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About altPOWER
altPOWER specializes in grid-tied and off-grid residential and commercial solar installations. It installs products from SMA, SunPower and Xantrex. Services areas extend worldwide.
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altPOWER service areas
altPOWER performs solar installation services worldwide.
Average solar cost by service area
Solar panel costs vary based on your location and other factors. The map below shows average overall prices in altPOWER’s service areas to give you a general idea of what to expect. Your specific energy needs, panel efficiency and other variables could make your costs higher or lower than these averages.
Average solar panel cost by state
| Average cost per watt | Typical system size | Average cost after ITC | Payback period | Estimated net savings | |
|---|---|---|---|---|---|
| Alabama | $2.45 | 11.5 kW | $19,723 | 10 years | $28,590 |
| Alaska | $2.41 | 6 kW | $10,122 | 9 years | $34,500 |
| Arizona | $2.44 | 11.5 kW | $21,011 | 7 years | $23,891 |
| Arkansas | $2.85 | 11 kW | $19,558 | 11 years | $15,567 |
| California | $3.06 | 4.5 kW | $11,466 | 7 years | $30,000 |
| Colorado | $3.44 | 7.5 kW | $14,123 | 11 years | $14,479 |
| Connecticut | $3.20 | 7.5 kW | $14,700 | 7 years | $42,705 |
| Delaware | $2.85 | 9.5 kW | $17,157 | 10 years | $29,016 |
| Florida | $2.53 | 11.5 kW | $20,367 | 8 years | $21,500 |
| Georgia | $2.95 | 11 kW | $19,635 | 10 years | $23,182 |
| Hawaii | $2.67 | 5.5 kW | $10,280 | 6 years | $49,459 |
| Idaho | $3.01 | 10 kW | $18,200 | 13 years | $11,478 |
| Illinois | $3.18 | 7.5 kW | $14,333 | 5 years | $16,585 |
| Indiana | $3.66 | 9.5 kW | $17,822 | 12 years | $21,994 |
| Iowa | $3.49 | 9 kW | $17,451 | 12 years | $17,572 |
| Kansas | $2.87 | 9 kW | $16,317 | 10 years | $21,455 |
| Kentucky | $3.19 | 11 kW | $18,018 | 12 years | $20,247 |
| Louisiana | $3.15 | 12.5 kW | $22,488 | 9 years | $13,646 |
| Maine | $3.57 | 5.7 kW | $11,886 | 9 years | $25,880 |
| Maryland | $3.01 | 10 kW | $19,390 | 10 years | $21,395 |
| Massachusetts | $3.53 | 6.5 kW | $13,377 | 7 years | $33,013 |
| Michigan | $3.37 | 7 kW | $13,769 | 10 years | $23,652 |
| Minnesota | $3.29 | 8 kW | $15,904 | 12 years | $17,546 |
| Mississippi | $2.64 | 11.5 kW | $21,252 | 12 years | $20,147 |
| Missouri | $2.82 | 10.5 kW | $19,037 | 10 years | $18,292 |
| Montana | $2.42 | 9 kW | $16,002 | 10 years | $15,189 |
| Nebraska | $2.83 | 10.5 kW | $20,801 | 12 years | $13,421 |
| Nevada | $2.57 | 10 kW | $17,640 | 8 years | $18,319 |
| New Hampshire | $3.65 | 6.5 kW | $13,241 | 8 years | $28,409 |
| New Jersey | $3.00 | 7 kW | $13,573 | 7 years | $23,806 |
| New Mexico | $3.28 | 7 kW | $13,132 | 9 years | $15,413 |
| New York | $3.35 | 6.5 kW | $13,423 | 7 years | $24,387 |
| North Carolina | $2.78 | 6 kW | $13,815 | 12 years | $20,035 |
| North Dakota | $2.42 | 11 kW | $18,634 | 12 years | $26,028 |
| Ohio | $2.75 | 9.5 kW | $16,128 | 10 years | $19,272 |
| Oklahoma | $2.56 | 11 kW | $20,174 | 9 years | $14,190 |
| Oregon | $3.05 | 9.5 kW | $17,290 | 13 years | $15,648 |
| Pennsylvania | $3.05 | 8.5 kW | $15,173 | 8 years | $23,634 |
| Rhode Island | $3.61 | 6 kW | $11,928 | 8 years | $34,519 |
| South Carolina | $2.80 | 11 kW | $20,944 | 8 years | $24,561 |
| South Dakota | $2.39 | 10.5 kW | $17,566 | 11 years | $22,923 |
| Tennessee | $3.23 | 12 kW | $20,916 | 13 years | $19,688 |
| Texas | $2.64 | 8.5 kW | $21,654 | 8 years | $21,350 |
| Utah | $2.62 | 8 kW | $15,008 | 10 years | $10,202 |
| Vermont | $3.30 | 6 kW | $12,054 | 10 years | $26,468 |
| Virginia | $3.04 | 11 kW | $21,175 | 10 years | $21,692 |
| Washington | $3.05 | 10 kW | $18,830 | 16 years | $10,846 |
| West Virginia | $2.85 | 11 kW | $20,328 | 11 years | $19,893 |
| Wisconsin | $3.34 | 7 kW | $12,740 | 11 years | $21,005 |
| Wyoming | $2.57 | 9 kW | $16,191 | 9 years | $14,959 |
Note: Costs in this table are average costs for the state and do not represent specific company pricing. "Average cost after ITC” reflects the cost after receiving the full 30% solar investment tax credit (ITC). “Estimated net savings” is the average amount residents in that state will save on electricity over 25 years, including their cost of installing a solar energy system.
Solar panel cost by state
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Iowa
- Indiana
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- Ohio
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- Wisconsin
Solar incentives by state
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Colorado
- Connecticut
- Delaware
- Florida
- Georgia
- Hawaii
- Idaho
- Illinois
- Iowa
- Indiana
- Kansas
- Kentucky
- Louisiana
- Maine
- Maryland
- Massachusetts
- Michigan
- Mississippi
- Missouri
- Montana
- Nebraska
- Nevada
- New Hampshire
- New Jersey
- New Mexico
- New York
- North Carolina
- Ohio
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Vermont
- Virginia
- Washington
- Wisconsin
Equipment brands sold by altPOWER
As a solar installer, altPOWER manufactures its own equipment, and offers equipment from the following brands:
- General Electric
- SMA
- SunPower
- Xantrex
FAQ
When was altPOWER founded?
altPOWER was founded in 1998.
How altPOWER compares
Compare altPOWER on customer reviews, availability and payment options below. Read our guide to finding the best solar energy company for more.
| Company | Customer rating | Availability | Payment options | |
|---|---|---|---|---|
 | No ratingView profile | Worldwide | Undisclosed | Learn more |
 | 3.1 | Nationwide | Yes | Learn more |
altPOWER Company Information
- Company Name:
- altPOWER
- Year Founded:
- 1998
- Address:
- 85 Broad St.
- City:
- New York
- State/Province:
- NY
- Postal Code:
- 10004
- Country:
- United States
- Website:
- www.altpower.com
Check out our buyers guide top picks
Our Buyers Guide Top Picks:
Freedom Solar Energy Reviews