Solar panels for flat roof

ClearanceUP TO 50% OFF

In stock
52% OFF

Trina 405W Solar Panel 144 Cells Bifacial TSM-405NE09RC.05 Clearance

  • Rated Power Output 405 W
  • Voltage (VOC)49.6V
  • Number of cells144
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
56% OFF

Hyundai 405W Solar Panel 132 Half-Cell Bifacial HiS-S405YH(BK) Clearance

  • Rated Power Output 405 W
  • Voltage (VOC)45.6V
  • Number of cells132
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
53% OFF

Trina 415W Solar Panel 144 Cell All-Black Bifacial TSM-415NE09RC.05 Clearance

  • Rated Power Output 415 W
  • Voltage (VOC)50.5V
  • Number of cells144
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Millstone, NJ

Delivery on Oct 31 – Nov 05

In stock

Trina 425W Solar Panel 144 Cell All-Black Bifacial TSM-425NE09RC.05 Clearance

  • Rated Power Output 425 W
  • Voltage (VOC)51.4V
  • Number of cells144
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Millstone, NJ

Delivery on Oct 31 – Nov 05

In stock
43% OFF

Hyundai 410W Solar Panel 132 Half-Cell Bifacial HiS-S410YH(BK) Clearance

  • Rated Power Output 410 W
  • Voltage (VOC)45.9V
  • Number of cells132
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Millstone, NJ

Delivery on Oct 31 – Nov 05

In stock
48% OFF

Star Solar 440W Solar Panels 120 Cell STAR-MF10-440W Clearance

  • Rated Power Output 440 W
  • Voltage (VOC)41.2V
  • Number of cells120
  • Cell TypeMonocrystalline
In stock
59% OFF

ZNShine Solar 370W Solar Panel 120 Cell ZXM6-NH120-370/M All-Black Clearance

  • Rated Power Output 370 W
  • Voltage (VOC)41V
  • Number of cells120
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Riverton, NJ

In stock
15% OFF

Axitec 550W Solar Panel 144 Cell Bifacial AXIbipremium XXL HC AC-550MBT/144V Clearance

  • Rated Power Output 550 W
  • Voltage (VOC)49.9V
  • Number of cells144
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Bordentown, NJ

Delivery on Oct 31 – Nov 05

In stock
44% OFF

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

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

Pickup on Mon, Oct 28 from Riverton, NJ

In stock
37% OFF

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

  • Rated Power Output 400 W
  • Voltage (VOC)37.1V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Riverton, NJ

In stock
52% OFF

Meyer Burger 380W Solar Panel 120 Cell MB-380-HJT120-BB-T2 Clearance

  • Rated Power Output 380 W
  • Voltage (VOC)44.5V
  • Number of cells120
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
31% OFF

Jinko 425W Solar Panel 108 Cells JKM425N-54HL4-B BOB Clearance

  • Rated Power Output 425 W
  • Voltage (VOC)32.73V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Millstone, NJ

Delivery on Oct 31 – Nov 05

In stock
21% OFF

Phono Solar 400W Solar Panel 108 Cell PS400M6H-18/VHB BOB Clearance

  • Rated Power Output 400 W
  • Voltage (VOC)36.87V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Riverton, NJ

In stock
24% OFF

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

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

Pickup on Mon, Oct 28 from Joliet, IL

Delivery on Oct 31 – Nov 05

Top sellers

In stock

Q CELLS 400W Solar Panel 132 Cell 12 Busbar Bifacial Q.PEAK DUO BLK ML-G10+/T

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

Pickup on Mon, Oct 28 from Buffalo Grove, IL

Delivery on Oct 31 – Nov 05

In stock
52% OFF

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

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

Pickup on Mon, Oct 28 from Garner, NC

Delivery on Oct 31 – Nov 05

In stock

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

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

Pickup on Mon, Oct 28 from Buffalo Grove, IL

Delivery on Oct 31 – Nov 05

In stock
1% OFF

Q CELLS 365W Solar Panel 120 Cell Q.PEAK DUO BLK G10+

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

Silfab 380W Solar Panel 120 cell SIL-380-HC Assembled in USA

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

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

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

Pickup on Mon, Oct 28 from Garner, NC

Delivery on Oct 31 – Nov 05

In stock

Axitec 550W Solar Panel 144 Cell Bifacial AXIworldbipremium XXL HC MT AC-550MBT/144US

  • Rated Power Output 550 W
  • Voltage (VOC)50.2V
  • Number of cells144
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Bordentown, NJ

Delivery on Oct 31 – Nov 05

In stock
FREE SHIPPING

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

  • Rated Power Output 410 W
  • Voltage (VOC)37.5V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Riverton, NJ

In stock

Solarever 450W Solar Panel 96 Cells Mono Perc Bifacial SE-182*105-450M-96-BD Clearance

  • Rated Power Output 450 W
  • Voltage (VOC)35.03V
  • Number of cells96
  • Cell TypeMonocrystalline
In stock

REC 420W Solar Panel 132 Cell REC420AAPURE2

  • Rated Power Output 420 W
  • Voltage (VOC)49.1V
  • Number of cells132
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

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
In stock
1% OFF

Panasonic 360W Solar Panel 120 Cell EverVolt EVPV360PK

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

Pallets

In stock
= 36

Hyperion (Runergy) 390W Solar Panel 108 Cells Bifacial HY-DH108P8-390 Wholesale 36 panels per pallet (min 3 pallets)

  • Rated Power Output 390 W
  • Voltage (VOC)36.85V
  • Number of cells108
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
= 36

Hyperion (Runergy) 395W Solar Panel 108 Cells Bifacial HY-DH108P8-395 Wholesale 36 panels per pallet (min 3 pallets)

  • Rated Power Output 395 W
  • Voltage (VOC)36.98V
  • Number of cells108
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
= 36

Hyperion (Runergy) 400W Solar Panel 108 Cells Bifacial HY-DH108P8-400 Wholesale 36 panels per pallet (min 3 pallets)

  • Rated Power Output 400 W
  • Voltage (VOC)37.07V
  • Number of cells108
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
= 36

Hyperion (Runergy) 405W Solar Panel 108 Cells Bifacial HY-DH108P8B-405 Wholesale 36 panels per pallet (min 3 pallets)

  • Rated Power Output 405 W
  • Voltage (VOC)37.23V
  • Number of cells108
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
= 31

Trina 365W Solar Panel 132 cell TSM-365-DE06X.05(II) Wholesale 31 panels per pallet (min 3 pallets)

  • Rated Power Output 365 W
  • Voltage (VOC)45V
  • Number of cells132
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
39% OFF
= 27

JA Solar 380W Solar Panel 72 Cells JA-JAM72-S09-380PR Wholesale 27 panels per pallet (min 5 pallets)

  • Rated Power Output 380 W
  • Voltage (VOC)48.75V
  • Number of cells72
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
66% OFF
= 36

Trina 385W Solar Panel 120 Cell TSM-385-DE09C.07 Bifacial Wholesale 36 panels per pallet (min 3 pallets)

  • Rated Power Output 385 W
  • Voltage (VOC)40.6V
  • Number of cells120
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
66% OFF
= 36

Trina 390W Solar Panel 120 Cell TSM-390-DE09C.07 Bifacial Wholesale 36 panels per pallet (min 3 pallets)

  • Rated Power Output 390 W
  • Voltage (VOC)40.8V
  • Number of cells120
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
35% OFF
= 27

JA Solar 385W Solar Panel 72 Cells JA-JAM72-S09-385PR Wholesale 27 panels per pallet (min 5 pallets)

  • Rated Power Output 385 W
  • Voltage (VOC)49.04V
  • Number of cells72
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
56% OFF
= 36

Trina 405W Solar Panel 144 Cells Bifacial TSM-405NE09RC.05 Wholesale 36 panels per pallet

  • Rated Power Output 405 W
  • Voltage (VOC)49.6V
  • Number of cells144
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
60% OFF
= 36

Trina 415W Solar Panel 144 Cell All-Black Bifacial TSM-415NE09RC.05 Wholesale 36 panels per pallet

  • Rated Power Output 415 W
  • Voltage (VOC)50.5V
  • Number of cells144
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Millstone, NJ

Delivery on Oct 31 – Nov 05

In stock
= 32

Hyundai 410W Solar Panel 132 Half-Cell Bifacial HiS-S410YH(BK) Wholesale 32 panels per pallet

  • Rated Power Output 410 W
  • Voltage (VOC)45.9V
  • Number of cells132
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Millstone, NJ

Delivery on Oct 31 – Nov 05

In stock
8% OFF
= 37

Philadelphia Solar 400W Solar Panel 108 Half-Cell Bifacial PS-M108(HCBF)-400W Wholesale 37 panels per pallet

  • Rated Power Output 400 W
  • Voltage (VOC)37.15V
  • Number of cells108
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
44% OFF
= 36

Phono Solar 400W Solar Panel 108 Cell PS400M6H-18/VHB BOB Wholesale 36 panels per pallet

  • Rated Power Output 400 W
  • Voltage (VOC)36.87V
  • Number of cells108
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
= 35

CW Energy 410W Solar Panel 108 Cells Bifacial CWT410-108PMB10 USA Wholesale 35 panels per pallet (min 5 pallets)

  • Rated Power Output 410 W
  • Voltage (VOC)37.09V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Hanover, NJ

Delivery on Oct 31 – Nov 05

In stock
= 36

Axitec 410W Solar Panel 108 Cell AXIblackpremium XXL HC AC-410MH/108VB Wholesale 36 panels per pallet (min 5 pallets)

  • Rated Power Output 410 W
  • Voltage (VOC)37.32V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Bordentown, NJ

Delivery on Oct 31 – Nov 05

In stock
= 37

Philadelphia Solar 440W Solar Panels 108 Cell Bifacial MNB108(HCBF)-440W Wholesale 37 panels per pallet

  • Rated Power Output 440 W
  • Voltage (VOC)38.63V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Harrison, NJ

Delivery on Oct 31 – Nov 05

In stock
= 35

CW Energy 410W Solar Panel 108 Cells Bifacial CWT410-108PMB10 USA Wholesale 35 panels per pallet

  • Rated Power Output 410 W
  • Voltage (VOC)37.09V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Hanover, NJ

Delivery on Oct 31 – Nov 05

In stock
= 36

Axitec 410W Solar Panel 108 Cell AXIblackpremium XXL HC AC-410MH/108VB Wholesale 36 per pallet

  • Rated Power Output 410 W
  • Voltage (VOC)37.32V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Bordentown, NJ

Delivery on Oct 31 – Nov 05

In stock
= 36

GreenWatts 450W Solar Panel 120 Cell HS60-450-BOB Wholesale 36 per pallet

  • Rated Power Output 450 W
  • Voltage (VOC)41.33V
  • Number of cells120
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
= 31

Aptos Solar 440W Solar Panel 120 Cell Bifacial DNA-120-BF10-440W Wholesale 31 panels per pallet (min 3 pallets)

  • Rated Power Output 440 W
  • Voltage (VOC)41.11V
  • Number of cells120
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
= 35

Canadian Solar 550W Solar Panel 144 Cells Bifacial CS6W-550MB-AG Wholesale 35 panels per pallet (min 3 pallets)

  • Rated Power Output 450 W
  • Voltage (VOC)49.6V
  • Number of cells144
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

In stock
= 31

Jinko 425W Solar Panel 108 Cells JKM425N-54HL4-B BOB Wholesale 31 panels per pallet

  • Rated Power Output 425 W
  • Voltage (VOC)32.73V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Millstone, NJ

Delivery on Oct 31 – Nov 05

In stock
= 31

Canadian Solar 685W Solar Panel 132 Cells Bifacial CS7N-685TB-AG Wholesale 31 panels per pallet (min 5 pallets)

  • Rated Power Output 685 W
  • Voltage (VOC)47.3V
  • Number of cells132
  • Cell TypeMonocrystalline

Pickup on Mon, Oct 28 from Dayton, NJ

Delivery on Oct 31 – Nov 05

Containers

In stock
62% OFF
= 768

Hyundai 405W Solar Panel 132 Half-Cell Bifacial HiS-S405YH(BK) Container 768 panels

  • Rated Power Output 405 W
  • Voltage (VOC)45.6V
  • Number of cells132
  • Cell TypeMonocrystalline

Delivery on Oct 31 – Nov 05

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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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