*Prices are shown after applying the 30% federal tax credit.
As of Apr 2024, the average cost of solar panels in Washington Navy Yard is $2.98 per watt making a typical 6000 watt (6 kW) solar system $12,510 after claiming the 30% federal solar tax credit now available.
This is lower than the average price of residential solar power systems across the United States which is currently $3.00 per watt.
The size of a solar panel system also plays a role in how much the installation will cost.
Larger solar installations will typically have a lower cost per watt, because the panels can be purchased at a ‘bulk price’. However, these larger solar systems will still have a higher total cost, because they are made up of more individual panels.
System size* | Avg cost per watt |
Avg system cost
(After tax credit) show before tax |
---|---|---|
4kW | $3.26 | $9,121 |
5kW | $3.12 | $10,913 |
6kW | $2.98 | $12,510 |
7kW | $2.95 | $14,458 |
8kW | $3.01 | $16,842 |
9kW | $2.89 | $18,179 |
10kW | $2.86 | $20,003 |
Best unit price
$320.00 ($0.96 per watt)
Best system price
Installed 5.0kW system
$12,721.85
($2.53 p/w)
LG335N1K-V5 overview
Rated power
335 watts
Efficiency
19.6
Number of Cells
60
Cell type
Monocrystalline/N-type
Manufactured
KR
Best unit price
$562.50 ($1.50 per watt)
Best system price
Installed 4.9kW system
$12,120.18
($2.49 p/w)
LG375A1C-V5 overview
Rated power
375 watts
Efficiency
21.7
Number of Cells
60
Cell type
Monocrystalline/N-type
Manufactured
KR
Best unit price
$430.00 ($1.15 per watt)
Best system price
Installed 4.9kW system
$12,919.30
($2.65 p/w)
LG375Q1C-V5 overview
Rated power
375 watts
Efficiency
21.7
Number of Cells
60
Cell type
Monocrystalline/N-type
Manufactured
KR
Best unit price
$473.34 ($1.30 per watt)
Best system price
Installed 5.1kW system
$13,231.07
($2.59 p/w)
LG365Q1K-V5 overview
Rated power
365 watts
Efficiency
21.1
Number of Cells
60
Cell type
Monocrystalline/N-type
Manufactured
KR
Best unit price
$432.00 ($1.20 per watt)
Best system price
Installed 5.0kW system
$13,276.66
($2.63 p/w)
LG360Q1K-V5 overview
Rated power
360 watts
Efficiency
20.8
Number of Cells
60
Cell type
Monocrystalline/N-type
Manufactured
US
Best unit price
$530.85 ($1.50 per watt)
Best system price
Installed 5.0kW system
$12,386.87
($2.49 p/w)
LG355Q1K-V5 overview
Rated power
355 watts
Efficiency
20.6
Number of Cells
60
Cell type
Monocrystalline/N-type
Manufactured
US
Best unit price
$495.00 ($1.38 per watt)
Best system price
Installed 5.0kW system
$13,091.06
($2.60 p/w)
LG360Q1C-V5 overview
Rated power
360 watts
Efficiency
20.8
Number of Cells
60
Cell type
Monocrystalline/N-type
Manufactured
US
Best unit price
$407.97 ($1.10 per watt)
Best system price
Installed 5.2kW system
$13,159.30
($2.54 p/w)
LG370Q1C-V5 overview
Rated power
370 watts
Efficiency
21.4
Number of Cells
60
Cell type
Monocrystalline/N-type
Manufactured
US
Best unit price
$323.39 ($0.97 per watt)
Best system price
Installed 5.0kW system
$12,691.01
($2.53 p/w)
LG335N1C-V5 overview
Rated power
335 watts
Efficiency
19.6
Number of Cells
60
Cell type
Monocrystalline/N-type
Manufactured
US
Best unit price
$338.19 ($0.99 per watt)
Best system price
Installed 5.1kW system
$0.00
($0.00 p/w)
LG340N1C-V5 overview
Rated power
340 watts
Efficiency
19.8
Number of Cells
60
Cell type
Monocrystalline/N-type
Manufactured
US
Best unit price
$600.00 ($1.83 per watt)
Best system price
Installed 4.9kW system
$12,808.41
($2.61 p/w)
SPR-E20-327-COM overview
Rated power
327 watts
Efficiency
20.4
Number of Cells
96
Cell type
Monocrystalline
Manufactured
US
Best unit price
$800.00 ($2.22 per watt)
Best system price
Installed 5.0kW system
$13,201.67
($2.62 p/w)
SPR-X22-360 overview
Rated power
360 watts
Efficiency
22.2
Number of Cells
96
Cell type
Monocrystalline
Manufactured
US
Best unit price
$620.00 ($1.90 per watt)
Best system price
Installed 4.9kW system
$13,703.10
($2.79 p/w)
SPR-E20-327-D-AC overview
Rated power
327 watts
Efficiency
20.4
Number of Cells
96
Cell type
Monocrystalline
Manufactured
US
Best unit price
$620.00 ($1.90 per watt)
Best system price
Installed 4.9kW system
$13,610.59
($2.77 p/w)
SPR-E20-327 overview
Rated power
327 watts
Efficiency
20.4
Number of Cells
96
Cell type
Monocrystalline
Manufactured
US
Best unit price
$181.00 ($0.60 per watt)
Best system price
Installed 5.1kW system
$11,003.04
($2.16 p/w)
CS6K-300MS overview
Rated power
300 watts
Efficiency
18.33
Number of Cells
60
Cell type
Monocrystalline
Manufactured
CA
Best unit price
$196.11 ($0.65 per watt)
Best system price
Installed 5.1kW system
$9,948.02
($1.95 p/w)
LR6-60-HPB-300M overview
Rated power
300 watts
Efficiency
18.1
Number of Cells
120
Cell type
Mono PERC
Manufactured
CN
Best unit price
$172.00 ($0.56 per watt)
Best system price
Installed 4.9kW system
$9,568.53
($1.96 p/w)
LR6-60-HPB-305M overview
Rated power
305 watts
Efficiency
18.4
Number of Cells
120
Cell type
Mono PERC
Manufactured
CN
Best unit price
$165.00 ($0.53 per watt)
Best system price
Installed 5.0kW system
$9,761.72
($1.97 p/w)
LR6-60-HPB-310M overview
Rated power
310 watts
Efficiency
18.7
Number of Cells
120
Cell type
Mono PERC
Manufactured
CN
Best unit price
$228.00 ($0.60 per watt)
Best system price
Installed 4.9kW system
$9,579.65
($1.94 p/w)
LR4-60HPH-380M overview
Rated power
380 watts
Efficiency
20.9
Number of Cells
120
Cell type
Mono PERC
Manufactured
CN
Best unit price
$234.00 ($0.60 per watt)
Best system price
Installed 5.1kW system
$10,126.74
($2.00 p/w)
LR6-72HBD-390M overview
Rated power
390 watts
Efficiency
19.4
Number of Cells
144
Cell type
Mono PERC
Manufactured
CN
4.92 370 Reviews
JLF, 2 weeks ago
Lumina installed my solar system about three weeks ago, and it is already up and running. The experience from day 1 -- sales representative, schedulers, installers, etc. -- was excellent on all counts. Installation went according to schedule with no hiccups. I chose Lumina as the first among three firms that I investigated, and received bids. In addition to be the best value for the money in terms of the quality of panels, microinverters, installation hardware, critter guards., I found them to be the most honest regarding estimating real production given shading cover on the south side of my house. Another firm suggested that their proposed system would deliver 100% of capacity, which was not the case. Still another firm wanted me to cut down some trees (a non starter). Lumina also used the Aurora solar modeling software in which the Lumina representative worked with me (interactively) to develop the best design given the tree cover, roof angle, etc. We were able to test different designs in which we varied the number of panels, their placement, etc. There was no hard sell pressure, and the sales rep. explained with detail and clarity all issues related to warranties, risks, solar bonds, Maryland grants, and federal tax credits. The price paid was the price quoted. I should state that my goal was never 100% coverage of my electricity consumption. I will be happy with 70%. Finally, as the case with all solar companies Lumina runs a financial model estimating the number of years until payback of the investment (due to savings in one's electricity bill). While Lumina's model is sound, it does not account for the cost of money (discount rate). However, this is not a criticism. I know of no other company that uses a discount rate in their modeling.
Read more
JLF, 2 weeks ago
Lumina installed my solar system about three weeks ago, and it is already up and running. The experience from day 1 -- sales representative, schedulers, installers, etc. -- was excellent on all counts. Installation went according to schedule with no hiccups. I chose Lumina as the first among three firms that I investigated, and received bids. In addition to be the best value for the money in terms of the quality of panels, microinverters, installation hardware, critter guards., I found them to be the most honest regarding estimating real production given shading cover on the south side of my house. Another firm suggested that their proposed system would deliver 100% of capacity, which was not the case. Still another firm wanted me to cut down some trees (a non starter). Lumina also used the Aurora solar modeling software in which the Lumina representative worked with me (interactively) to develop the best design given the tree cover, roof angle, etc. We were able to test different designs in which we varied the number of panels, their placement, etc. There was no hard sell pressure, and the sales rep. explained with detail and clarity all issues related to warranties, risks, solar bonds, Maryland grants, and federal tax credits. The price paid was the price quoted. I should state that my goal was never 100% coverage of my electricity consumption. I will be happy with 70%. Finally, as the case with all solar companies Lumina runs a financial model estimating the number of years until payback of the investment (due to savings in one's electricity bill). While Lumina's model is sound, it does not account for the cost of money (discount rate). However, this is not a criticism. I know of no other company that uses a discount rate in their modeling.
4.25 35 Reviews
Mike M., 2 weeks ago
Spoiler alert: Ipsun is truly amazing, and I would recommend no one else. After obtaining quotes from over 15 companies in the area, I ultimately decided to go with Ipsun. While they weren't the cheapest, they also weren't the most expensive; they fell on the more affordable end within the middle of the pack. What set Ipsun apart was their extensive knowledge of the technology and their ability to tailor solutions specifically to my situation. They were the ONLY company familiar with Dominion standby fees and helped me avoid them, significantly reducing my ROI timeframe. Moreover, they brought in experts pre-sale to ensure that every aspect of the system design met my expectations and needs. During the installation process, their professionalism shone through. The team working on our house was not only friendly but also took great care to ensure that the installation was clean, serviceable, and seamlessly integrated with my home. I've had neighbors inquire about our solar system, and I always recommend Ipsun without hesitation. Unfortunately, some of these neighbors opted for other companies, including nationally known ones, and are now facing issues such as being charged Dominion standby fees due to poorly designed systems or struggling with support from their installers. Personally, I've only had to reach out to Ipsun once, and they promptly resolved the minor issue, demonstrating their efficiency and dedication to customer satisfaction. Ipsun caters to both residential and commercial clients, and their robust business model indicates their commitment to longevity in the industry. Unlike companies that might simply ride the wave of the solar trend, Ipsun demonstrates solid planning and management, ensuring their longevity. They are knowledgeable both from a business and technical perspective, and their team stays abreast of the latest offerings in the solar industry for the benefit of their customers. I am thoroughly impressed with Ipsun, and as you can tell, I am a very satisfied customer!
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Mike M., 2 weeks ago
Spoiler alert: Ipsun is truly amazing, and I would recommend no one else. After obtaining quotes from over 15 companies in the area, I ultimately decided to go with Ipsun. While they weren't the cheapest, they also weren't the most expensive; they fell on the more affordable end within the middle of the pack. What set Ipsun apart was their extensive knowledge of the technology and their ability to tailor solutions specifically to my situation. They were the ONLY company familiar with Dominion standby fees and helped me avoid them, significantly reducing my ROI timeframe. Moreover, they brought in experts pre-sale to ensure that every aspect of the system design met my expectations and needs. During the installation process, their professionalism shone through. The team working on our house was not only friendly but also took great care to ensure that the installation was clean, serviceable, and seamlessly integrated with my home. I've had neighbors inquire about our solar system, and I always recommend Ipsun without hesitation. Unfortunately, some of these neighbors opted for other companies, including nationally known ones, and are now facing issues such as being charged Dominion standby fees due to poorly designed systems or struggling with support from their installers. Personally, I've only had to reach out to Ipsun once, and they promptly resolved the minor issue, demonstrating their efficiency and dedication to customer satisfaction. Ipsun caters to both residential and commercial clients, and their robust business model indicates their commitment to longevity in the industry. Unlike companies that might simply ride the wave of the solar trend, Ipsun demonstrates solid planning and management, ensuring their longevity. They are knowledgeable both from a business and technical perspective, and their team stays abreast of the latest offerings in the solar industry for the benefit of their customers. I am thoroughly impressed with Ipsun, and as you can tell, I am a very satisfied customer!
4.19 35 Reviews
Anonymous, over 1 month
Borrego Solar sold off their residential business. The people that they sold it to have folded. No one responds to my inquires about system warranty service. Up a $35000.00 creek without a paddle it seems.
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Average cost (5kW system)
$42,750 ($8.55 per watt)
Anonymous, over 1 month
Borrego Solar sold off their residential business. The people that they sold it to have folded. No one responds to my inquires about system warranty service. Up a $35000.00 creek without a paddle it seems.
4.17 10 Reviews
Kapil, over 1 month
My system was installed about 4 yeats back in Dec 2019 and it was one of the most competitive quote I had got that time. Installation was as promised with complete satisfaction. Fast forward 4 years, I have had three issues (not related to the installation, normal unpredictable breakdowns), Chip and Elena not only promptly adressed them, they went above and beyond and covered the labor that was not covered under warranty and would have costed me a few hundred dollars. More than the money aspect, their professional and friendly approach to service is the best part. A happy and fully satisfied customer.
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Kapil, over 1 month
My system was installed about 4 yeats back in Dec 2019 and it was one of the most competitive quote I had got that time. Installation was as promised with complete satisfaction. Fast forward 4 years, I have had three issues (not related to the installation, normal unpredictable breakdowns), Chip and Elena not only promptly adressed them, they went above and beyond and covered the labor that was not covered under warranty and would have costed me a few hundred dollars. More than the money aspect, their professional and friendly approach to service is the best part. A happy and fully satisfied customer.
4.17 4 Reviews
Will.Brett21, over 1 month
Installation went really well. My Project Co-ordinator Fred communicated with me on weekly basis at every step to confirm I knew what's going on with my project and what was next. I've been very happy with my choice for solar installation.
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Will.Brett21, over 1 month
Installation went really well. My Project Co-ordinator Fred communicated with me on weekly basis at every step to confirm I knew what's going on with my project and what was next. I've been very happy with my choice for solar installation.
3.75 1 Reviews
Anonymous, over 1 month
This is a reputable company. Rep Brian Gonzalez made the whole process smooth and hassle-free. I'm very happy with my solar panels and enjoying a $9 a month power bill.
Read more
Average cost (5kW system)
$24,800 ($4.96 per watt)
Anonymous, over 1 month
This is a reputable company. Rep Brian Gonzalez made the whole process smooth and hassle-free. I'm very happy with my solar panels and enjoying a $9 a month power bill.
3.75 1 Reviews
Robert Kilworth, over 1 month
With contractors having a reputation for being not being on time and finishing within a predetermined agreed time; Via Solar finished the work the work as promised, on time and was very fairly priced. They were even nice enough to call back a few weeks later to check on if we had any questions or needed any assistance with our new system.
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Average cost (5kW system)
$26,800 ($5.36 per watt)
Robert Kilworth, over 1 month
With contractors having a reputation for being not being on time and finishing within a predetermined agreed time; Via Solar finished the work the work as promised, on time and was very fairly priced. They were even nice enough to call back a few weeks later to check on if we had any questions or needed any assistance with our new system.
3.75 1 Reviews
Edward MacAllister, over 1 month
We've wanted to go solar for some time because of rising energy costs and environmental concerns, but hesitated because the process seemed complicated. Finally pulled the trigger late last year after Uprise patiently walked us through every step, explained every issue, and answered all of my questions. Financially speaking: it's a no-brainer with energy cost savings AND income from selling SRECs. And can't overstate how easy Uprise made the installation, dealing with the DC govt. and the SREC broker. Finally, Uprise is a locally owned and operated company, invest in DC!
Read more
Edward MacAllister, over 1 month
We've wanted to go solar for some time because of rising energy costs and environmental concerns, but hesitated because the process seemed complicated. Finally pulled the trigger late last year after Uprise patiently walked us through every step, explained every issue, and answered all of my questions. Financially speaking: it's a no-brainer with energy cost savings AND income from selling SRECs. And can't overstate how easy Uprise made the installation, dealing with the DC govt. and the SREC broker. Finally, Uprise is a locally owned and operated company, invest in DC!
3.50 2 Reviews
S. McLaughlin, over 1 month
I am not only a Solar Solution customer but an actual neighbor to the owner. He appears to be knowledgeable about solar panels but after he spray painted his rowhouse in DC he also inadvertently covered my entire system with paint overspray. It has taken me almost 6 months and repeated contact with his company to get them to remove the paint from my system. His people have always treated me with professionalism. He, on the otherhand, lacks sound judgement and I would be concerned about doing business with him.
Read more
S. McLaughlin, over 1 month
I am not only a Solar Solution customer but an actual neighbor to the owner. He appears to be knowledgeable about solar panels but after he spray painted his rowhouse in DC he also inadvertently covered my entire system with paint overspray. It has taken me almost 6 months and repeated contact with his company to get them to remove the paint from my system. His people have always treated me with professionalism. He, on the otherhand, lacks sound judgement and I would be concerned about doing business with him.
Where there is no specific pricing information available for a brand then we have used state pricing data for that brand.
Solar panel manufacturer | Avg. cost per watt |
---|---|
Canadian Solar | $2.78 |
LG Solar | $3.31 |
SunPower | $3.48 |
Panasonic | $3.35 |
LONGi Solar | $2.68 |
The most important difference between buying solar panels and any other purchase is that solar panels last 25-30 years. This is a long, long time and you will need customer service over all that time. The reviews below of the two largest corporate solar installation companies indicate larger corporate solar companies are not delivering this support to their customers.
We recommend you find a small or mid-size, local, family-owned solar company. These companies tend to care more about you and your specific job. You don't want to be on hold to a corporation's call center for the next 25 years!
The cost of solar doesn't just include the equipment and installation costs - it’s also made up of permitting costs, inspection costs, and installer profit margins.
These different components are what make the price of solar fluctuate between installations. Some of the factors that affect solar power system installation costs for specific homes include:
Homes that use more electricity will need more solar panels to cover their energy needs.
Although solar panels do get cheaper on a per-watt basis, the overall cost of the system will increase as more panels are added.
But, the higher a home’s energy usage, the more solar panels can save the homeowners on their energy bills.
The price of solar panels can vary depending on the type of solar panels you choose.
There are two main types of solar panels for residential solar installations: monocrystalline and polycrystalline. Monocrystalline solar panels tend to be more efficient and more expensive than other solar panels. Polycrystalline panels have a lower efficiency rating and come at a lower price point.
The type of inverter you buy will also influence the cost of your solar system.
You may see some solar quotes with prices that seem too good to be true.
If you get quoted for a ridiculously cheap price, the installer might be using low-quality equipment or an unsustainable pricing model. You want to use a solar installer that is charging enough so that they can stay in business - as you’ll be relying on them for the next 25 years!
It’s important to make sure that your installer is giving you the best quality at the best price possible. This is why getting multiple solar quotes is so important.
The overall cost of solar can be influenced by the solar incentives available.
Across the U.S., homeowners can apply for the federal solar tax credit. The solar tax credit makes installing solar more cost-effective by providing homeowners with a tax credit equal to 30% of the cost of their installed solar panel system.
Local solar tax incentives and rebates can end up saving homeowners thousands on a solar installation, especially when they’re used with the federal solar tax credit.
See what solar incentives are available in your area by using our solar panel calculator.
The cost of installing residential solar panels in Washington Navy Yard varies with the brand of solar panels and inverters you choose, the installation company you choose to install them, the relative ease or difficulty of installing solar panels on your home, and of course the amount of solar panels you need. The amount of solar panels you need is, in turn, related to your energy usage.
The table below shows the data extracted from a real life quote delivered through the SolarReviews marketplace recently for a fairly typical home in Washington Navy Yard.
As you can see the payback period is relatively short and equates to a much better return on investment than he historical returns that have been available from investing in things like shares or property.
System information | Value |
---|---|
System Size (for 100% usage offset) | 9.3 kW |
Annual power generation | 14,574 kWh |
Pay-back time (assuming Cash purchase) | 9.6 Years |
Internal rate of return (IRR) on investment | 5.8% |
Gross cost | $26,296 |
Total Upfront Incentives and Rebates | -$7,338 |
Net Cost of System after rebated and incentives | $18,962 |
Total Cost of Utility Power Avoided over 25 years | $63,114 |