2026 Solar Panel Efficiency Index: 110 Panels Ranked

Last updated: February 2026 · 110 panels from 32 brands · Data from official manufacturer datasheets

This index ranks every solar panel in our database by module efficiency, from highest to lowest. Efficiency determines how much power a panel produces per square foot of roof space -- a critical metric for homeowners with limited roof area. We also break down average efficiency by brand and cell technology to reveal which manufacturers and technologies lead the market in 2026.

110

Panels Ranked

25%

Highest Efficiency

21.4%

Database Average

Brands Tracked

Methodology

Every efficiency figure in this index comes directly from the manufacturer's official datasheet, measured under Standard Test Conditions (STC: 1000 W/m2 irradiance, 25C cell temperature, AM 1.5 spectrum). We do not use third-party estimates or marketing claims. Module efficiency is calculated as rated wattage divided by panel area, expressed as a percentage. Panels are ranked by this STC efficiency from highest to lowest. Where two panels share the same efficiency, the panel with the better temperature coefficient ranks higher, as it will produce more real-world energy in typical operating conditions. We include the wattage, cell type, warranty length, and temperature coefficient alongside each panel so you can evaluate the full picture -- not just the headline efficiency number.

Full Efficiency Ranking: 110 Solar Panels

Every solar panel in our database, ranked from highest to lowest module efficiency. Click any model name to view complete specifications including dimensions, electrical characteristics, and certifications.

Rank	Brand	Model	Wattage	Efficiency (%)	Cell Type	Warranty (yr)	Temp Coeff (%/C)
1	Renogy	200W 24V Mono N-Type Solar Panel	200W	25%	N-Type Monocrystalline	5/25	-0.3
2	Renogy	100W Portable Solar Panel	100W	23.5%	Monocrystalline	2/2	-0.37
3	Risen Energy	Hyper-ion HJT 700W	700W	23%	HJT	15/30	-0.25
4	LONGi	Hi-MO 7 620W	620W	23%	HPBC	12/30	-0.28
5	LONGi	Hi-MO 7 590W	590W	22.8%	HPBC	12/30	-0.28
6	Trina Solar	Vertex N+ 600W	600W	22.8%	TOPCon N-type	15/30	-0.28
7	JinkoSolar	Tiger Neo 615W	615W	22.8%	TOPCon N-type	15/30	-0.28
8	Maxeon	Maxeon 7 470W	470W	22.8%	IBC	40/40	-0.27
9	Renogy	450W Bifacial Mono Solar Panel	450W	22.8%	N-Type Monocrystalline	12/25	-0.29
10	JinkoSolar	Tiger Neo N-type 480W	480W	22.7%	TOPCon N-type	15/30	-0.29
11	JA Solar	JAM78S30 590W	590W	22.6%	TOPCon N-type	15/30	-0.28
12	JinkoSolar	Tiger Neo 475W	475W	22.6%	TOPCon N-type	15/30	-0.29
13	REC	Alpha Pure-RX 470W	470W	22.6%	HJT	25/25	-0.24
14	Trina Solar	Vertex N 590W	590W	22.5%	TOPCon N-type	15/30	-0.29
15	Canadian Solar	HiKu7 600W	600W	22.5%	TOPCon N-type	15/30	-0.29
16	Maxeon	Maxeon 6 AC 440W	440W	22.5%	IBC	25/25	-0.27
17	Tongwei	THN-EP08M10 580W	580W	22.5%	TOPCon N-type	12/25	-0.29
18	Trina Solar	Vertex S+ NEG9RC 450W	450W	22.5%	TOPCon N-type	15/30	-0.29
19	JA Solar	DeepBlue 4.0 Pro 460W	460W	22.4%	TOPCon N-type	15/30	-0.29
20	Mission Solar	MSE TOPCon 60 SQ12S 460W	460W	22.4%	TOPCon N-Type Mono	25/30	-0.3
21	Astronergy	ASTRO N7 580W	580W	22.4%	TOPCon N-type	15/30	-0.29
22	ZNShine Solar	ZXM7-NHLD144 580W	580W	22.4%	TOPCon N-type	15/30	-0.29
23	Trina Solar	Vertex N 580W Bifacial	580W	22.4%	TOPCon N-type Bifacial	15/30	-0.29
24	LONGi	Hi-MO 6 580W	580W	22.3%	HPBC	12/25	-0.29
25	Trina Solar	Vertex S+ 445W	445W	22.3%	TOPCon N-type	15/30	-0.29
26	Canadian Solar	BiHiKu7 670W	670W	22.3%	TOPCon N-type Bifacial	15/30	-0.28
27	REC	Alpha Pure R 430W	430W	22.3%	HJT	25/30	-0.26
28	LONGi	Hi-MO X6 Max 470W	470W	22.3%	TOPCon N-type	15/30	-0.29
29	JinkoSolar	Tiger Neo 440W	440W	22.2%	TOPCon N-type	15/30	-0.29
30	REC	Alpha Pure-R 460W	460W	22.2%	HJT	25/25	-0.26
31	Maxeon	Maxeon 6 425W	425W	22.2%	IBC	40/40	-0.27
32	Maxeon	Maxeon 3 410W	410W	22.2%	IBC	25/25	-0.27
33	Panasonic	EverVolt HK 430W	430W	22.2%	HJT	25/25	-0.26
34	Canadian Solar	TOPBiHiKu7 580W	580W	22.1%	TOPCon N-type Bifacial	15/30	-0.29
35	Risen Energy	Titan S 440W	440W	22.1%	TOPCon N-type	12/25	-0.29
36	LONGi	Hi-MO X6 445W	445W	22%	TOPCon N-type	12/25	-0.29
37	LONGi	Hi-MO 6 Scientist 550W	550W	22%	PERC Mono	12/25	-0.34
38	Boviet Solar	Vega 460W	460W	22%	TOPCon N-type	15/30	-0.29
39	Seraphim	SRP-445-BMA-HV	445W	22%	TOPCon N-type	15/30	-0.29
40	Talesun	HiPro TPD-M12-430	430W	22%	TOPCon N-type	15/30	-0.29
41	LONGi	Hi-MO 6 Artist 440W	440W	22%	PERC Mono	12/25	-0.34
42	JinkoSolar	Tiger Neo S 430W	430W	22%	TOPCon N-type	15/30	-0.29
43	Hyundai	HiE-S485VG	485W	22%	TOPCon N-type	25/25	-0.3
44	Q CELLS	Q.TRON 425W	425W	21.8%	TOPCon N-type	25/25	-0.29
45	Silfab	SIL-500-NX 500W	500W	21.8%	TOPCon N-type	25/30	-0.29
46	Phono Solar	TwinPlus 450W	450W	21.8%	TOPCon N-type	15/30	-0.29
47	Waaree	WS-440	440W	21.8%	TOPCon N-type	12/25	-0.3
48	Meyer Burger	White 400W	400W	21.7%	HJT	25/30	-0.26
49	LONGi	Hi-MO 6 Explorer 430W	430W	21.6%	PERC Mono	12/25	-0.34
50	Q CELLS	Q.TRON BLK M-G2+ 420W	420W	21.6%	TOPCon N-type	25/25	-0.29
51	Panasonic	EverVolt H 410W	410W	21.6%	HJT	25/25	-0.26
52	Yingli Solar	PANDA 3.0 PRO 430W	430W	21.6%	TOPCon N-type	12/30	-0.29
53	Renogy	100W 12V Mono Solar Panel	100W	21.6%	Monocrystalline	5/25	-0.37
54	JA Solar	JAM54S31 415W	415W	21.5%	PERC Mono	12/25	-0.34
55	Panasonic	EverVolt 410	410W	21.5%	HJT	25/25	-0.26
56	Silfab	Elite SIL-420	420W	21.5%	TOPCon N-type	25/30	-0.29
57	Tongwei	THN-PE14M10 450W	450W	21.5%	PERC Mono	12/25	-0.34
58	Talesun	Bistar Plus 455W	455W	21.5%	PERC Mono	12/25	-0.34
59	Hyundai	HiE-S420VG	420W	21.5%	TOPCon N-type	25/25	-0.3
60	Heliene	108M10 420W	420W	21.5%	Mono PERC Half-cut	25/25	-0.34
61	Canadian Solar	HiKu6 455W	455W	21.4%	PERC Mono	12/25	-0.34
62	JinkoSolar	Tiger Pro 550W	550W	21.4%	PERC Mono	12/25	-0.34
63	REC	TwinPeak 5 420W	420W	21.4%	PERC Mono	20/25	-0.32
64	Hanwha	Q.PEAK DUO XL-G11 480W	480W	21.4%	PERC Mono	12/25	-0.34
65	Trina Solar	Vertex S 420W	420W	21.3%	PERC Mono	15/25	-0.34
66	JA Solar	JAM72S30 540W	540W	21.3%	PERC Mono	12/25	-0.34
67	Astronergy	ASTRO N5 460W	460W	21.3%	PERC Mono	12/25	-0.34
68	Hanwha	Q.TRON G11S 410W	410W	21.3%	TOPCon N-type	25/25	-0.29
69	Yingli Solar	YLM 144 Cell 550W	550W	21.3%	PERC Mono	12/25	-0.34
70	Aptos Solar	DNA-144-BF10 550W DG	550W	21.3%	PERC Mono Bifacial	30/30	-0.39
71	Solaria	PowerXT 430R	430W	21.3%	Shingled Mono PERC	25/25	-0.34
72	Aptos Solar	DNA-120-MF10 460W	460W	21.26%	PERC Mono	30/30	-0.35
73	Aptos Solar	DNA-120-BF10 460W	460W	21.26%	PERC Mono Bifacial	30/30	-0.35
74	Aptos Solar	DNA-108-MF10 415W	415W	21.25%	PERC Mono	30/30	-0.32
75	Aptos Solar	DNA-108-BF10 415W	415W	21.25%	PERC Mono Bifacial	30/30	-0.32
76	Panasonic	EVPV400H	400W	21.2%	HJT	25/25	-0.26
77	Silfab	SIL-410-BG 410W	410W	21.2%	PERC Mono	25/30	-0.34
78	Seraphim	S4 Series 430W	430W	21.2%	PERC Mono	12/25	-0.34
79	Meyer Burger	Glass 390W	390W	21.2%	HJT	25/30	-0.26
80	Waaree	WS-545 Bifacial	545W	21.2%	TOPCon N-type Bifacial	12/30	-0.3
81	Phono Solar	DrivenStar 545W	545W	21.1%	PERC Mono	12/25	-0.34
82	Trina Solar	DE09R 430W	430W	21%	PERC Mono	12/25	-0.34
83	Canadian Solar	CS6R 420W	420W	21%	PERC Mono	12/25	-0.34
84	Mission Solar	MSE415	415W	21%	PERC Mono	25/25	-0.34
85	ZNShine Solar	ZXM6-SHLD108 420W	420W	21%	PERC Mono	12/25	-0.34
86	Heliene	144HJT 440W	440W	21%	HJT	25/30	-0.26
87	JA Solar	DeepBlue 3.0 400W	400W	20.9%	PERC Mono	12/25	-0.35
88	Q CELLS	Q.PEAK DUO BLK ML-G10+ 400W	400W	20.9%	PERC Mono	25/25	-0.34
89	Boviet Solar	Vega 400W	400W	20.8%	PERC Mono	12/25	-0.35
90	JinkoSolar	Tiger Pro 60HC 400W	400W	20.8%	PERC Mono	12/25	-0.35
91	Mission Solar	MSE400	400W	20.6%	PERC Mono	25/25	-0.35
92	Mission Solar	MSE PERC 66 SQ9S 420W	420W	20.6%	PERC Mono	12/25	-0.36
93	Solaria	PowerXT 400R Pure Black	400W	20.5%	Shingled Mono PERC	25/25	-0.34
94	Q CELLS	Q.PEAK DUO 370W	370W	20.4%	PERC Mono	12/25	-0.35
95	Silfab	SIL-370-BK 370W	370W	20.4%	PERC Mono	25/25	-0.35
96	Renogy	320W Mono Solar Panel	320W	20.3%	Monocrystalline	5/25	-0.35
97	Aptos Solar	DNA-120-MF26 370W	370W	20.28%	PERC Mono	25/30	-0.36
98	Aptos Solar	DNA-120-BF26 370W	370W	20.28%	PERC Mono Bifacial	25/30	-0.36
99	Aptos Solar	DNA-144-MF26 440W	440W	20.21%	PERC Mono	25/30	-0.35
100	Aptos Solar	DNA-144-BF26 440W	440W	20.21%	PERC Mono Bifacial	25/30	-0.35
101	Aptos Solar	DNA-144-MF26 440W Silver	440W	20.21%	PERC Mono	25/30	-0.35
102	Mission Solar	MSE PERC 60 SQ9S 380W	380W	20.2%	PERC Mono	12/25	-0.36
103	Mission Solar	MSE PERC 72 385W	385W	20%	PERC Mono	25/25	-0.35
104	CertainTeed	Solstice Solar Panel 365W	365W	19.9%	Monocrystalline PERC	10/25	-0.36
105	First Solar	Series 7 545W	545W	19.8%	CdTe	10/30	-0.28
106	First Solar	Series 6 Plus 465W	465W	19.2%	CdTe	10/30	-0.28
107	Tesla	Solar Roof Tile	71.67W	15.5%	Monocrystalline	25/25	-0.4
108	CertainTeed	Solstice Solar Shingle	70W	15.4%	Monocrystalline	15/25	-0.4
109	GAF Energy	Timberline Solar ES	67W	15%	Monocrystalline	25/25	-0.41
110	GAF Energy	Timberline Solar HD	45W	12%	Monocrystalline	25/25	-0.42

Warranty shown as product/performance years. All data from manufacturer datasheets under STC. Compare any two panels side-by-side.

Brand Average Efficiency

Average module efficiency across all models from each brand in our database. Brands with a mix of premium and budget lines (e.g., LONGi with both HPBC and PERC models) will show a blended average. Brands specializing in a single high-efficiency technology (e.g., Maxeon with IBC) tend to rank highest.

Rank	Brand	Avg Efficiency (%)	Models in Database
1	Renogy	22.64%	5
2	Risen Energy	22.55%	2
3	Maxeon	22.43%	4
4	LONGi	22.25%	8
5	REC	22.13%	4
6	Trina Solar	22.11%	7
7	JinkoSolar	22.07%	7
8	Tongwei	22%	2
9	Canadian Solar	21.86%	5
10	Astronergy	21.85%	2
11	Talesun	21.75%	2
12	Hyundai	21.75%	2
13	JA Solar	21.74%	5
14	ZNShine Solar	21.7%	2
15	Panasonic	21.63%	4
16	Seraphim	21.6%	2
17	Waaree	21.5%	2
18	Phono Solar	21.45%	2
19	Yingli Solar	21.45%	2
20	Meyer Burger	21.45%	2
21	Boviet Solar	21.4%	2
22	Hanwha	21.35%	2
23	Heliene	21.25%	2
24	Silfab	21.23%	4
25	Q CELLS	21.17%	4
26	Solaria	20.9%	2
27	Mission Solar	20.8%	6
28	Aptos Solar	20.75%	10
29	First Solar	19.5%	2
30	CertainTeed	17.65%	2
31	Tesla	15.5%	1
32	GAF Energy	13.5%	2

Key Findings: Technology Trends in 2026

The solar panel market in 2026 is defined by the rapid displacement of PERC technology by next-generation cell architectures. Our efficiency data reveals clear technology tiers that correspond to real performance differences.

TOPCon Dominates the Mid-Range (36 models, avg 22.1%)

TOPCon N-type panels represent the largest segment of high-efficiency panels, with 36 models in our database. Their efficiency ranges from 21.2% to 22.8%, with most clustered between 21.5-22.8%. TOPCon offers the best balance of efficiency, temperature performance (-0.28 to -0.30%/C), and cost. Nearly every major manufacturer now offers TOPCon panels, making them the new mainstream technology.

HJT Leads in Temperature Performance (11 models, avg 21.9%)

Heterojunction (HJT) panels from REC, Panasonic, Risen, Meyer Burger, and Heliene achieve the best temperature coefficients (-0.24 to -0.26%/C) in our database. The Risen Hyper-ion HJT 700W reaches 23.0% efficiency -- tied for the highest in our index. HJT panels also tend to have the lowest degradation rates, making them ideal for hot climates and homeowners prioritizing lifetime energy output. The premium is typically 10-20% over TOPCon.

IBC and HPBC: The Efficiency Leaders (7 models)

Back-contact technologies (Maxeon's IBC and LONGi's HPBC) achieve the highest sustained efficiencies. Maxeon's IBC panels range from 22.2% to 22.8%, while LONGi's HPBC panels reach 22.8-23.0%. These technologies eliminate front-side busbars, maximizing light capture and delivering the best power density per panel area. Maxeon further differentiates with 0.25%/year degradation and 40-year warranties.

PERC Is Fading (45 models, avg 21.0%)

PERC monocrystalline panels still make up 45 of the 110 models in our database, but their efficiency ceiling (around 22.3%) has been surpassed by all next-generation technologies. PERC panels also have worse temperature coefficients (-0.32 to -0.36%/C) and higher degradation rates (0.40-0.55%/year). In 2026, there is little reason to choose PERC over TOPCon unless the price difference is substantial.

Best Value Analysis: Efficiency per Dollar

Raw efficiency does not tell the whole story. The best value comes from panels that combine strong efficiency with reasonable pricing, low degradation, and long warranties. Here is how the major efficiency tiers compare on a value basis in 2026.

Best Overall Value: TOPCon N-type (21.5-22.8% efficiency)

TOPCon panels from Trina, JinkoSolar, Canadian Solar, and JA Solar offer 21.5-22.8% efficiency at approximately $0.25-$0.40/watt for panels alone. Installed system costs typically run $2.60-$3.10/watt. With the residential ITC repealed, these value-oriented panels help minimize the payback period. The Trina Vertex S+ 445W and JinkoSolar Tiger Neo 475W stand out as top value picks.

Best for Hot Climates: HJT (21.0-23.0% efficiency)

In states like Arizona, Texas, and Florida where rooftop temperatures routinely exceed 60C, the superior temperature coefficient of HJT panels (-0.24 to -0.26%/C vs -0.29%/C for TOPCon) translates to 3-5% more real-world energy production. Over 25 years, this gap can be worth $1,500-$3,000 in additional electricity savings, often justifying the 10-20% price premium. The REC Alpha Pure-RX 470W leads this category.

Best Lifetime Value: IBC (22.2-22.8% efficiency)

Maxeon's IBC panels have the highest upfront cost but the lowest lifetime cost of energy thanks to 0.25%/year degradation and 40-year warranties. A Maxeon 7 panel will still produce over 90% of its rated power after 40 years, while a typical PERC panel may produce only 78% after 25 years. For homeowners who plan to stay in their home long-term, the Maxeon 7 470W offers the best total energy per dollar invested over the system's full lifetime.

Frequently Asked Questions

What is the most efficient solar panel available in 2026?

Based on our database of 110 panels from 32 brands, the highest-efficiency panels are the Risen Hyper-ion HJT 700W and LONGi Hi-MO 7 620W, both achieving 23.0% module efficiency. These are followed by panels from Maxeon, JinkoSolar, and LONGi in the 22.8% range. Note that small-format specialty panels like the Renogy 200W claim higher per-cell efficiency but are not directly comparable to standard residential modules.

Does higher efficiency always mean a better solar panel?

Not necessarily. While higher efficiency means more power per square foot of roof space, other factors matter significantly. Temperature coefficient affects real-world output in hot climates, degradation rate determines lifetime energy production, and warranty length protects your investment. A 22% efficient panel with 0.25%/year degradation and a 40-year warranty can produce more total energy over its lifetime than a 23% panel with 0.55%/year degradation and a 12-year warranty.

Which cell technology is most efficient: TOPCon, HJT, or IBC?

In our database, HPBC (LONGi's back-contact N-type) and HJT panels achieve the highest peak efficiencies at 23.0%. IBC panels from Maxeon reach 22.8%, matching the best TOPCon panels. On average, IBC panels have the highest mean efficiency at 22.4%, followed by HPBC at 22.7%, HJT at 21.9%, and TOPCon at 22.1%. PERC panels average 21.0%. Each technology has trade-offs in price, temperature performance, and degradation.

How much do high-efficiency solar panels cost per watt?

High-efficiency solar panels (22%+) typically cost $0.40-$0.80 per watt for the panel alone, compared to $0.25-$0.40 for standard PERC panels. However, fewer high-efficiency panels are needed to reach the same system size, which can reduce racking, wiring, and labor costs. For a fully installed residential system in 2026, expect $2.60-$3.50 per watt depending on panel choice, location, and installer. With the residential ITC repealed, optimizing per-watt cost is more important than ever.

Last updated: February 2026. All specifications from manufacturer datasheets under Standard Test Conditions. Verify with your installer before purchase.