Skip to main content
Maxeon Brand review

SPR-BE66-GD600

600 Wp Back Contact Bifacial 1000%
ComparePV verdict

Warranty pick, no clear weak spot

Rank 8 of 14,269
Compare panels Datasheet PDF
Power (Wp)
600
Weak · bottom 4%
Efficiency (%)
24.20
Strong · top 20%
Density (Wp/m²)
241.6
Strong · top 22%
Temp (%/°C)
-0.260
Typical · median -0.260
Weight (kg)
30.1
Typical · median 32.3 kg
Warranty (yrs)
40
Strong · top 3%

The SunPower Origin series is a commercial solar panel line engineered to maximize return on investment for business and industrial installations. At its core is a unique back-contact shingled cell technology, where all electrical connections sit on the rear of the cell - this eliminates shading losses caused by front-side wiring and allows more active cell area to be packed into each panel. The panels feature bifacial energy production, so reflected light from the surrounding surface translates into a real boost in energy yield from the same roof or ground footprint. The series stands out for its high resistance to micro-cracks, soiling, wind, hail, and extreme heat, ensuring stable performance even in harsh climates and helping lower the levelized cost of energy (LCOE) over the system's lifetime. Commercial investors will also value the market's lowest power degradation rate and strong output under partial shading conditions. The entire line is backed by a 40-year warranty covering product, power, and service, making Origin a solution built for businesses seeking predictable, long-term returns from their PV installations.

Ranking

78 panels in the segment Back Contact 600-650 W
Metric This panel Median Position in segment Overall rank
Module efficiency 24.20% 23.75% Strong · top 20% 233
Power density 241.6 237.5 Strong · top 22% 264
Temperature coefficient -0.260 -0.260 Typical 521
Weight per kWp 50.2 50.4 Typical 3,699
Performance warranty 40 yrs 30 yrs Strong · top 3% 1
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

3 positive · 0 caution
Best for

Owners who value a long output guarantee, small roofs that need every watt and roofs where every square metre counts.

Strengths
40 year performance warranty

Top 3% of the Back Contact 600-650 W segment, against a median of 30 yrs. Ranked 1st in the whole database.

24.20% module efficiency

Top 20% of the Back Contact 600-650 W segment, against a median of 23.75%.

241.6 watts per square metre

Top 22% of the Back Contact 600-650 W segment, against a median of 237.5.

Specifications

Open datasheet PDF
Nominal power (Pmax) 600 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 24.20 % Strong Segment median 23.75%
Vmpp · Impp 41.33 V · 14.52 A Operating point at max power
Voc · Isc 49.59 V · 15.30 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2190×1134×30 mm · 2.48 m² of roof
Weight 30.1 kg Typical Typical · median 32.3 kg
Bifaciality 1000 % Rear output as a share of front
Coefficient Pmax -0.260 %/°C Typical median -0.260 of its segment
Coefficient Voc · Isc -0.220 · 0.050 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 40 years Hardware defects only
Performance warranty 40 years Strong top 3% · median 30 yrs
Degradation 1.00 → 0.25 % First year, then annual

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-
With bifacial gain
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.260 %/°C against a segment median of -0.260
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Maxeon SPR-BE66-GD600 600 W 24.20% -0.260 30.1 kg You are here
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +50 W, +1.0 pp, -10 yr warranty
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +45 W, +0.8 pp, -10 yr warranty
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg -40 W, lighter, -10 yr warranty
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +40 W, lighter, -10 yr warranty
SPR-BE66-GD615 615 W 24.80% -0.260 30.1 kg +15 W, +0.6 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg -45 W, lighter, -10 yr warranty
SPR-BE66-GD595 595 W 24.00% -0.260 30.1 kg Very close match
SPR-BE66-GD605 605 W 24.40% -0.260 30.1 kg Very close match
SPR-BE66-GD610 610 W 24.60% -0.260 30.1 kg +10 W, +0.4 pp
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg +35 W, lighter, -10 yr warranty
AIKO-A630-MAH72Dw 630 W 24.40% -0.260 32.5 kg +30 W, heavier, -10 yr warranty

Found 30 panels of the same or similar size to this one, within ±10 mm. See them here Found 53 panels of the same or similar size to this one, within ±25 mm. See them here Found 123 panels of the same or similar size to this one, within ±50 mm. See them here Found 3258 panels of the same or similar size to this one, within ±100 mm. See them here

Add to compare