Best Solar Panels 2024 - EnergyPal Buyer's Guide

The Best Solar Panels For Your Home

Last updated: August 9, 2024

EnergyPal Team

Looking for the best solar panels for your home? It is easy to focus on just watts, efficiency or price. But what's also important is making sure you get the most value from your solar panels. For most homeowners that value means long term reliable savings. If that's you, keep reading. Here's our guide and recommendations for the best solar panels.

The 8 Best Solar Panels (August 2024)

Monocrystalline

Q Cells

Q.PEAK DUO BLK ML-G10+ 405

Efficiency

20.6%

Wattage

405

Warranty

25 years

Monocrystalline

REC

Alpha REC405AA Pure Black

Efficiency

21.9%

Wattage

405

Warranty

25 years

Monocrystalline

Q Cells

Q.PEAK DUO BLK ML-G10+ 400

Efficiency

20.63%

Wattage

400

Warranty

25 years

Monocrystalline

Q Cells

Q.TRON BLK M-G2+ 420

Efficiency

21.5%

Wattage

420

Warranty

25 years

Monocrystalline

Q Cells

Q.TRON BLK M-G2+ 425

Efficiency

21.8%

Wattage

425

Warranty

25 years

Monocrystalline

REC

REC 360

Efficiency

20.6%

Wattage

360

Warranty

25 years

Monocrystalline

Aptos

DNA 144-440

Efficiency

20.21%

Wattage

440

Warranty

30 years

Monocrystalline

SEG Solar

SIV 410-BMD-HV

Efficiency

21%

Wattage

310

Warranty

25 years

August 2024 Rankings: Top 8 Solar Panel Comparison

We evaluated top solar panels as of August 2024, focusing on residential products from leading manufacturers. Our review assesses performance and technology across their product range, emphasizing efficiency and quality in their panel lineup. The following comparison table lists panel name, cell type, efficiency rating, wattage, and output warranty.

This resource aims to showcase each solar panel's unique features and performance, helping you make an informed decision for your home solar energy needs.

Manufacturer	Panel Name	Cell Type	Efficiency Rating	Wattage	Output Warranty
Q Cells	Q.PEAK DUO BLK ML-G10+ 405	Monocrystalline	20.6%	405	25 years
REC	REC405AA	Monocrystalline	21.9%	405	25 years
Q Cells	Q.PEAK DUO BLK ML-G10.a+ 400	Monocrystalline	20.63	400	25 years
Q Cells	Q.TRON BLK M-G2+ 420	Monocrystalline	21.5%	420	25 years
Q Cells	Q.TRON BLK M-G2+ 425	Monocrystalline	21.8%	425	25 years
REC	REC 360	Monocrystalline	20.6%	360	25 years
Aptos	DNA 144 - 440W	Monocrystalline	20.21%	440	30 years
SEG Solar	SIV 410-BMD-HV	Monocrystalline	21%	410	25 years

When looking into what the best solar panel choice is for your home it’s important to know:

Panel Types

There are three main types of solar panels commonly used for residential installations.

The Solar Panel's Efficiency Rating:

The efficiency rate of a solar panel indicates how effectively it converts sunlight into electricity. It is expressed as a percentage and typically ranges from 15% to 23%. Higher efficiency panels produce more electricity per square foot and are more suitable for homes with limited roof space or those seeking maximum energy output.

Solar Panel Wattage:

The wattage of a solar panel refers to its maximum power output under standard test conditions (STC). It indicates how much electricity the panel can generate at peak performance. Solar panels can come in a range of wattages, and higher wattage panels generate more electricity. Generally panels will range from 350-450 Watts. When selecting a solar panel, consider your household's energy needs and available roof space to determine the optimal wattage.

The Panels Warranty:

Solar panel warranties are crucial for long-term reliability and peace of mind. There are typically two types of warranties:

Product Warranty: This covers defects in the materials and workmanship of the solar panel and is typically valid for 10 to 25 years. A longer product warranty indicates the manufacturer's confidence in the panel's quality.

Performance Warranty: Also known as output warranty and production guarantee. This guarantees the panel's efficiency over time, ensuring that it maintains a certain percentage of its initial power output after a specific number of years (e.g., 80% after 25 years). A robust performance warranty ensures that your panels will continue to produce a significant amount of electricity throughout their lifespan.

Remember that the best solar panel choice for your home depends on your specific requirements, available budget, and roof space. With that in mind, let's look at the solar panel manufacturers.

The Best Solar Panel Manufacturers of 2024

The Best Solar Panel Manufacturers In the world of sustainable energy, choosing the right solar panel manufacturer is crucial. Our comprehensive list includes some of the industry's leading names like REC, Hanwha Q-Cells, Solaria, Panasonic, Silfab Solar, and Aptos. Each of these manufacturers stands out for their exceptional quality, efficiency, and reliability. Here's a detailed overview of what they offer:

Why REC Solar Panels: Innovative solar technology and sustainable manufacturing practices

Efficiency: Up to 21.9%

Warranty: 25-year comprehensive warranty with a 92% production guarantee

Manufacturing Locations: Singapore

Why Q CELLS Panels: Reliable and high-quality solar panels, suitable for a wide range of climatic conditions

Efficiency: Up to 20.3%

Warranty: 25-year warranty and an 85% production guarantee

Manufacturing Locations: South Korea (originally a German company)

Why Solaria Panels: Panels designed for high performance and aesthetics, ideal for residential systems

Efficiency: Up to 20.4%

Warranty: 25-year warranty with an 88% production guarantee

Manufacturing Locations: USA (Fremont, CA)

Why Panasonic Panels: Durability and high energy yield, even in low light conditions

Efficiency: Up to 22.2%

Warranty: 25-year warranty, offering a 92% production guarantee

Manufacturing Locations: Japan, Malaysia, and the United States

Why Silfab Panels: High-efficiency, North American-made solar panels with a strong emphasis on quality control

Efficiency: Up to 21.4%

Warranty: 25-year warranty with a unique 30-year 82.6% production guarantee

Manufacturing Locations: USA and Canada

Why Aptos Panels: Cost-effective and efficient solar solutions

Efficiency: Up to 20.6%

Warranty: 25-year warranty and a 30-year 82.4% production guarantee

Manufacturing Locations: Vietnam

Looking for a different solar manufacturer?

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frequently asked questions

How Can I Assess My Household's Energy Needs for Solar Panels?

To assess your household's energy needs for solar panels, examine your monthly electricity bills to understand your average usage. Consider peak energy times, seasonal changes, and potential future increases in energy consumption. This analysis will help you determine the appropriate size for your solar panel system. Learn more about sizing your solar system here.

What Are the Differences Between Monocrystalline, Polycrystalline, and Thin-Film Solar Panels?

Monocrystalline panels are highly efficient and aesthetically pleasing but are more expensive. Polycrystalline panels are less efficient and cheaper, with a blue hue. Thin-film panels are the least efficient but work well in low-light conditions and have a sleek appearance. Your choice depends on your budget, space, and efficiency needs.

How Does Solar Panel Efficiency Impact Performance?

Solar panel efficiency determines how effectively they convert sunlight into electricity. Higher efficiency panels produce more power per square meter, requiring less space, but are more costly. Choose based on your roof or ground space, budget, and desired energy output.

What Should I Look for in Solar Panel Warranties?

Look for solar panels with a long-term performance warranty (guaranteeing efficiency over time) and a product warranty (covering defects and equipment issues). Longer warranties usually indicate better quality and reliability.

How Do I Evaluate a Solar Panel Manufacturer's Reputation?

Evaluate a manufacturer's reputation by researching customer reviews, industry ratings, and feedback. Reputable companies often have a track record of customer satisfaction and product reliability.

Are There Incentives and Rebates for Solar Panel Installation?

Many regions offer incentives, tax credits, and rebates for solar panel installation. These can significantly reduce initial costs and improve ROI. Check local government and energy department websites for available programs. For home solar incentives in your area, click here.

What Should I Consider When Choosing a Solar Panel Installer?

Choose an experienced and reputable solar panel installer. Proper installation is key to system performance and safety. Compare quotes, check credentials, and read customer reviews to make an informed decision. See our solar installer review database.

What Financing Options Are Available for Solar Panels?

If upfront payment is challenging, consider solar leases or power purchase agreements (PPAs), which let you pay for the solar power generated instead of the panels themselves. Learn more about solar financing options.

What Maintenance and Durability Should I Expect from Solar Panels?

Solar panels require minimal maintenance, mainly periodic cleaning and inspections. Choose panels made from durable materials with a robust frame to withstand local weather conditions.

What Local Regulations and Permits Are Required for Solar Panel Installation?

Local regulations and permits vary. They may include placement restrictions and specific installation permits. Contact your local government or a professional installer for detailed information. More information on permits here.

What is the Payback Period and ROI for Solar Panel Systems, and How is it Calculated?

The payback period for a solar panel system is the time it takes to recoup your initial investment through energy savings. To calculate it, divide the total cost of the solar panel system by the annual financial benefits (energy savings and any incentives). The return on investment (ROI) is calculated by dividing the net benefits (total benefits minus the cost) by the cost, then multiplying by 100 to get a percentage. This figure helps you understand the financial return and efficiency of your solar investment over time.

Need help with what we just covered? Our Solar Advisors will help you determine which panels are best for your home. Get a free customized solar panel quote for your home today!