Best Solar Panels 2025

Comprehensive rankings based on transparent methodology. We analyze 500+ panels across 12 technical criteria to deliver unbiased, data-driven recommendations.

500+ Panels Analyzed
12 Technical Metrics
Transparent Scoring
Updated Monthly
22.8%
Highest Efficiency
SunPower Maxeon 6
40yr
Longest Warranty
SunPower Series
95%
Best Temp Coeff
-0.26%/°C
278
Tier-1 Brands
Bankable

Our Transparent Methodology

Unlike other ranking sites that hide their methodology, we publish every detail of our scoring system. Here's exactly how we evaluate and rank solar panels.

12-Factor Scoring System (Total: 100 points)

20

Efficiency

Panel efficiency rating

Formula: (Panel Efficiency - 18%) × 100
15

Warranty

Product + performance warranty

25yr = 10pts, 30yr = 12pts, 40yr = 15pts
12

Temperature Coeff.

Heat performance

Better temp coeff = higher score
10

Bankability

Bloomberg Tier rating

Tier-1 = 10pts, Tier-2 = 6pts, Tier-3 = 3pts
8

Degradation

Annual power loss rate

Lower degradation = higher score
8

Build Quality

Materials & construction

Frame, glass, backsheet quality
7

Certifications

UL, IEC, CEC listings

More certifications = higher score
6

Serviceability

US presence & support

Local warehouses, service centers
5

Track Record

Years in market

Longer history = higher score
4

Innovation

Technology advancement

Bifacial, PERC, HJT technologies
3

Environmental

Carbon footprint

Manufacturing sustainability
2

Aesthetics

Visual appeal

All-black, sleek design

Our Data Sources

CEC Database

California Energy Commission certified equipment database

Manufacturer Specs

Official datasheets from manufacturers

Bloomberg NEF

Tier rankings and bankability data

Lab Testing

Independent testing results when available

Our Transparency Commitment

We believe consumers deserve to know exactly how products are ranked. That's why we publish our complete methodology, data sources, and even the specific formulas we use for scoring.

Full Transparency No Hidden Bias Monthly Updates Independent Analysis

Top 10 Solar Panels 2025

Based on our comprehensive analysis of 500+ panels across 12 technical criteria. Scores updated monthly with latest performance data.

#1 OVERALL WINNER
22.8% Efficiency

SunPower Maxeon 6

SPR-MAX6-440 (440W)

94.2
Overall Score

Technical Performance

Efficiency
19.2/20
Temperature Coeff
11.0/12
Degradation Rate
8.0/8
Build Quality
8.0/8

Business & Support

Warranty
15.0/15
Bankability
10.0/10
Serviceability
5.0/6
Track Record
5.0/5

Why It's #1

22.8% Efficiency 40-year Warranty Best Temp Coeff Tier-1 Bankable
2

REC Alpha Pure-RX

REC430AA (430W)

91.8
Score
Efficiency
22.3%
Warranty
25yr
Temp Coeff
-0.26%/°C
Bifacial
Yes (80%)
High Efficiency Bifacial Tier-1
3

Panasonic EverVolt

EVPV410H (410W)

Score
89.4
Efficiency
22.1%
Warranty
25yr
Temp Coeff
-0.26%/°C
4

LG NeON R Prime

LG405N2W-A5 (405W)

Score
87.6
Efficiency
21.8%
Warranty
25yr
Temp Coeff
-0.35%/°C
5

Q CELLS Q.PEAK DUO

QPD-BLK-ML-G10+ (405W)

Score
85.9
Efficiency
20.6%
Warranty
25yr
Temp Coeff
-0.34%/°C
View Full Rankings (All 500+ Panels)

Compare all panels with advanced spec-first filtering

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Found your ideal panel? Get competitive quotes from 2-3 pre-screened local installers who specialize in your selected panel brands.

Transparent Matching: We match you with installers based on proximity, certifications, and panel expertise. Installers pay a referral fee only after successful project completion.

1 Panel Preference

2 Project Details

3 Contact Information

We'll connect you with 2-3 certified installers within 24 hours

How Our Installer Matching Works

1. Smart Filtering

We match based on location, panel expertise, certifications, and project size experience

2. Quality Screening

Only installers with NABCEP certification, proper licensing, and 4.5+ star ratings

3. Transparent Matching

We disclose our matching criteria and installer relationships upfront - no hidden fees

Our Installer Requirements

NABCEP Certified Licensed & Insured 4.5+ Star Rating 50+ Installs Background Checked

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