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Longi Solar Panels
We Work With The Best
About Longi Solar
Founded in 2000, Longi Solar are a world leading mono-crystalline solar module manufacturer. Producing highly efficient, cost-effective solar panels on a global scale.
Driven by advanced technologies and over 18 years of experience, Longi Solar are Monoscrystalline specialists. As the largest supplier of Monocrystalline silicon wafers in the world, Longi supply cells to near enough 50% of the solar industry. In 2017, the company shipped around 7.0GW of solar products. But, by 2020, the company are expected to reach the 45GW production milestone.
Longi’s heavy investment in R&D have meant that they are able to deliver LCOE (levelized cost of electricity) solutions. For both residential and commercial energy needs. Overall, Longi panels offer a better lifetime yield than the standard mono panels. Due to the treatment of their PERC cells and exclusive bifacial solar modules.
Longi Solar PV Panels
Deege Solar have an extensive portfolio of Longi Solar Panel installations. From 375W Longi Black Solar Panels to 440W we have installed a large variety of models. If you are interested in learning more about Solar Panels from Longi Solar, simply get in touch. The expert Solar team here at Deege Solar, are happy to provide our expert knowledge, and provide a FREE bespoke design for any home or business owner in the UK.
370W Longi Solar Panels
- Power: 370W Longi Solar Panels.
- Finish: A Longi Black Spilt-Cell panel with a white backsheet.
- Cell Type: Monocrystalline.
- Number Of Cells: 120 Solar Cells.
- Maximum Efficiency: 20.3% Module Efficiency.
- Technology: A high efficient Low LID Mono PERC with Half-cut cell technology.
- Durability: An enhanced tolerance for mechanical loading.
- Material: 3.2mm Tempered glass with an anodised aluminum alloy frame.
- Warranty: 25 Years Warranty on Output.



Longi 375W Solar Panels
- Power: 375W Longi Solar Panels.
- Finish: A Longi Black Spilt-Cell panel with a white backsheet.
- Cell Type: Monocrystalline.
- Number Of Cells: 120 Solar Cells.
- Maximum Efficiency: 20.3% Module Efficiency.
- Technology: A high efficient Low LID Mono PERC with Half-cut cell technology.
- Durability: An enhanced tolerance for mechanical loading.
- Material: 3.2mm Tempered glass with an anodised aluminum alloy frame.
- Warranty: 25 Years Warranty on Output.
Plug Into The Sun
Key Features Of A Longi Solar Panels
Longi solar panels perform 3x better than IEC standards prescribe.
QCells is rated a Tier 1 Bloomberg Solar Panel Brand rated and a BNEF Top Tier module supplier.
12 Years Product Warranty and 25 Year Linear Output Warranty.


We Make Your Homes Greener!
Our Latest Longi Solar Installations
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Accredited craftmanship, trusted expertise.


Deposit protected up to 25% of your contract value
Workmanship guaranteed for up to 10 years
FCA-regulated insurer, trusted since 1985


Fair, honest sales without pressure
Clear contracts & transparent pricing
Free dispute resolution
Have questions or need support? Reach out to us — we’re here to help.
- Unit 4, St Margaret's Estate, St Margaret's Rd, South Darenth, Dartford DA4 9LB, United Kingdom
- enquiries@deegesolar.co.uk
- Call +44 1322 479369
- Mon - Fri 9:00am - 5pm