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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: 04/25/2019

System size (kW) Daily Production Estimate Example panel configuration Approximate Price Range (before 30% federal tax credit)
1.12 kWSummer 5.5 kWh
Winter 2.5 kWh
4 × 280 W
$7,600 - $10,200
1.68 kWSummer 8.5 kWh
Winter 4.0 kWh
6 × 280 W
$8,900 - $14,600
2.52 kWSummer 12.5 kWh
Winter 6.0 kWh
9 × 280 W
$9,800 - $15,500
3.36 kWSummer 17.0 kWh
Winter 8.5 kWh
12 × 280 W
$11,900 - $23,600
4.2 kWSummer 22.5 kWh
Winter 11.0 kWh
15 × 280 W
$13,000 - $24,700
6.72 kWSummer 30.0 kWh
Winter 15.0 kWh
24 × 280 W
$21,600 - $45,200
8.4 kWSummer 37.5 kWh
Winter 18.5 kWh
30 × 280 W
$23,000 - $46,600
9.45 kWSummer 42.5 kWh
Winter 21.0 kWh
30 × 315 W
$25,300 - $48,900
10.08 kWSummer 45.0 kWh
Winter 22.5 kWh
36 × 280 W
$29,100 - $48,000
11.34 kWSummer 51.0 kWh
Winter 25.5 kWh
36 × 315 W
$31,800 - $50,700
12.6 kWSummer 56.5 kWh
Winter 28.0 kWh
45 × 280 W
$37,600 - $44,300
14.18 kWSummer 63.5 kWh
Winter 31.5 kWh
45 × 315 W
$41,000 - $47,700
15.12 kWSummer 68.0 kWh
Winter 34.0 kWh
54 × 280 W
$39,700 - $46,400
17.01 kWSummer 76.5 kWh
Winter 38.0 kWh
54 × 315 W
$43,800 - $50,500

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 1.12 kW 4-Panel Astronergy Off-Grid Solar System
View Package
18913441.12 kWSummer
5.04 kWh
Winter
2.52 kWh
4 Astronergy CHSM6610P-280 Silver Poly Solar Panels
$6,575.00
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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 1.68 kW 6-Panel Astronergy Off-Grid Solar System
View Package
18914441.68 kWSummer
7.56 kWh
Winter
3.78 kWh
6 Astronergy CHSM6610P-280 Silver Poly Solar Panels
$7,047.00
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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 2.52 kW 9-Panel Astronergy Off-Grid Solar System
View Package
18914462.52 kWSummer
11.34 kWh
Winter
5.67 kWh
9 Astronergy CHSM6610P-280 Silver Poly Solar Panels
$7,744.00
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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 3.36 kW 12-Panel Astronergy Off-Grid Solar System
View Package
18914483.36 kWSummer
15.12 kWh
Winter
7.56 kWh
12 Astronergy CHSM6610P-280 Silver Poly Solar Panels
$8,486.00
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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 4.2 kW 15-Panel Astronergy Off-Grid Solar System
View Package
18914504.2 kWSummer
18.9 kWh
Winter
9.45 kWh
15 Astronergy CHSM6610P-280 Silver Poly Solar Panels
$9,183.00
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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 5.04 kW 18-Panel Astronergy Off-Grid Solar System
View Package
18907255.04 kWSummer
22.68 kWh
Winter
11.34 kWh
18 Astronergy CHSM6610P-280 Silver Poly Solar Panels
$11,294.00
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The Lodge 5.67 kW 18-Panel Mission Solar Off-Grid Solar System

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18913315.67 kWSummer
25.51 kWh
Winter
12.76 kWh
18 Mission Solar 315 Mono PERC Solar Panels
$12,644.00
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The Lodge 6.72 kW 24-Panel Astronergy Off-Grid Solar System
View Package
18907356.72 kWSummer
30.24 kWh
Winter
15.12 kWh
24 Astronergy CHSM6610P-280 Silver Poly Solar Panels
$16,343.00
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The Lodge 7.56 kW 24-Panel Mission Solar Off-Grid Solar System

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18913067.56 kWSummer
34.02 kWh
Winter
17.01 kWh
24 Mission Solar 315 Mono PERC Solar Panels
$18,143.00
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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 8.4 kW 30-Panel Astronergy Off-Grid Solar System
View Package
18907408.4 kWSummer
37.8 kWh
Winter
18.9 kWh
30 Astronergy CHSM6610P-280 Silver Poly Solar Panels
$17,730.00
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The Ranch 9.45 kW 30-Panel Mission Solar Off-Grid Solar System

View Package
18913119.45 kWSummer
42.52 kWh
Winter
21.26 kWh
30 Mission Solar 315 Mono PERC Solar Panels
$19,987.00
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The Ranch 10.08 kW 36-Panel Astronergy Off-Grid Solar System
View Package
189074510.08 kWSummer
45.36 kWh
Winter
22.68 kWh
36 Astronergy CHSM6610P-280 Silver Poly Solar Panels
$19,124.00
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The Ranch 11.34 kW 36-Panel Mission Solar Off-Grid Solar System

View Package
189131611.34 kWSummer
51.03 kWh
Winter
25.51 kWh
36 Mission Solar 315 Mono PERC Solar Panels
$21,786.00
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The Ranch 12.6 kW 45-Panel Astronergy Off-Grid Solar System
View Package
189075012.6 kWSummer
56.7 kWh
Winter
28.35 kWh
45 Astronergy CHSM6610P-280 Silver Poly Solar Panels
$27,636.00
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The Ranch 14.18 kW 45-Panel Mission Solar Off-Grid Solar System

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189132114.17 kWSummer
63.79 kWh
Winter
31.89 kWh
45 Mission Solar 315 Mono PERC Solar Panels
$31,018.00
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The Ranch 15.12 kW 54-Panel Astronergy Off-Grid Solar System
View Package
189075515.12 kWSummer
68.04 kWh
Winter
34.02 kWh
54 Astronergy CHSM6610P-280 Silver Poly Solar Panels
$29,727.00
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The Ranch 17.01 kW 54-Panel Mission Solar Off-Grid Solar System

View Package
189132417.01 kWSummer
76.55 kWh
Winter
38.27 kWh
54 Mission Solar 315 Mono PERC Solar Panels
$33,784.00
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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 .