Off Grid Solar System Cost: What You Will Pay in 2026
Written by HyreSolar Research Desk Price compilation from published, dated sources
The short answer
Off Grid Solar System Cost depends mainly on system size, equipment and roof, and this page gives the installed range from dated, sourced quotes. Across 12 published, dated sources retrieved October 22, 2026, an installed off-grid system for a whole home runs $40,000–$69,500.
Kit and DIY equipment prices are listed below the range but not counted in it, because they exclude labor, permits and usually the generator. No 30% federal credit applies to a system a homeowner buys: Section 25D ended for expenditures after December 31, 2025 (what changed).
When you are ready
Ready to explore solar for your home?
If you have done your research and want to speak with a solar professional, HyreSolar can help you explore available options.
Free, with no obligation: a person at HyreSolar reads your request and gets back to you about it. Matching with solar professionals is not live yet, so this is not a quote, and nothing is shared with anyone until you agree.
Keep learningInstalled price range (15 quotes, dated)
Whole-home off-grid solar system, installed total: $40,000–$69,500, the median low to the median high across the 12 comparable published figures below (3 more are listed in other units or bases and are not averaged in). The full spread runs from $10,000 to $120,000.
| Source | Published figure | Basis | Source date | Retrieved |
|---|---|---|---|---|
| This Old House | $45,000 to $65,000 | average off-grid home system | 2025-06-11 | 2026-10-22 |
| Entropy Survival | $40,000 to $70,000 | installed whole-home | not stated (2026) | 2026-10-22 |
| SolarSunLabs | $45,000 to $65,000 | installed, 15-30 kWh/day home | not stated (2026) | 2026-10-22 |
| Rediscover Rural | $32,500 to $69,500 | installed, 10 kW family home | not stated (kit prices listed 2026-10-09) | 2026-10-22 |
| Jouleio | $32,500 to $69,500 | installed, typical family home | 2026-03-24 | 2026-10-22 |
| EnergySage | $115,000 | solar-plus-storage, average-sized house ('or more') | 2026-06-29 | 2026-10-22 |
| GreenLifeZen | $40,000 to $65,000 | full residential, turnkey professional install (table) | 2026-08-17 | 2026-10-22 |
| SolarPriceList | $29,800 to $65,000 | medium home system, 10 kW solar + 40 kWh battery | 2026-04-22 | 2026-10-22 |
| Anker SOLIX | $10,000 to $30,000 | whole house, 4 kW to 16 kW, price stated to include installation (equipment seller) | 2023-06-15 | 2026-10-22 |
| SolarGenReview | $50,000 to $120,000 | installed, average US home incl. backup generator | not stated (2026) | 2026-10-22 |
| NuWatt Energy | $50,000 to $100,000 | average US home, 10-20 kW array, 40-60+ kWh storage | not stated (2026) | 2026-10-22 |
| Forbes Home | $40,000 to $70,000 | average range | not stated | 2026-10-22 |
| Off-Grid Solar Guide | $25,000 to $50,000 ((installation not stated)) | mid-size system 5-10 kWh/day; installation not stated | 2026-09-29 | 2026-10-22 |
| Krato Power | $9,000 to $17,000 ((kit, not installed)) | complete kit, not installed | 2026-10-06 | 2026-10-22 |
| The Solar Lab | $28,000 ((DIY equipment, not installed)) | DIY equipment, excludes labor and permits | not stated (2026) | 2026-10-22 |
Each row is a figure as the source states it, gross of incentives, not adjusted by us. The headline range is a HyreSolar calculation over these rows. No 30% federal credit is subtracted: Section 25D ended for expenditures after December 31, 2025.
Compare quotes from vetted solar installers Battery sizing tool
What moves the price of an off-grid system
Battery capacity moves the total most. A grid-tied home uses the grid as its storage; an off-grid home has to carry every night, every cloudy week and every winter in its own battery bank.
Days of autonomy, the number of days the batteries can run the house with no sun, is the single specification that separates a modest quote from a very large one.
Several of the sources we read put the battery bank at half or more of the total.
Winter, not average, sizes the array. An off-grid array is sized so that the worst month still refills the batteries, which in northern states means far more panels than a grid-tied system for the same house.
All-electric loads, a well pump, electric cooking and heat pumps push both the array and the battery up. Cutting loads first, with propane cooking or a wood stove, is usually cheaper than buying capacity.
The rest of the system is equipment a grid-tied home does not need: an off-grid or hybrid inverter that can form its own grid, charge controllers, a generator and transfer switch for long dark spells, and often a separate battery enclosure.
Compare the whole package against what the utility would charge to extend a line to the property; that comparison, not the electric bill, is what usually decides whether off-grid makes sense.
Price by home and setup
The sourced range above is for an installed whole-home system. These are the setups on either side of it.
| If your project is | Read | Why it differs |
|---|---|---|
| A cabin or part-time property | Below the range | Smaller daily load and fewer days of autonomy. |
| A conventional home, propane for heat and cooking | Within the range | The load most published whole-home figures describe. |
| An all-electric home with heat pumps or an EV | Above the range | Winter loads drive the battery and array far up. |
| Staying on the grid with backup instead | Whole home battery backup · Panels with battery | The grid covers long dark spells, so storage is smaller. |
| A ground array on rural land | Ground mount | Racking and trenching replace roof attachment. |
How to check a quote
- 1Get the days of autonomy and usable battery kWh
Usable, not nameplate. Two quotes with different autonomy are not comparable on price.
- 2Ask which month the array was sized for
A system sized to the annual average will run short in December.
- 3Confirm the generator and transfer switch are included
Most designs rely on one for long cloudy periods; leaving it out flatters the total.
- 4Get a line-extension quote from the utility
It is the real alternative to an off-grid system and the number to compare against.
- 5Check local rules before you buy
Some jurisdictions restrict or condition occupancy of a home without a grid connection; ask the building department first.
Questions
How much does an off-grid solar system cost for a house?
Why is off-grid so much more than grid-tied solar?
Can I build it myself for less?
Is there a federal tax credit for off-grid solar?
HyreSolar does not install or finance solar systems. The figures above are other publishers’ published prices, dated and linked; none is a quote for your property. Prices vary with location, roof, equipment, electrical work and financing.