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Solar panels for flat roof

ClearanceUP TO 50% OFF

In stock
= 36

Regitec 415W Solar Panel 108 Cell RMH54/415B1 Wholesale 36 panels per pallet

  • Rated Power Output 415 W
  • Voltage (VOC)37.45 V
  • Number of cells108
  • Cell TypeMonocrystalline
In stock
Customer Choice

REC Alpha 395W Solar Panel 132 cell REC395AA Clearance

  • Rated Power Output 395 W
  • Voltage (VOC)48.7 V
  • Number of cells132
  • Cell TypeMonocrystalline

Pickup on Tue, Feb 10 from Miami, FL

Limited stock

LONGi 405W Solar Panel 108 Cell All-Black LR5-54HPB-405M

  • Rated Power Output 405 W
  • Voltage (VOC)37.15 V
  • Number of cells108
  • Cell TypeMonocrystalline
Limited stock

Trina 410W Solar Panel 144 Cell Bifacial TSM-410-NE09RC.05 Clearance

  • Rated Power Output 410 W
  • Voltage (VOC)51 V
  • Number of cells144
  • Cell TypeMonocrystalline

Pickup on Tue, Feb 10 from Punta Gorda, FL

In stock

Peimar 450W Solar Panel 120 Cell All-Black DR10H450M Clearance

  • Rated Power Output 450 W
  • Voltage (VOC)41.18 V
  • Number of cells120
  • Cell TypeMonocrystalline

Pickup on Tue, Feb 10 from Tampa, FL

In stock

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

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

Pickup on Tue, Feb 10 from Punta Gorda, FL

Limited stock

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

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

Pickup on Tue, Feb 10 from Punta Gorda, FL

In stock

JA Solar 405W Solar Panel 108 Cells JAM54S31-405/MR Clearance

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

Pickup on Tue, Feb 10 from Punta Gorda, FL

Limited stock

Phono Solar 440W Solar Panel 108 Cells Bifacial PS440M8GFH-18/VNHB Clearance

  • Rated Power Output 440 W
  • Voltage (VOC)39.61 V
  • Number of cells108
  • Cell TypeMonocrystalline
Limited stock

JA Solar 450W Solar Panel 108 Cell All-Black Bifacial JA-54D41-450LB Clearance

  • Rated Power Output 450 W
  • Voltage (VOC)39.3 V
  • Number of cells108
  • Cell TypeMonocrystalline
In stock
Customer Choice

JA Solar 440W Solar Panel 156 Cell JAM78S10-440/MR Clearance

  • Rated Power Output 440 W
  • Voltage (VOC)53 V
  • Number of cells156
  • Cell TypeMonocrystalline
Limited stock

JA Solar 445W Solar Panel 156 Cell JAM78S10-445/MR Clearance

  • Rated Power Output 445 W
  • Voltage (VOC)53.31 V
  • Number of cells156
  • Cell TypeMonocrystalline
Limited stock

Axitec 440W Solar Panel 108 Cell All-Black Bifacial AC-440TGB/108BB Clearance

  • Rated Power Output 440 W
  • Voltage (VOC)39.83 V
  • Number of cells108
  • Cell TypeMonocrystalline
Limited stock

Canadian Solar 440W Panel CS6.2-48TM-440H

  • Rated Power Output 440 W
  • Voltage (VOC)35.4 V
  • Cell TypeMonocrystalline

Pickup on Tue, Feb 10 from Punta Gorda, FL

Limited stock

Jinko Solar 430W Solar Panel 108 Cell All-Black JKM430N-54HL4-B Clearance

  • Rated Power Output 430 W
  • Voltage (VOC)39.16 V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Tue, Feb 10 from Tampa, FL

In stock

Sirius 410W Solar Panel ELNSM54M-HC-410

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

Pickup on Tue, Feb 10 from Punta Gorda, FL

In stock

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

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

Pickup on Tue, Feb 10 from Punta Gorda, FL

By Items

In stock
Customer Choice

REC Alpha 395W Solar Panel 132 cell REC395AA Clearance

  • Rated Power Output 395 W
  • Voltage (VOC)48.7 V
  • Number of cells132
  • Cell TypeMonocrystalline

Pickup on Tue, Feb 10 from Miami, FL

Limited stock

LONGi 405W Solar Panel 108 Cell All-Black LR5-54HPB-405M

  • Rated Power Output 405 W
  • Voltage (VOC)37.15 V
  • Number of cells108
  • Cell TypeMonocrystalline
Limited stock

Trina 410W Solar Panel 144 Cell Bifacial TSM-410-NE09RC.05 Clearance

  • Rated Power Output 410 W
  • Voltage (VOC)51 V
  • Number of cells144
  • Cell TypeMonocrystalline

Pickup on Tue, Feb 10 from Punta Gorda, FL

In stock

Peimar 450W Solar Panel 120 Cell All-Black DR10H450M Clearance

  • Rated Power Output 450 W
  • Voltage (VOC)41.18 V
  • Number of cells120
  • Cell TypeMonocrystalline

Pickup on Tue, Feb 10 from Tampa, FL

In stock

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

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

Pickup on Tue, Feb 10 from Punta Gorda, FL

Limited stock

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

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

Pickup on Tue, Feb 10 from Punta Gorda, FL

In stock

JA Solar 405W Solar Panel 108 Cells JAM54S31-405/MR Clearance

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

Pickup on Tue, Feb 10 from Punta Gorda, FL

Limited stock

Phono Solar 440W Solar Panel 108 Cells Bifacial PS440M8GFH-18/VNHB Clearance

  • Rated Power Output 440 W
  • Voltage (VOC)39.61 V
  • Number of cells108
  • Cell TypeMonocrystalline
Limited stock

JA Solar 450W Solar Panel 108 Cell All-Black Bifacial JA-54D41-450LB Clearance

  • Rated Power Output 450 W
  • Voltage (VOC)39.3 V
  • Number of cells108
  • Cell TypeMonocrystalline
In stock
Customer Choice

JA Solar 440W Solar Panel 156 Cell JAM78S10-440/MR Clearance

  • Rated Power Output 440 W
  • Voltage (VOC)53 V
  • Number of cells156
  • Cell TypeMonocrystalline
Limited stock

Q CELLS 585W Solar Panel 156 Cell Bifacial Q.PEAK DUO XL-G11S.3/BFG-585

  • Rated Power Output 585 W
  • Voltage (VOC)53.57 V
  • Number of cells156
  • Cell TypeMonocrystalline
Limited stock

JA Solar 445W Solar Panel 156 Cell JAM78S10-445/MR Clearance

  • Rated Power Output 445 W
  • Voltage (VOC)53.31 V
  • Number of cells156
  • Cell TypeMonocrystalline
Limited stock

Axitec 440W Solar Panel 108 Cell All-Black Bifacial AC-440TGB/108BB Clearance

  • Rated Power Output 440 W
  • Voltage (VOC)39.83 V
  • Number of cells108
  • Cell TypeMonocrystalline
Limited stock

Sunpro Power 440W Solar Panel 108 Cell All-Black Bifacial SM SP-440/108/FS30/BF

  • Rated Power Output 440 W
  • Voltage (VOC)38.53 V
  • Number of cells108
  • Cell TypeMonocrystalline
Limited stock

Canadian Solar 440W Panel CS6.2-48TM-440H

  • Rated Power Output 440 W
  • Voltage (VOC)35.4 V
  • Cell TypeMonocrystalline

Pickup on Tue, Feb 10 from Punta Gorda, FL

Limited stock

Jinko Solar 430W Solar Panel 108 Cell All-Black JKM430N-54HL4-B Clearance

  • Rated Power Output 430 W
  • Voltage (VOC)39.16 V
  • Number of cells108
  • Cell TypeMonocrystalline

Pickup on Tue, Feb 10 from Tampa, FL

Limited stock

JA Solar 595W Solar Panel 144 Cell Bifacial JAM72D40-595/MB-US

  • Rated Power Output 595 W
  • Voltage (VOC)54.1 V
  • Number of cells144
  • Cell TypeMonocrystalline
In stock

Sirius 410W Solar Panel ELNSM54M-HC-410

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

Pickup on Tue, Feb 10 from Punta Gorda, FL

In stock

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

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

Pickup on Tue, Feb 10 from Punta Gorda, FL

In stock
Customer Choice

JA Solar 600W Solar Panel 144 Cell Bifacial JA-JAM72-D40-600MB Assembled in the USA

  • Rated Power Output 600 W
  • Voltage (VOC)54.3 V
  • Number of cells144
  • Cell TypeMonocrystalline

By Pallets

In stock
= 26

Heliene 340W Solar Panel 72 Cell 72M-340 Assembled in the USA Wholesale 26 panels per pallet

  • Rated Power Output 340 W
  • Voltage (VOC)46.95 V
  • Number of cells72
  • Cell TypeMonocrystalline
In stock
= 36

Regitec 415W Solar Panel 108 Cell RMH54/415B1 Wholesale 36 panels per pallet

  • Rated Power Output 415 W
  • Voltage (VOC)37.45 V
  • Number of cells108
  • Cell TypeMonocrystalline
In stock
= 36

ZNShine Solar 410W Solar Panel 108 Cell ZXM7-SH108-410 Wholesale 36 panels per pallet

  • Rated Power Output 410 W
  • Voltage (VOC)37.5 V
  • Number of cells108
  • Cell TypeMonocrystalline
In stock
= 31

GreenWatts 450W Solar Panel 144 Cell Bifacial HT72-166M-450W Wholesale 31 panels per pallet

  • Rated Power Output 450 W
  • Voltage (VOC)50 V
  • Number of cells144
  • Cell TypeMonocrystalline
  • Overview
  • Articles

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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