HD Solar Solar Panels Review 2026

Comprehensive analysis of HD Solar's solar panel portfolio — 7 panels reviewed with detailed specifications, efficiency data, and technology breakdown.

7 Panels Up to 23.5% Efficiency 605W – 635W

HD Solar

Company Overview

Key Statistics

Total Panels 7

Avg. Efficiency 23.0%

Max Efficiency 23.5%

Power Range 605W – 635W

Avg. Power 620W

Avg. Temp Coeff -0.30%/°C

Bifacial Panels 7 (100%)

Avg. Warranty 30 years

Technology Breakdown

Cell Technologies

TOPCon 7 panels (100.0%)

Power Distribution

600-699W 7 panels (100.0%)

Top Picks from HD Solar

Most Efficient

#	Model	Power	Efficiency	Tech
1	HD-N-G12-635	635W	23.5%	Monocrystalline
2	HD-N-G12-630	630W	23.3%	Monocrystalline
3	HD-N-G12-625	625W	23.1%	Monocrystalline
4	HD-N-G12-620	620W	23.0%	Monocrystalline
5	HD-N-G12-615	615W	22.8%	Monocrystalline

Highest Power

#	Model	Power	Efficiency	Tech
1	HD-N-G12-635	635W	23.5%	Monocrystalline
2	HD-N-G12-630	630W	23.3%	Monocrystalline
3	HD-N-G12-625	625W	23.1%	Monocrystalline
4	HD-N-G12-620	620W	23.0%	Monocrystalline
5	HD-N-G12-615	615W	22.8%	Monocrystalline

Best HD Solar Panels by Use Case

Best for Commercial

500W+, ranked by power output

#1 HD-N-G12-635

635W 23.5%

#2 HD-N-G12-630

630W 23.3%

#3 HD-N-G12-625

625W 23.1%

#4 HD-N-G12-620

620W 23.0%

#5 HD-N-G12-615

615W 22.8%

Best Bifacial

Dual-sided panels, ranked by efficiency

#1 HD-N-G12-635

23.5% 635W

#2 HD-N-G12-630

23.3% 630W

#3 HD-N-G12-625

23.1% 625W

#4 HD-N-G12-620

23.0% 620W

#5 HD-N-G12-615

22.8% 615W

Pros & Cons

Strengths

High-efficiency panels available (up to 23.5%)
Strong bifacial lineup — 100% of portfolio supports dual-sided generation
Strong warranty coverage averaging 30 years
High-power panels available (up to 635W) for commercial applications

Efficiency Distribution

22-23%

42.9%

23%+

57.1%

Frequently Asked Questions

HD Solar offers 7 solar panel models with an average efficiency of 23.0%. Check their full panel lineup on ComparePV to find the best model for your needs.

HD Solar manufactures panels ranging from 605W to 635W, covering both residential and commercial applications. Their portfolio includes TOPCon (100%) cell technologies.

HD Solar panels have an average efficiency of 23.0%, with their most efficient model reaching 23.5%. This puts them among the industry leaders in the current market.

Yes, HD Solar offers 7 bifacial panels, representing 100% of their portfolio. Bifacial panels can generate additional energy from the rear side, making them ideal for ground-mounted systems.

HD Solar panels come with an average performance warranty of 30 years. This warranty guarantees that the panels will maintain a specified level of power output over time, protecting your investment against degradation beyond normal levels.

HD Solar offers panels in the residential-friendly 380–460W range. For home installations, look for models with high efficiency and compact dimensions to maximize power from limited roof space. Browse their full lineup on ComparePV to filter by power range and specifications.

Yes, HD Solar has adopted TOPCon (Tunnel Oxide Passivated Contact) cell technology in part of their portfolio. TOPCon cells offer higher efficiency and better temperature performance compared to older PERC technology, making them a strong choice for maximizing energy production.

The Verdict

HD Solar is an industry leader in efficiency, offering 7 panels suitable for commercial and utility-scale projects. With an average efficiency of 23.0% and top models reaching 23.5%, their panels deliver competitive performance.