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SpolarPV Brand review

SP590HM6-60L

590 Wp PERC
ComparePV verdict

Middle of its segment, modest efficiency

Rank 7,157 of 14,005
Compare panels Datasheet PDF
Power (Wp)
590
Strong · top 17%
Efficiency (%)
20.80
Weak · bottom 13%
Density (Wp/m²)
208.5
Weak · bottom 15%
Temp (%/°C)
-0.340
Typical · median -0.350
Weight (kg)
30.9
Typical · median 30.8 kg
Warranty (yrs)
25
Weak · bottom 24%

The SpolarPV SPHM6-60L series panels are advanced monocrystalline modules that utilize half-cut cell technology to maximize energy yields even in challenging lighting conditions. Thanks to the use of multi-busbar MBB cells, this design effectively reduces losses resulting from internal resistance, which directly translates into higher efficiency for the entire system. This series effectively addresses the problem of performance drops caused by partial shading, offering stable operation where traditional modules fail. The use of PERC technology allows for more efficient absorption of diffused light, making these panels an optimal choice for the Polish climate zone. This solution is primarily dedicated to single-family homeowners and small businesses looking for an attractive price-to-quality ratio without compromising on durability. The modules stand out with increased resistance to extreme snow and wind loads, guaranteeing safe use for decades. Unlike many competing products, the SPHM6-60L places special emphasis on minimizing the risk of the hot-spot effect, which protects the installation from overheating and failure. Choosing this series is a way to achieve maximum energy cost optimization while using proven, modern technological solutions.

Ranking

589 panels in the segment PERC 550-600 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.80% 21.29% Weak · bottom 13% 10,457
Power density 208.5 212.9 Weak · bottom 15% 10,359
Temperature coefficient -0.340 -0.350 Typical 8,778
Weight per kWp 52.4 52.7 Typical 5,853
Performance warranty 25 yrs 27 yrs Weak · bottom 24% 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 3 caution
Best for

Residential, commercial, shaded-installations and cold-climate.

Not ideal for

Tight roof space, roofs where every square metre has to count and owners who want a long output guarantee.

Watch-outs
20.80% module efficiency

Bottom 13% of the PERC 550-600 W segment, against a median of 21.29%.

208.5 watts per square metre

Bottom 15% of the PERC 550-600 W segment, against a median of 212.9.

25 year performance warranty

Bottom 24% of the PERC 550-600 W segment, against a median of 27 yrs.

Notes from the database
  • Efficiency of 20.8% matches the PERC 550-600W median
  • 208.5 W/m² power density is 4.4 W/m² below PERC 550-600W median (212.9 W/m²) - requires larger installation area
  • Temperature coefficient of -0.34%/°C matches the PERC 550-600W median
  • In the top 75% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 590 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.80 % Weak Segment median 21.29%
Vmpp · Impp 34.00 V · 17.35 A Operating point at max power
Voc · Isc 41.10 V · 18.42 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2172×1303×30 mm · 2.83 m² of roof
Weight 30.9 kg Typical Typical · median 30.8 kg
Cells 120 · PERC Monocrystalline
Coefficient Pmax -0.340 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.250 · 0.040 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Weak bottom 24% · median 27 yrs
End-of-warranty output 84.8 % Equals 484 W guaranteed
Degradation 2.00 → 0.55 % 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
-

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

Heat losses
-0.340 %/°C against a segment median of -0.350
-

Alternatives

All SpolarPV panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
SpolarPV SP590HM6-60L 590 W 20.80% -0.340 30.9 kg You are here
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, lighter, +4.0 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +50 W, cooler, +4.0 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, lighter, +3.8 pp
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg Cooler, +3.8 pp, +5 yr warranty
AIKO-A630-MAH72Dw 630 W 24.40% -0.260 32.5 kg Cooler, +3.6 pp, +5 yr warranty
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg Cooler, lighter, +3.6 pp
SP595HM6-60L 595 W 21.00% -0.340 30.9 kg Very close match
SP600HM6-60L 600 W 21.20% -0.340 30.9 kg +10 W, +0.4 pp
SP605HM6-60L 605 W 21.40% -0.340 30.9 kg +15 W, +0.6 pp
GKA210N120 680 W 24.03% -0.340 28.0 kg +90 W, +3.2 pp, +5 yr warranty
GKA210N120-675 675 W 23.85% -0.340 28.0 kg +85 W, +3.1 pp, +5 yr warranty
QN-670HJT-01 670 W 23.70% -0.240 35.5 kg +80 W, cooler, +2.9 pp
GKA210N120-670 670 W 23.67% -0.340 28.0 kg +80 W, +2.9 pp, +5 yr warranty
QN-665HJT-01 665 W 23.50% -0.240 35.5 kg +75 W, cooler, +2.7 pp
GKA210N120-665 665 W 23.50% -0.340 28.0 kg +75 W, +2.7 pp, +5 yr warranty
SPDG660-N120M12 660 W 23.32% -0.300 34.2 kg +70 W, +2.5 pp, +5 yr warranty

Found 497 panels of the same or similar size to this one, within ±10 mm. See them here Found 502 panels of the same or similar size to this one, within ±25 mm. See them here Found 502 panels of the same or similar size to this one, within ±50 mm. See them here Found 506 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Are SpolarPV SPHM6-60L panels still available for purchase?
The SPHM6-60L series has been discontinued by SpolarPV. No new modules from this line are being manufactured, and availability is limited to remaining dealer stock. If you are planning a new installation, ask your distributor about currently produced alternatives featuring PERC half-cut technology in a comparable power range.
What product warranty and power warranty does the SpolarPV SPHM6-60L carry?
SpolarPV provides a 12-year product warranty covering material and workmanship defects. In addition, a 25-year linear power warranty guarantees that the modules will retain a specified percentage of their rated output over a quarter century. This is a standard coverage level for prosumer-grade PERC panels and secures the investment for well over two decades.
What is PERC Half-Cut cell technology used in the SPHM6-60L series, and is it worth the premium?
PERC (Passivated Emitter and Rear Cell) adds a passivation layer to the rear of each cell, improving absorption of diffuse light — a key advantage in Poland's frequently overcast climate. Half-cut means each cell is laser-cut in two, reducing internal resistance and resistive heat losses. Together, these technologies deliver higher real-world energy yield and better partial-shading tolerance than conventional full-cell modules.
How do SpolarPV SPHM6-60L panels handle partial shading from a chimney or nearby trees?
The half-cut architecture combined with multi-busbar (MBB) cells divides the SPHM6-60L module into independent electrical sub-strings. When shade falls on one section, only that section is affected while the rest of the panel continues producing at full capacity. In practice, this results in noticeably lower energy losses on rooftops with chimneys, dormers, or nearby vegetation compared to traditional full-cell modules.
How much energy will a system built with SpolarPV SPHM6-60L 605 Wp panels generate per year?
At a peak rating of 605 Wp, a single SPHM6-60L module will produce approximately 550–650 kWh annually under Polish irradiance conditions, depending on location, tilt angle, and shading. A 10-panel array (roughly 6 kWp) can cover the typical yearly consumption of a four-person household, estimated at 4,000–5,500 kWh. The precise figure always depends on system design and site-specific conditions.
Are the SpolarPV SPHM6-60L panels bifacial, and are they suitable for a pitched roof?
No, the SPHM6-60L series is monofacial — it generates electricity from the front surface only. This is entirely sufficient for standard residential rooftop installations; bifacial modules deliver meaningful gains mainly in ground-mounted systems over highly reflective ground surfaces. For a pitched residential roof the SPHM6-60L is a fully appropriate choice, backed by its rated resistance to extreme snow and wind loads.
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