Today, there are numerous solar panels designed to perform efficiently even in cloudy conditions. We spent hours analyzing and comparing the top models to find the seven best options that maximize energy production, even with limited sunlight.
What are the Best Solar Panels for Cloudy Days?
Table of Contents
1. Maxeon
Our Verdict — Best Of The Best
The Maxeon 7 solar panel is a high-efficiency photovoltaic module designed to maximize energy generation, boasting an impressive efficiency of 24.1%.
This exceptional efficiency ensures that the Maxeon 7 captures more sunlight, including diffuse light prevalent during overcast conditions, thereby enhancing its performance on cloudy days. Additionally, its advanced design and materials contribute to higher energy conversion in low-light environments, such as mornings, evenings, and cloudy days, making it a top choice for regions with variable weather.
The Best Part:
- Highest efficiency in the industry, which allows them to generate more energy even in low-light and cloudy condition.
The Worst Part:
- Their higher upfront cost compared to other brands. While their superior efficiency and durability can lead to long-term savings, the initial investment may be a barrier for those with limited budgets.
Get it if you want the most efficient solar panels available, capable of maximizing energy production even in low-light and cloudy conditions.
Best For:
Maxeon 7 solar panels are best for homeowners and businesses who want maximum energy efficiency and reliable performance, even in cloudy or low-light conditions.
Top Features
- Industry-Leading Efficiency (24.1%): Maxeon 7 boasts one of the highest solar panel efficiencies, ensuring maximum energy generation even in low-light conditions.
- Superior Low-Light Performance: Advanced cell technology captures more diffuse light, making it ideal for cloudy days and shaded areas.
- 40-Year Warranty: Comes with an industry-leading 40-year warranty, reflecting its long-term durability and reliability.
- High Power Output (Up to 445W): Delivers more power per panel, reducing the number of panels needed for the same energy output.
- Robust & Weather-Resistant Build: Designed to withstand extreme weather conditions, including high humidity, strong winds, and temperature fluctuations.
Pricing & Installation
Maxeon 7 solar panels are premium products known for their high efficiency and durability, which come at a higher initial cost compared to standard panels.
Installation costs vary significantly based on the panel used, system size and installer rates. It is therefore advisable to consult with local installers to obtain accurate quotes tailored to your specific requirements.
2. QCells Q.TRON BLK M-G2+/AC
Our Verdict — Best For Extreme Weather
Q.TRON BLK M-G2+/AC is a high-performance solar panel from Qcells, integrating advanced Q.ANTUM NEO Technology to achieve up to 22.3% efficiency.
We think it’s the best for residential installations because of its sleek black design, high efficiency, and integrated microinverter for optimized energy production.
The Best Part:
- Their high efficiency of up to 22.3%, combined with integrated microinverter technology which optimizes energy production and enhances performance, even in low-light conditions.
The Worst Part:
- Slightly higher cost compared to standard panels, which can beattributed to their advanced technology and integrated microinverter.
Best For:
QCells Q.TRON BLK M-G2+/AC is best for homeowners and businesses who want a high-efficiency, all-black solar panel with an integrated microinverter for optimized energy production and sleek aesthetics.
Top Features
- High Efficiency (Up to 22.3%): Utilizes Q.ANTUM NEO technology to deliver superior energy conversion, even in low-light conditions.
- Integrated Microinverter: Comes with a built-in microinverter, optimizing energy production and improving system performance.
- Sleek All-Black Design: Aesthetic black-on-black finish enhances curb appeal without compromising efficiency.
- Enhanced Durability: Engineered to withstand extreme weather conditions, including heavy snow and high winds.
- Improved Low-Light Performance: Maximizes power output even on cloudy days or during early morning and late evening hours.
Pricing & Installation
The QCells Q.TRON BLK M-G2+/AC solar panels are premium modules that incorporate advanced technology, reflected in their pricing
Installation is streamlined due to the panel’s integrated microinverter, which simplifies the setup process and reduces the need for additional components. Qcells provides a comprehensive installation manual to guide professionals through the process, ensuring optimal performance and safety.
It’s advisable to consult with certified installers to obtain accurate quotes tailored to your specific requirements.
3. Panasonic EverVolt 430 HK2
Our Verdict — Best For High Temperatures
The Panasonic EverVolt 430 HK2 is a high-efficiency solar panel featuring advanced heterojunction (HJT) technology and a sleek black design.
We think it’s the best for warm climates because of its industry-leading temperature coefficient of -0.24%/°C, high efficiency of 22.2%, and robust performance in elevated temperatures.
The Best Part:
Their exceptional performance in high-temperature environments, attributed to their superior temperature coefficient, ensuring consistent energy production even on hot days.
The Worst Part:
Panasonic’s EverVolt panels are rebranded REC panels, which may raise concerns about future availability for system expansion or replacement.
Best For:
he Panasonic EverVolt 430 HK2 is best for homeowners and businesses in warm climates who want high-efficiency solar panels that maintain strong performance under elevated temperatures.
Top Features
- High Efficiency (22.2%): Utilizes heterojunction (HJT) technology to achieve superior energy conversion rates.
- Excellent Temperature Coefficient (-0.24%/°C): Maintains high performance even in hot conditions, minimizing efficiency losses.
- Sleek Black Design: Offers an aesthetically pleasing appearance suitable for various architectural styles.
- Durable Construction: Designed to withstand harsh weather conditions, ensuring long-term reliability.
- 25-Year Warranty: Comprehensive coverage provides peace of mind regarding product quality and performance.
Pricing & Installation
Pricing for the Panasonic EverVolt 430 HK2 solar panels varies depending on the retailer and installation specifics. Given their advanced technology and high efficiency, they are positioned in the premium price segment. For accurate pricing, it’s recommended to consult authorized Panasonic solar installers.
The installation process involves site assessment, system design, permitting, and professional installation to ensure optimal performance and adherence to warranty conditions.
4. LG NeON R
Our Verdict — Best For Sleek Design
The LG NeON R is a high-efficiency solar panel series featuring advanced back-contact technology for enhanced energy production.
We think it’s the best for homeowners seeking both performance and aesthetics because of its sleek design, high power output, and robust durability.
The Best Part:
Their high efficiency, reaching up to 22.3%, which maximizes energy production even in limited roof spaces.
The Worst Part:
Potential buyers should be aware that the premium quality and advanced technology of LG NeON R panels come with a higher upfront cost compared to standard panels
Best For:
The LG NeON R is best for homeowners who want high-efficiency solar panels with a modern design and are willing to invest in premium technology for long-term energy production.
Top Features
- High Efficiency (up to 22.3%): Delivers superior energy output, making it ideal for maximizing power generation in limited spaces.
- Back-Contact Technology: Eliminates front-side electrodes, enhancing both aesthetics and light absorption for improved performance.
- Enhanced Durability: Designed to withstand high front and rear loads (up to 6000 Pa and 5400 Pa, respectively), ensuring resilience against various environmental conditions.
- Improved Temperature Coefficient: Maintains better performance on sunny days due to an enhanced temperature coefficient, reducing efficiency losses in high temperatures.
- 25-Year Warranty: Offers extended product and performance warranties, providing long-term assurance of quality and energy production.
Pricing & Installation
Pricing for LG NeON R solar panels varies based on system size, installation complexity, and regional factors. Previous reports have prices ranging around $0.85 per watt, excluding taxes, shipping, and installation.
Installation should be performed by certified professionals to ensure optimal performance and adherence to warranty terms. The process includes site assessment, system design, permitting, and professional installation tailored to the property’s specific energy needs and structural considerations.
5. Jinko Solar Tiger Neo 440W
Our Verdict — Best For Limited Spaces
The Jinko Solar Tiger Neo 440W is a high-efficiency monocrystalline N-Type solar panel featuring advanced half-cut cell technology for enhanced performance.
We think it’s best for residential and commercial installations seeking reliable and efficient energy solutions because of its high efficiency, robust durability, and excellent low-light performance.
The Best Part:
Their high efficiency, reaching up to 22.02%, which maximizes energy production even in limited spaces.
The Worst Part:
Potential buyers should be aware that the premium quality and advanced technology of the Jinko Solar Tiger Neo 440W panels may come with a higher upfront cost compared to standard panels.
Best For:
The Jinko Solar Tiger Neo 440W is best for homeowners and businesses who want high-efficiency solar panels with advanced technology and are willing to invest in premium solutions for long-term energy production.
Top Features
- High Efficiency (up to 22.02%): Delivers superior energy output, making it ideal for maximizing power generation in limited spaces.
- N-Type Monocrystalline Cells: Utilizes advanced N-Type technology, offering better performance and lower degradation rates over time.
- Half-Cut Cell Technology: Enhances performance and durability, even in low-light conditions.
- Durability Against Extreme Environmental Conditions: Certified to withstand high wind loads (2400 Pascal) and snow loads (5400 Pascal), ensuring resilience against various environmental conditions.
- 25-Year Product Warranty and 30-Year Performance Warranty: Offers extended warranties, providing long-term assurance of quality and energy production.
Pricing & Installation
Pricing for the Jinko Solar Tiger Neo 440W panels varies based on system size, installation complexity, and regional factors. As of recent reports, a 6.6 kW system featuring these panels is priced around $650 per kW, totaling approximately $4,290, excluding taxes, shipping, and installation.
Installation should be performed by certified professionals to ensure optimal performance and adherence to warranty terms. The process includes site assessment, system design, permitting, and professional installation tailored to the property’s specific energy needs and structural considerations.
6. REC Alpha Pure 410AA
Our Verdict — Best For Environmentally Conscious
The REC Alpha Pure 410AA is a high-efficiency solar panel featuring advanced Heterojunction (HJT) cell technology and an all-black design.
We think it’s the best for residential installations because of its high power output, sleek aesthetics, and environmentally friendly lead-free construction.
The Best Part:
Their high efficiency of 21.2%, achieved through advanced Heterojunction (HJT) cell technology, which maximizes energy production even in limited spaces.
The Worst Part:
Higher upfront cost associated with these premium panels, which may impact initial budget considerations.
Best For:
The REC Alpha Pure 410AA is best for homeowners and businesses who want a high-efficiency, space-optimized solar solution with a sleek, all-black aesthetic.
Top Features
- High Power Density: Generates up to 20.9 W/ft², optimizing energy production in limited spaces.
- Advanced HJT Cell Technology: Combines monocrystalline and thin-film layers to enhance efficiency and performance.
- Lead-Free Construction: Environmentally friendly design complies with RoHS standards, eliminating hazardous substance.
- Sleek All-Black Design: Offers a modern aesthetic that seamlessly integrates with various architectural styles.
- 25-Year Warranty: Provides long-term assurance on product quality and performance.
Pricing & Installation
The REC Alpha Pure 410AA panels are priced around $446 per panel, reflecting their advanced technology and high efficiency.
Installation should be performed by certified professionals to ensure optimal performance and compliance with warranty terms. The process involves site assessment, system design, permitting, and installation, tailored to the specific energy needs and structural considerations of the property.
It’s advisable to consult with authorized REC installers for accurate pricing and installation details.
7. SunPower A-Series 425W
Our Verdict — Best For Simplified Installation
The SunPower A-Series 425W is a high-efficiency solar panel utilizing Maxeon Gen 6 solar cells to deliver reliable energy production.
We think it’s the best for maximizing energy output in limited roof spaces because of its high efficiency of 21.2% and robust performance in diverse environmental conditions.
The Best Part:
Their high efficiency, enabling homeowners to generate more electricity within limited roof space.
The Worst Part:
Higher upfront cost associated with these premium panels, which may impact initial budget considerations.
Best For:
The SunPower A-Series 425W is best for homeowners seeking to maximize energy production from limited roof space who want high-efficiency solar panels with reliable performance.
Top Features
- High Efficiency (21.2%): Maximizes energy production per square foot, ideal for limited roof space.
- Maxeon Gen 6 Solar Cells: Utilize advanced technology for enhanced durability and performance.
- Integrated Microinverter: Simplifies installation and optimizes energy conversion at the panel level.
- 25-Year Warranty: Offers long-term assurance on product quality and energy production.
- Robust Performance: Designed to maintain high output even in partial shade or challenging weather conditions.
Pricing & Installation
Pricing for the SunPower A-Series 425W solar panels varies based on system size, installation complexity, and regional factors.
Installation should be performed by certified SunPower installers to ensure optimal performance and adherence to warranty terms. The process includes site assessment, system design, permitting, and professional installation tailored to the property’s specific energy needs and structural considerations.
Our Top Three Picks
Here’s a quick summary of our top three picks:
- Maxeon 7 — best of the best
- QCells Q.TRON BLK M-G2+/AC — best for extreme weather
- REC Alpha Pure 410AA— best for limited spaces
Here’s a quick comparison of our top seven picks:
| Solar Panel | Efficiency Percentage | Best For |
|---|---|---|
| Maxeon 7 | 24.1% | Best of the Best |
| QCells Q.TRON BLK M-G2+/AC | 22.3% | Extreme Weather |
| Panasonic EverVolt 430 HK2 | 22.2% | High Temperatures |
| LG NeON R | 22.3% | Sleek Design |
| Jinko Solar Tiger Neo 440W | 22.2% | Limited Spaces |
| REC Alpha Pure 410AA | 21.2% | Environmentally Conscious |
| SunPower A-Series 425W | 21.2% | Simplified Installation |
Here are the top 22 solar panels we considered in this review:
- Maxeon 7
- Maxeon 6
- Canadian Solar TOPHiKu6
- REC Alpha Pure
- Panasonic EverVolt
- Jinko Solar Tiger Neo
- SunPower A-Series
- LG NeON R
- Trina Solar Vertex S
- Q CELLS Q.TRON BLK M-G2+/AC
- LONGi Solar Hi-MO 5
- JA Solar DeepBlue 3.0
- First Solar Series 6
- Seraphim Blade
- Hanwha Q CELLS Q.PEAK DUO
- GCL P6/72
- Astronergy ASTRO 5
- Risen Energy Titan
- Canadian Solar HiKu7
- REC TwinPeak 4
- Panasonic HIT N340
- SunPower Performance 3
What are the best solar panels for cloudy days?
The best solar panels for cloudy days are those with high efficiency and excellent low-light performance, such as Maxeon 7, SunPower A-Series, REC Alpha Pure, and Panasonic EverVolt. These panels use advanced monocrystalline or heterojunction (HJT) technology, which allows them to capture more energy even in diffused sunlight.
Do solar panels work if there is no sun?
Solar panels do not require direct sunlight to generate electricity; they work by converting any available light into energy. However, their output is significantly reduced in the absence of sunlight. Even on cloudy days, panels can produce 10-25% of their usual energy output, depending on cloud density.
Can a house run fully on solar panels?
Yes, a house can run entirely on solar panels if it has enough installed capacity, efficient energy storage (such as batteries), and grid backup when needed. The feasibility depends on energy consumption, geographic location, and storage capacity, especially for night-time and cloudy-day use.
Do solar panels work in winter?
Solar panels work in winter because they rely on light, not heat, to generate electricity. In fact, cold temperatures can improve efficiency because solar cells operate better in cooler conditions. However, snow accumulation can temporarily block sunlight and reduce output until it melts or is cleared.
How many hours of sunlight do you need for solar panels?
Most solar systems perform optimally with at least 4 to 5 hours of direct sunlight per day, but they can still generate electricity with less sunlight. The efficiency and energy output depend on the quality of the panels and geographic location.
Do solar panels work in the rain?
Yes, solar panels work in the rain, but their efficiency is reduced because rain clouds block some sunlight. However, rain can also help clean the panels, removing dust and debris, which can improve their performance once the sun returns.
Will solar panels ever reach 50% efficiency?
While today’s solar panels have an efficiency of around 22-23%, researchers are developing multi-junction and perovskite-based solar cells that could push efficiency to 50% or beyond. These technologies are still in the experimental phase but show promise for the future of ultra-efficient solar power.
What is the newest type of solar panel?
The newest type of solar panel technology includes perovskite solar cells, tandem solar cells, and quantum dot solar cells. These next-generation panels are being developed to enhance efficiency and reduce production costs. Perovskite-silicon tandem cells have shown great promise in boosting efficiency beyond current commercial limits.
The Bottom Line
To recap, here are the best solar panels for cloudy days:
- Maxeon 7 – Best of the Best
- QCells Q.TRON BLK M-G2+/AC – best for extreme weather
- Panasonic EverVolt 430 HK2 – best for high temperatures
- LG NeON R – best for sleek design
- Jinko Solar Tiger Neo 440W – best for limited spaces
- REC Alpha Pure 410AA – best for environmentally conscious
- SunPower A-Series 425W – best for simplified installation