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580 vs 590 16 of 19 identical Swap Change panels

VEDA Solar VSN-G2-72H-580 vs VEDA Solar VSN-G2-72H-590

VEDA Solar
VSN-G2-72H-580
580 Wp 22.45 % TOPCon Bifacial
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VS
VEDA Solar
VSN-G2-72H-590
590 Wp 22.84 % TOPCon Bifacial
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The verdict

590 leads on the differences that matter

The largest is module efficiency: 0.39 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences
How alike are they
16 of 19 comparable
parameters are identical
identical differs
01

What actually differs

3 of 19 parameters
Parameter 580 590 Difference
Module efficiency 22.45 % 22.84 % 0.39 pp more efficient
Power density 224.5 Wp/m² 228.4 Wp/m² 3.9 Wp/m² higher
Rated power 580 Wp 590 Wp 10 W more power
02

What it means on a roof

Thirty years of production
Each panel's own declared degradation curve, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.280 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
580
19,460 kWh
590
19,796 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 580 590
Standard test conditions 25 °C 100.0% of rated power 580 W 590 W
Cool, bright day 40 °C 95.8% of rated power 556 W 565 W
Typical summer roof 55 °C 91.6% of rated power 531 W 540 W
Hot roof 70 °C 87.4% of rated power 507 W 516 W
03

Full specification

Parameter 580 590 Difference
Power and efficiency
Rated power 580 Wp 590 Wp +10 W for 590
Module efficiency 22.45 % 22.84 % +0.39 pp for 590
Power density 224.5 Wp/m² 228.4 Wp/m² +3.9 Wp/m² for 590
Open-circuit voltage 52.50 V 52.90 V Effectively the same
Voltage at max power 43.88 V 44.17 V Effectively the same
Short-circuit current 13.95 A 14.07 A Effectively the same
Current at max power 13.22 A 13.36 A Effectively the same
Temperature
Temperature coefficient -0.280 %/°C -0.280 %/°C Same
Mechanical
Dimensions 2278x1134x30 mm 2278x1134x30 mm Same
Module area 2.583 m² 2.583 m² Same
Weight 32.0 kg 32.0 kg Same
Weight per kWp 55.2 kg/kWp 54.2 kg/kWp Effectively the same
Warranty and degradation
Product warranty 12 yrs 12 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 144 144 Same
Bifacial Yes Yes Same
04

Against the whole database

13,953 panels
Efficiency
#4,566 vs #2,585
590 leads by 1,981 places
Power density
#4,493 vs #2,566
590 leads by 1,927 places
Heat behaviour
#1,290 vs #1,290
Tied - the same position in the database
Weight
#9,529 vs #8,428
590 leads by 1,101 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#4,521 vs #3,725
590 leads by 796 places
05

More useful comparisons

Open the full database
Same series, other bin
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VEDA Solar VSN-G2-72H-580 vs VEDA Solar VSN-G2-72H-610
5 differences, the largest is module efficiency
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VEDA Solar VSN-G2-72H-580 vs VEDA Solar VSN-G2-72H-600
3 differences, the largest is module efficiency
Same series, other bin
VEDA Solar
VEDA Solar VSN-G2-72H-580 vs VEDA Solar VSN-G2-72H-570
3 differences, the largest is module efficiency
Same series, other bin
VEDA Solar
VEDA Solar VSN-G2-72H-580 vs VEDA Solar VSN-G2-72H-560
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: VEDA Solar VSN-G2-72H-580 or VEDA Solar VSN-G2-72H-590?
According to our database: VEDA Solar VSN-G2-72H-590 has higher module efficiency (22.84% vs 22.45%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of VEDA Solar VSN-G2-72H-580 and VEDA Solar VSN-G2-72H-590?
VEDA Solar VSN-G2-72H-580 has a module efficiency of 22.45%, while VEDA Solar VSN-G2-72H-590 is 22.84%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does VEDA Solar VSN-G2-72H-580 use vs VEDA Solar VSN-G2-72H-590?
VEDA Solar VSN-G2-72H-580 uses TOPCon cells; VEDA Solar VSN-G2-72H-590 uses TOPCon. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.
What is the warranty on VEDA Solar VSN-G2-72H-580 and VEDA Solar VSN-G2-72H-590?
VEDA Solar VSN-G2-72H-580 has a 30 years power warranty; VEDA Solar VSN-G2-72H-590 has a 30 years power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80-87%). Product (materials) warranties are usually shorter.
Are VEDA Solar VSN-G2-72H-580 and VEDA Solar VSN-G2-72H-590 bifacial panels?
Both VEDA Solar VSN-G2-72H-580 and VEDA Solar VSN-G2-72H-590 are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.

Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate. The thirty-year projection and the temperature scenarios are calculations from those figures, and each states its assumption above.