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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: 08/20/2019

System size (kW) Daily Production Estimate Example panel configuration Approximate Price Range (before 30% federal tax credit)
1.2 kWSummer 5.0 kWh
Winter 2.5 kWh
4 × 300 W
$7,800 - $10,300
1.8 kWSummer 8.5 kWh
Winter 4.0 kWh
6 × 300 W
$8,800 - $14,500
2.7 kWSummer 12.5 kWh
Winter 6.0 kWh
9 × 300 W
$9,900 - $15,600
3.6 kWSummer 17.0 kWh
Winter 8.5 kWh
12 × 300 W
$12,300 - $23,900
4.5 kWSummer 21.0 kWh
Winter 10.5 kWh
15 × 300 W
$13,200 - $24,800
7.2 kWSummer 34.0 kWh
Winter 17.0 kWh
24 × 300 W
$27,600 - $52,100
9 kWSummer 42.5 kWh
Winter 21.0 kWh
30 × 300 W
$29,200 - $53,700
10.8 kWSummer 51.0 kWh
Winter 25.5 kWh
36 × 300 W
$30,900 - $55,400
13.5 kWSummer 60.5 kWh
Winter 30.0 kWh
45 × 300 W
$42,900 - $74,700
14.18 kWSummer 63.5 kWh
Winter 31.5 kWh
45 × 315 W
$44,400 - $76,200
16.2 kWSummer 72.5 kWh
Winter 36.0 kWh
54 × 300 W
$49,600 - $77,200
17.01 kWSummer 76.5 kWh
Winter 38.0 kWh
54 × 315 W
$51,400 - $79,000

These figures are based on complete solar power systems that Wholesale Solar sells. Prices are approximate. Prices do not include 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:

  • Solar modules
  • PV wire and combiner(s)
  • Pre-wired power center
  • IronRidge XR100 roof mount racking
  • And more!
The Cabin Off-Grid Solar Power SystemsPart No.Array Size (STC)Daily Production EstimatePanelsPrice
The Cabin 1.2 kW 4-Panel Canadian Solar Off-Grid Solar System
View Package
18913421.2 kWSummer
5.4 kWh
Winter
2.7 kWh
4 Canadian Solar CS6K-300MS Black Mono Solar Panels
$6,743.00
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The Cabin 1.26 kW 4-Panel Mission Solar Off-Grid Solar System

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18913431.26 kWSummer
5.67 kWh
Winter
2.83 kWh
4 Mission Solar 315 Mono PERC Solar Panels
$6,875.00
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The Cabin 1.8 kW 6-Panel Canadian Solar Off-Grid Solar System
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18915441.8 kWSummer
8.1 kWh
Winter
4.05 kWh
6 Canadian Solar CS6K-300MS Black Mono Solar Panels
$7,299.00
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The Cabin 1.89 kW 6-Panel Mission Solar Off-Grid Solar System

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18914451.89 kWSummer
8.5 kWh
Winter
4.25 kWh
6 Mission Solar 315 Mono PERC Solar Panels
$7,497.00
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The Cabin 2.7 kW 9-Panel Canadian Solar Off-Grid Solar System
View Package
18916462.7 kWSummer
12.15 kWh
Winter
6.07 kWh
9 Canadian Solar CS6K-300MS Black Mono Solar Panels
$8,122.00
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The Cabin 2.84 kW 9-Panel Mission Solar Off-Grid Solar System

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18914472.83 kWSummer
12.76 kWh
Winter
6.38 kWh
9 Mission Solar 315 Mono PERC Solar Panels
$8,419.00
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The Homestead Off-Grid Solar Power Systems

Includes:

  • Solar modules
  • PV wire and combiner(s)
  • Pre-wired power center
  • IronRidge XR100 roof mount racking
  • And more!
The Homestead Off-Grid Solar Power SystemsPart No.Array Size (STC)Daily Production EstimatePanelsPrice
The Homestead 3.6 kW 12-Panel Canadian Solar Off-Grid Solar System
View Package
18916483.6 kWSummer
16.2 kWh
Winter
8.1 kWh
12 Canadian Solar CS6K-300MS Black Mono Solar Panels
$8,990.00
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The Homestead 3.78 kW 12-Panel Mission Solar Off-Grid Solar System

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18914493.78 kWSummer
17.01 kWh
Winter
8.5 kWh
12 Mission Solar 315 Mono PERC Solar Panels
$9,386.00
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The Homestead 4.5 kW 15-Panel Canadian Solar Off-Grid Solar System
View Package
18916504.5 kWSummer
20.25 kWh
Winter
10.12 kWh
15 Canadian Solar CS6K-300MS Black Mono Solar Panels
$9,813.00
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The Homestead 4.73 kW 15-Panel Mission Solar Off-Grid Solar System

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18914514.72 kWSummer
21.26 kWh
Winter
10.63 kWh
15 Mission Solar 315 Mono PERC Solar Panels
$10,308.00
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The Lodge Off-Grid Solar Power Systems

Includes:

  • Solar modules
  • PV wire and combiner(s)
  • Pre-wired power center
  • IronRidge XR100 roof mount racking
  • And more!
The Lodge Off-Grid Solar Power SystemsPart No.Array Size (STC)Daily Production EstimatePanelsPrice
The Lodge 5.4 kW 18-Panel Canadian Solar Off-Grid Solar System
View Package
18916525.4 kWSummer
24.3 kWh
Winter
12.15 kWh
18 Canadian Solar CS6K-300MS Black Mono Solar Panels
$13,497.00
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The Lodge 5.67 kW 18-Panel Mission Solar Off-Grid Solar System

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18914535.67 kWSummer
25.51 kWh
Winter
12.76 kWh
18 Mission Solar 315 Mono PERC Solar Panels
$14,091.00
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The Lodge 7.2 kW 24-Panel Canadian Solar Off-Grid Solar System
View Package
18916557.2 kWSummer
32.4 kWh
Winter
16.2 kWh
24 Canadian Solar CS6K-300MS Black Mono Solar Panels
$21,895.00
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The Lodge 7.56 kW 24-Panel Mission Solar Off-Grid Solar System

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18914547.56 kWSummer
34.02 kWh
Winter
17.01 kWh
24 Mission Solar 315 Mono PERC Solar Panels
$22,687.00
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The Ranch Off-Grid Solar Power Systems

Includes:

  • Solar modules
  • PV wire and combiner(s)
  • Pre-wired power center
  • IronRidge XR100 roof mount racking
  • And more!
The Ranch Off-Grid Solar Power SystemsPart No.Array Size (STC)Daily Production EstimatePanelsPrice
The Ranch 9 kW 30-Panel Canadian Solar Off-Grid Solar System
View Package
18916569 kWSummer
40.5 kWh
Winter
20.25 kWh
30 Canadian Solar CS6K-300MS Black Mono Solar Panels
$23,541.00
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The Ranch 9.45 kW 30-Panel Mission Solar Off-Grid Solar System

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18914579.45 kWSummer
42.52 kWh
Winter
21.26 kWh
30 Mission Solar 315 Mono PERC Solar Panels
$24,531.00
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The Ranch 10.8 kW 36-Panel Canadian Solar Off-Grid Solar System
View Package
189165910.8 kWSummer
48.6 kWh
Winter
24.3 kWh
36 Canadian Solar CS6K-300MS Black Mono Solar Panels
$25,187.00
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The Ranch 11.34 kW 36-Panel Mission Solar Off-Grid Solar System

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189145811.34 kWSummer
51.03 kWh
Winter
25.51 kWh
36 Mission Solar 315 Mono PERC Solar Panels
$26,375.00
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The Ranch 13.5 kW 45-Panel Canadian Solar Off-Grid Solar System
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189175113.5 kWSummer
60.75 kWh
Winter
30.37 kWh
45 Canadian Solar CS6K-300MS Black Mono Solar Panels
$29,927.00
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The Ranch 14.18 kW 45-Panel Mission Solar Off-Grid Solar System

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189075214.17 kWSummer
63.79 kWh
Winter
31.89 kWh
45 Mission Solar 315 Mono PERC Solar Panels
$31,412.00
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The Ranch 16.2 kW 54-Panel Canadian Solar Off-Grid Solar System
View Package
189175616.2 kWSummer
72.9 kWh
Winter
36.45 kWh
54 Canadian Solar CS6K-300MS Black Mono Solar Panels
$32,396.00
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The Ranch 17.01 kW 54-Panel Mission Solar Off-Grid Solar System

View Package
189075717.01 kWSummer
76.55 kWh
Winter
38.27 kWh
54 Mission Solar 315 Mono PERC Solar Panels
$34,178.00
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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 .