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Off-Grid Solar Systems: Ballpark Estimated Costs



Putting together an off-grid system on your own can be a bit mind boggling, especially when you're trying to figure out your costs. To help alleviate some of the work, the renewable energy experts here at Wholesale Solar have put together some pre-designed packages. We have a wide variety of packages from small systems to power only a few key loads to large packages that will power an entire house.

See the cost guide below, so you can get an idea of your needs and what you might be spending. If you click on each system example below, you'll be able to see what components are included in a given off-grid package. Bear in mind that the costs below will be lower when you apply your 30 percent federal tax credit.

Browse all of our Off Grid Systems.


Last updated: 11/20/2017

System size (W) Estimated monthly output (kWh) Example panel configuration Approximate price (before 30% federal tax credit)
1000 W146 kWh/mo4 × 270 W$6900
2000 W328 kWh/mo9 × 270 W$8900
3000 W437 kWh/mo12 × 270 W$9700
4000 W546 kWh/mo15 × 270 W$10700
5000 W725 kWh/mo18 × 295 W$17700
6000 W874 kWh/mo24 × 270 W$18600
7000 W966 kWh/mo24 × 295 W$20100
8000 W1093 kWh/mo30 × 270 W$20600
9000 W1311 kWh/mo36 × 270 W$22700
10000 W1449 kWh/mo36 × 295 W$24100
12000 W1639 kWh/mo45 × 270 W$31000
13000 W1812 kWh/mo45 × 295 W$33800
14000 W1967 kWh/mo54 × 270 W$33800
15000 W2174 kWh/mo54 × 295 W$37100

These figures are based on complete solar power systems that Wholesale Solar sells. Prices are approximate. Prices do not include racking, batteries, freight, tax, or installation.

Why are smaller systems sometimes more expensive than larger ones? Because higher-efficiency panels cost more. For example, to get a 10 kW system, you can either use 35 285W panels or 39 260W panels. Even though you need more 260W panels (they are less efficient), economies of scale actually make them more affordable. So when would you want to use higher-efficieny panels? Only when you're limited on roof/ground space and need to squeeze the most power out of every available square foot. In other words, more efficient panels cost more but can generate more power per square area. If you're not limited by space, we suggest you go with the best price per watt instead.





Complete Off-grid Packages


The Cabin Off-Grid Solar Power Systems

Includes:

The Cabin Off-Grid Solar Power SystemsPart No.Array Size (STC)Daily Production EstimatePanelsPrice
The Cabin 1.08 kW 4-Panel Astronergy Off-Grid Solar System18907001.08 kWSummer
4.86 kWh
Winter
2.43 kWh
4 Astronergy CHSM6610P-270 Solar Panels
$6,924.00
$6,231.60
Qty

10% Discount As Shown

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The Cabin 1.16 kW 4-Panel SolarWorld Off-Grid Solar System
Made in America
18913451.16 kWSummer
5.22 kWh
Winter
2.61 kWh
4 SolarWorld SW290 Plus Black/Black 5BB Mono Solar Panels
$7,212.00
$6,490.80
Qty

10% Discount As Shown

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The Cabin 1.62 kW 6-Panel Astronergy Off-Grid Solar System18907051.62 kWSummer
7.29 kWh
Winter
3.64 kWh
6 Astronergy CHSM6610P-270 Solar Panels
$7,950.00
$7,155.00
Qty

10% Discount As Shown

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The Cabin 1.77 kW 6-Panel SolarWorld Off-Grid Solar System
Made in America
18913501.77 kWSummer
7.97 kWh
Winter
3.98 kWh
6 SolarWorld SW295 Plus Black 5BB Mono Solar Panels
$8,333.00
$7,499.70
Qty

10% Discount As Shown

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The Cabin 2.43 kW 9-Panel Astronergy Off-Grid Solar System18907102.43 kWSummer
10.93 kWh
Winter
5.47 kWh
9 Astronergy CHSM6610P-270 Solar Panels
$8,904.00
$8,013.60
Qty

10% Discount As Shown

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The Cabin 2.66 kW 9-Panel SolarWorld Off-Grid Solar System
Made in America
18913352.65 kWSummer
11.95 kWh
Winter
5.97 kWh
9 SolarWorld SW295 Plus Black 5BB Mono Solar Panels
$9,467.00
$8,520.30
Qty

10% Discount As Shown

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The Homestead Off-Grid Solar Power Systems

Includes:

The Homestead Off-Grid Solar Power SystemsPart No.Array Size (STC)Daily Production EstimatePanelsPrice
The Homestead 3.24 kW 12-Panel Astronergy Off-Grid Solar System18907153.24 kWSummer
14.58 kWh
Winter
7.29 kWh
12 Astronergy CHSM6610P-270 Solar Panels
$9,709.00
$8,738.10
Qty

10% Discount As Shown

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The Homestead 3.54 kW 12-Panel SolarWorld Off-Grid Solar System
Made in America
18913403.54 kWSummer
15.93 kWh
Winter
7.97 kWh
12 SolarWorld SW295 Plus Black 5BB Mono Solar Panels
$10,446.00
$9,401.40
Qty

10% Discount As Shown

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The Homestead 4.05 kW 15-Panel Astronergy Off-Grid Solar System18907204.05 kWSummer
18.22 kWh
Winter
9.11 kWh
15 Astronergy CHSM6610P-270 Solar Panels
$10,705.00
$9,634.50
Qty

10% Discount As Shown

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The Homestead 4.43 kW 15-Panel SolarWorld Off-Grid Solar System
Made in America
18913004.43 kWSummer
19.91 kWh
Winter
9.96 kWh
15 SolarWorld SW295 Plus Black 5BB Mono Solar Panels
$11,622.00
$10,459.80
Qty

10% Discount As Shown

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The Lodge Off-Grid Solar Power Systems

Includes:

The Lodge Off-Grid Solar Power SystemsPart No.Array Size (STC)Daily Production EstimatePanelsPrice
The Lodge 4.86 kW 18-Panel Astronergy Off-Grid Solar System18907254.86 kWSummer
21.87 kWh
Winter
10.93 kWh
18 Astronergy CHSM6610P-270 Solar Panels
$15,330.00
$13,797.00
Qty

10% Discount As Shown

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The Lodge 5.31 kW 18-Panel SolarWorld Off-Grid Solar System
Made in America
18913305.31 kWSummer
23.89 kWh
Winter
11.95 kWh
18 SolarWorld SW295 Plus Black 5BB Mono Solar Panels
$17,725.00
$15,952.50
Qty

10% Discount As Shown

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The Lodge 6.48 kW 24-Panel Astronergy Off-Grid Solar System18907356.48 kWSummer
29.16 kWh
Winter
14.58 kWh
24 Astronergy CHSM6610P-270 Solar Panels
$18,623.00
$16,760.70
Qty

10% Discount As Shown

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The Lodge 7.08 kW 24-Panel SolarWorld Off-Grid Solar System
Made in America
18913057.08 kWSummer
31.86 kWh
Winter
15.93 kWh
24 SolarWorld SW295 Plus Black 5BB Mono Solar Panels
$20,135.00
$18,121.50
Qty

10% Discount As Shown

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The Ranch Off-Grid Solar Power Systems

Includes:

The Ranch Off-Grid Solar Power SystemsPart No.Array Size (STC)Daily Production EstimatePanelsPrice
The Ranch 8.1 kW 30-Panel Astronergy Off-Grid Solar System18907408.1 kWSummer
36.45 kWh
Winter
18.22 kWh
30 Astronergy CHSM6610P-270 Solar Panels
$20,609.00
$18,548.10
Qty

10% Discount As Shown

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The Ranch 8.85 kW 30-Panel SolarWorld Off-Grid Solar System
Made in America
18913108.85 kWSummer
39.82 kWh
Winter
19.91 kWh
30 SolarWorld SW295 Plus Black 5BB Mono Solar Panels
$21,881.00
$19,692.90
Qty

10% Discount As Shown

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The Ranch 9.72 kW 36-Panel Astronergy Off-Grid Solar System18907459.72 kWSummer
43.74 kWh
Winter
21.87 kWh
36 Astronergy CHSM6610P-270 Solar Panels
$22,674.00
$20,406.60
Qty

10% Discount As Shown

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The Ranch 10.62 kW 36-Panel SolarWorld Off-Grid Solar System
Made in America
189131510.62 kWSummer
47.79 kWh
Winter
23.89 kWh
36 SolarWorld SW295 Plus Black 5BB Mono Solar Panels
$24,057.00
$21,651.30
Qty

10% Discount As Shown

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The Ranch 12.15 kW 45-Panel Astronergy Off-Grid Solar System189075012.15 kWSummer
54.67 kWh
Winter
27.34 kWh
45 Astronergy CHSM6610P-270 Solar Panels
$31,009.00
$27,908.10
Qty

10% Discount As Shown

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The Ranch 13.28 kW 45-Panel SolarWorld Off-Grid Solar System
Made in America
189132013.27 kWSummer
59.74 kWh
Winter
29.87 kWh
45 SolarWorld SW295 Plus Black 5BB Mono Solar Panels
$33,790.00
$30,411.00
Qty

10% Discount As Shown

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The Ranch 14.58 kW 54-Panel Astronergy Off-Grid Solar System189075514.58 kWSummer
65.61 kWh
Winter
32.8 kWh
54 Astronergy CHSM6610P-270 Solar Panels
$33,819.00
$30,437.10
Qty

10% Discount As Shown

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The Ranch 15.93 kW 54-Panel SolarWorld Off-Grid Solar System
Made in America
189132515.93 kWSummer
71.68 kWh
Winter
35.84 kWh
54 SolarWorld SW295 Plus Black 5BB Mono Solar Panels
$37,140.00
$33,426.00
Qty

10% Discount As Shown

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*Array size = Total watts of the panels.
**Monthly Output varies according to day length and quality of light. We have used Array Size X 30 days X 5 hours.
***Prices do not include shipping, racking, batteries, installation or applicable taxes and may change daily. Current pricing: (1-800-472-1142 .