Solar panels for flat roof

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In stock
59% OFF

Aptos Solar 370W Solar Panel 120 Cell Bifacial DNA-120-BF26 Clearance

  • Rated Power Output 370 W
  • Voltage (VOC)41.4 V
  • Number of cells120
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock
33% OFF

Jinko 390W Solar Panel 144 Cells JKM390M-72HBL-V Clearance

  • Rated Power Output 390 W
  • Voltage (VOC)48.6V
  • Number of cells144
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock
36% OFF

ZNShine Solar 400W Solar Panel 108 Cell ZXM7-SH108-400/M Clearance

  • Rated Power Output 400 W
  • Voltage (VOC)37.10 V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Apr 22 from Riverton, NJ

Find more options on clearance from $101/panel
In stock

Meyer Burger 390W Solar Panel 120 Cell All-Black MB-390-HJT120-BB-T2

  • Rated Power Output 390 W
  • Voltage (VOC)44.6V
  • Number of cells120
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock
54% OFF

ZNShine Solar 405W Solar Panel 108 Cell ZXM7-SH108-405/M

  • Rated Power Output 405 W
  • Voltage (VOC)37.03
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Apr 22 from Riverton, NJ

In stock

Q CELLS 410W Solar Panel 132 Cell 12 Busbar Q.PEAK DUO ML-G10+ Black frame/White back

  • Rated Power Output 410 W
  • Voltage (VOC)45.37 V
  • Number of cells132
  • Cell TypeMonocrystalline

Pickup on Mon, Apr 22 from Bordentown, NJ

Delivery on Apr 25–30

In stock
48% OFF

Q CELLS 365W Solar Panel 120 Cell 12 Busbar Q.PEAK DUO BLK G10+ Assembled in USA

  • Rated Power Output 365 W
  • Voltage (VOC)41.21 V
  • Number of cells120
  • Cell TypeMonocrystalline
In stock

URE 400W Solar Panel 108 Cell FBM400MFG-BB

  • Rated Power Output 400 W
  • Voltage (VOC)37.20V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Apr 22 from Garner, NC

Delivery on Apr 25–30

In stock
39% OFF

Q CELLS 485W Solar Panel 156 cells Q.PEAK DUO XL-G10.3/BFG

  • Rated Power Output 485 W
  • Voltage (VOC)53.63 V
  • Number of cells156
  • Cell TypeMonocrystalline

Pickup on Mon, Apr 22 from Bordentown, NJ

Delivery on Apr 25–30

In stock

Silfab 420W Solar Panel 108 Cell All-Black SIL-420-QD

  • Rated Power Output 420 W
  • Voltage (VOC)37.68V
  • Number of cells108
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock
52% OFF

Q CELLS 405W Solar Panel 132 Cell 6 Busbar Q.PEAK DUO BLK ML-G10+ Assembled in USA

  • Rated Power Output 405 W
  • Voltage (VOC)45.34 V
  • Number of cells132
  • Cell TypeMonocrystalline

Pickup on Mon, Apr 22 from Bordentown, NJ

Delivery on Apr 25–30

In stock

JA Solar 545W Solar Panel 144 Cell Bifacial JA-JAM72-D30-545MB

  • Rated Power Output 545 W
  • Voltage (VOC)49.75V
  • Number of cells144
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock

Silfab 380W Solar Panel 120 cell SIL-380-HC

  • Rated Power Output 380 W
  • Voltage (VOC)42.17 V
  • Number of cells120
  • Cell TypeMonocrystalline
In stock

Silfab 400W Solar Panel 132 Cell SIL-400-HC+

  • Rated Power Output 400 W
  • Voltage (VOC)43.02
  • Number of cells132
  • Cell TypeMonocrystalline

Pickup on Mon, Apr 22 from Riverton, NJ

In stock

Q CELLS 425W Solar Panel 108 Cell Q.TRON BLK M-G2+ Assembled in USA

  • Rated Power Output 425 W
  • Voltage (VOC)38.67 V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Apr 22 from Cranbury, NJ

Delivery on Apr 25–30

In stock
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Q CELLS 410W Solar Panel 132 Cell 6 Busbar Q.PEAK DUO BLK ML-G10+ Assembled in USA

  • Rated Power Output 410 W
  • Voltage (VOC)45.37 V
  • Number of cells132
  • Cell TypeMonocrystalline

Pickup on Mon, Apr 22 from Bordentown, NJ

Delivery on Apr 25–30

In stock
16% OFF

Mission Solar 430W Solar Panel 72 Cell MIN-MSE430SX9Z Assembled in USA

  • Rated Power Output 430 W
  • Voltage (VOC)49.28 V
  • Number of cells72
  • Cell TypeMonocrystalline
In stock

Solar4America 410W Solar Panel 108 Cell All-Black S4A410-108MH10

  • Rated Power Output 410 W
  • Voltage (VOC)37.50 V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Apr 22 from Riverton, NJ

In stock

Magnus Green Solar 440W Solar Panel 120 Cell MGS-60M10-440W

  • Rated Power Output 440 W
  • Voltage (VOC)41.2V
  • Number of cells120
  • Cell TypeMonocrystalline

Pickup on Mon, Apr 22 from Riverton, NJ

In stock
40% OFF

Q CELLS 405W Solar Panel 132 Cell 12 Busbar Q.PEAK DUO BLK ML-G10+ Assembled in USA

  • Rated Power Output 405 W
  • Voltage (VOC)45.34 V
  • Number of cells132
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock

Q CELLS 400W Solar Panel 132 Cell Bifacial Q.PEAK DUO BLK ML-G10+/T

  • Rated Power Output 400 W
  • Voltage (VOC)45.55V
  • Number of cells132
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock

REC 405W Solar Panel 132 Cell REC405AA Pure Black

  • Rated Power Output 405 W
  • Voltage (VOC)48.9 V
  • Number of cells132
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock

Silfab 500W Solar Panel 132 Cell SIL-500-HM

  • Rated Power Output 500 W
  • Voltage (VOC)45.78V
  • Number of cells132
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock

Panasonic 400W Solar Panel 132 Cell PNS-EVPV400HK

  • Rated Power Output 400 W
  • Voltage (VOC)48.8 V
  • Number of cells132
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock
21% OFF

REC 360W Solar Panel 120 Cell REC360NP2

  • Rated Power Output 360 W
  • Voltage (VOC)40.8 V
  • Number of cells120
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock

Panasonic 400W Solar Panel 132 cell PNS-400-EVP132GL

  • Rated Power Output 400 W
  • Voltage (VOC)48.8 V
  • Number of cells132
  • Cell TypeMonocrystalline

Delivery on Apr 25–30

In stock
24% OFF

Panasonic 350W Solar Panel 120 Cell EverVolt PNS-EVPV350PK

  • Rated Power Output 350 W
  • Voltage (VOC)40.3 V
  • Number of cells120
  • Cell TypeMonocrystalline
In stock

Panasonic 360W Solar Panel 120 Cell EverVolt EVPV360PK

  • Rated Power Output 360 W
  • Voltage (VOC)40.6 V
  • Number of cells120
  • Cell TypeMonocrystalline
In stock

Silfab 410W Solar Panel 66 Cell SIL-410-BG Elite Assembled in USA

  • Rated Power Output 410 W
  • Voltage (VOC)45.92 V
  • Number of cells66
  • Cell TypeMonocrystalline

Find solar panels for flat roof near you

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Solar panels for flat roof

Flat roofs are an interesting case when it comes to solar panel installations. A solar system can be incredibly beneficial for your home or business, but you have to make sure it’s installed properly. Good equipment is a big part of success, and in this section, you can find some great solar Panels for flat roofs.

Do solar panels work well on a flat roof?

Solar panels can do amazing on a flat roof. Generally, there is a lot of space for panels and you can build a powerful system on top, for example, your store or a cafe. The benefit of a flat roof is that you can adjust the positioning and the angle of your panels however you want without being constrained by the configuration. 

There are downsides of course. With flat roof solar panels, shading is more problematic. Panels often require more frequent maintenance. The installation is quite different from putting panels on a tilted roof as well and it may slightly increase flat roof solar panels cost.

Can you put solar panels on a flat roof?

Installing solar panels on a flat roof is a lot like building a ground-mounted installation. Flat roofs give you a lot of space to put the panels. But unlike slanted roofs that catch sunlight naturally, panels on flat roofs need to be put at a special angle so they can catch the most sunlight. 

There are various mounting systems designed for flat roofs, such as ballasted systems (using weights to hold panels in place), tilted racking systems, and penetrating systems that attach to the roof with anchors. The choice depends on factors like roof material, local climate, and load-bearing capacity. Depending on your location, wind exposure might affect the design and installation of the solar panel system on a flat roof. Wind mitigation measures might be necessary. The mounting may increase the flat roof solar panels price.

You have to make sure there's enough room between the panels so they don't block each other's sunlight. Clean the panels more often because dirt builds up quicker. Also, you need to check if your roof can handle the weight of the panels and stuff holding them. It's important to keep water out too, so your roof doesn't leak. 

Check local building codes and regulations regarding solar panel installations on flat roofs. Some areas might have specific requirements or restrictions.

Pros and cons of solar panels for flat roofs

Let’s list down the positive things about putting panels on a flat roof. Here are the advantages:

  1. Ample Space: Flat roofs provide more available space compared to sloped roofs, allowing for flexible panel placement and potentially accommodating a larger number of panels to generate more electricity.
  2. Optimal Sunlight Exposure: With the right tilt and positioning systems, flat roofs can be configured to achieve optimal sunlight exposure throughout the day, potentially leading to higher energy production.
  3. Aesthetics: Solar panels on flat roofs can be less visible from the ground, maintaining the building's visual appeal and architectural integrity.

A flat roof is not perfect for installing solar panels by any means. Here are the main drawbacks:

  1. Shading Concerns: Because panels on flat roofs are laid out in a horizontal plane, there is a higher risk of shading from nearby buildings, trees, or structures, which can significantly reduce energy generation.
  2. Maintenance Challenges: Debris like leaves, dust, and dirt can accumulate more easily on flat roofs, requiring more frequent cleaning to maintain optimal energy production.
  3. Waterproofing and Weight: Installing solar panels involves penetrating the roof's surface for mounting, which can create potential points of water leakage if not properly sealed. Additionally, the weight of the panels and mounting equipment must be carefully considered to prevent roof damage.

3 Best solar panels for flat roof

Here are the picks from our engineer with over 20 years of experience in installing solar systems. These will do great for commercial or residential installations. We have a variety of flat roof solar panels for sale — contact our managers to learn more about prices and warranties.

JA Solar JA-JAM54-S31-390MR solar panel 

This model suits various solar projects. JA Solar's 390W panels are suitable for home systems or small commercial setups. They are highly efficient at 20%. The panels are all-black, preserving the appearance of your home or office. They endure tough weather and have a half-cut cell design that handles shading better. The panel includes a 12-year product warranty and a 25-year output warranty.

Aptos Solar DNA-120-MF26 solar panel

The DNA-120-370 stands as Aptos Solar's simplest panel, ideal for homes. It produces 370 watts of power with an efficiency of 20.29%. The half-cut design improves shading tolerance and durability. The panel can handle 5400 Pa wind or snow loads. It includes a 25-year product warranty and a 30-year performance warranty.

Hyundai ES HiN-S365X solar panel

This panel from Hyundai ES is a great choice for a simple and inexpensive home installation. It performs well on cloudy days. Half-cut cell design decreases power losses and improves shading tolerance. The efficiency of this model reaches 20.4% — well above the market’s average. Hyundai provides a 25-year product and performance warranty for this model.

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