW Off-Grid Solar System is one of the strongest setups you can get for a home or small business.

It can handle huge energy needs, including air conditioners and large appliances, without any help from the main power grid.

This system is a great fit for large houses, off-grid cabins, or farm buildings that want to be fully self-powered.

KEY FEATURES

• 48 Bifacial solar panels (405W each) so the total output is 19.44kW

• 14.3 kWh EG4 LiFePO4 batteries with over 6,000 charge cycles and low maintenance.

• Inverter is 30,000 W, 120/240 V split phase. It will handle heavy power loads and work with both regular (120V) and high-power (240V) appliances.

• Comes with all necessary cables, connectors, and safety breakers for a smooth and secure setup.

• Real-time energy tracking and smart battery control to extend battery life and boost efficiency.

WHY WE RECOMMEND THIS SYSTEM

• Exceptionally high power output (19.2kW)

• Ideal for whole-home or commercial use

• Includes high-efficiency bifacial off-grid Solar panels

• Comes with a powerful 30,000W inverter

• Long-lasting lithium battery bank (LiFePO4)

2. The 8.1kW Complete Off-Grid Solar Power System

The 8.1kW Complete Off-Grid Solar Power System is a great choice for medium to large homes, remote cabins, or anyone who wants to live off the grid without spending too much.

It provides reliable electricity for everyday needs like running a fridge, lights, a water pump, a TV, and even some heavy-duty appliances.

KEY FEATURES:

• 20 bifacial module solar panels (405W for each to produce 8.1kW of power)

• EG4 LifePower4 LiFePO4 (10.2kWh) battery bank 

• Inverter delivers 6kW of steady power and supports both everyday appliances and larger equipment. It can also connect to a generator.

• Includes tough, rust-resistant mounts for roof or ground setups.

• Comes with all necessary wires, disconnects, and safety boxes. All parts meet safety codes and are UL-listed

• On-screen display and mobile app let you track system performance, battery status, and spot issues quickly.

WHY WE RECOMMEND THIS SYSTEM

• Great capacity for most full-time off-grid households

• Compatible with 240V appliances

• Lower cost than large-scale systems

• Expandable with additional panels or batteries

3. The 3.24kW EG4 Off-Grid Solar Power System

This system is ideal for anyone looking to transition smoothly into off-grid living or set up a smart backup for emergencies. 

Whether it’s for a cabin, weekend getaway home, or a grid-tied house that needs extra power support, the 3.24kW EG4 system is a practical and reliable choice.

KEY FEATURES:

• 8 Bifacial solar panels (405W for each to produce 3.24kW power in total)

• 5.12kWh EG4 LiFePO4 battery bank with 6,000 charge cycles.

• EG4 6000XP inverter (6,000W, 120/240V)

• Adjustable aluminum mounts for rooftop or ground use; weather-resistant and easy to install.

• Includes all necessary wires, breakers, and fuses. UL-listed for safe and compliant installation.

• View real-time power stats and battery health using the built-in display or connected mobile app.

WHY WE RECOMMEND THIS SYSTEM:

• Affordable full-kit solution for basic off-grid needs

• Compatible with both 120V and 240V devices

• Compact and easy to install

• Great as a standalone or backup power setup

According to reports from families who use off-grid solar systems published on ConsumerAffairs, On average, it takes off-grid solar panels approximately 11.7 years to pay for themselves in Oregon.

Also, over 25 years, Oregon homeowners with solar panels avoid $35,464 in total utility costs on average. In other words, using any of these off-grid solar systems is a long-term investment. 

If you have questions or are ready to get a quote for a full system, please reach out or go to our QUOTE ME form to get a free quote. Contact us: info@thesolarstore.com

FAQs

Can I live fully off-grid with solar?

Yes, with a properly sized system that meets your energy needs, it's possible to live entirely off-grid. However, ensure your system includes sufficient battery storage. You also consider and keep a backup generator for extended cloudy periods. 

How long do off-grid solar batteries last?

Battery lifespan depends on the type, usage, and maintenance. Generally, AGM (absorbent glass mat) batteries last 3 to 5 years, lithium-ion batteries last 10 to 15 years, and LiFePO4 (lithium iron phosphate) batteries last 15 to 20 years.