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SP Enerji SP-285P60
SP Enerji Brand review

SP-285P60

285 Wp PERC
ComparePV verdict

Light for its output, weak in heat

Rank 13,500 of 14,005
Compare panels Datasheet PDF
Power (Wp)
285
Typical for its class
Efficiency (%)
17.52
Typical · median 17.21%
Density (Wp/m²)
175.2
Typical · median 172.1
Temp (%/°C)
-0.422
Weak · bottom 4%
Weight (kg)
18.0
Strong · top 17%
Warranty (yrs)
25
Typical · median 25 yrs

The SP Enerji Solar Power 260 W - 285 W (P60) series of photovoltaic panels are classic 60-cell modules designed for stable operation in typical roof and smaller ground-mounted installations. They feature hardened glass with an anti-reflective coating, which helps to minimize losses due to reflection and maintain predictable energy production under varying light conditions. The construction utilizes an anodized aluminum frame, making the panel rigid and durable for long-term use on roofs.

In practice, this series addresses a common need among investors - the desire for a proven and readily adaptable format that can be easily fitted to available space and standard mounting systems. The safety features in the junction box, along with an IP68 degree of protection, minimize the risk of failures caused by moisture and dust, which is important for both residential and commercial roofs.

The P60 also features a positive power tolerance, which reduces uncertainty after installation. This makes it a good choice for installers and users who prioritize predictability, compatibility, and durability over marketing gimmicks.

Ranking

74 panels in the segment PERC 250-300 W
Metric This panel Median Position in segment Overall rank
Module efficiency 17.52% 17.21% Typical 13,336
Power density 175.2 172.1 Typical 13,332
Temperature coefficient -0.422 -0.370 Weak · bottom 4% 13,836
Weight per kWp 63.2 66.5 Strong · top 17% 12,860
Performance warranty 25 yrs 25 yrs Typical 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 1 caution
Best for

Residential and commercial.

Not ideal for

Hot climates.

Strengths
63.2 kg per kWp

Top 17% of the PERC 250-300 W segment, against a median of 66.5.

Watch-outs
-0.422 %/°C temperature coefficient

Bottom 4% of the PERC 250-300 W segment, against a median of -0.370. Ranked 13,836th in the whole database.

Notes from the database
  • At 17.5% efficiency, this panel is 1.9pp below the PERC 0-400W median of 19.4%
  • Power density of 175.2 W/m² is 19.2 W/m² below PERC 0-400W median (194.4 W/m²) - needs more roof space
  • -0.42%/°C temperature coefficient - 0.06pp worse than PERC 0-400W median (-0.36%/°C), expect higher hot weather losses
  • Weight of 18.0 kg (2.5 kg below PERC 0-400W median of 20.5 kg) allows easier transport and roof mounting
  • In the top 95% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 285 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 17.52 % Typical Segment median 17.21%
Vmpp · Impp 31.64 V · 9.02 A Operating point at max power
Voc · Isc 38.50 V · 9.36 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1640×992×35 mm · 1.63 m² of roof
Weight 18.0 kg Strong Strong · top 17%
Cells 60 · PERC Polycrystalline
Coefficient Pmax -0.422 %/°C Weak bottom 4% of its segment
Coefficient Voc · Isc -0.333 · 0.055 %/°C
NOCT 44 °C At 800 W/m², 20 °C ambient
Product warranty 10 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 80.7 % Equals 220 W guaranteed
Degradation 2.50 → 0.70 % 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
-0.422 %/°C against a segment median of -0.370
-

Alternatives

All SP Enerji panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
SP Enerji SP-285P60 285 W 17.52% -0.422 18.0 kg You are here
CS3K-330P 330 W 19.90% -0.360 18.5 kg +45 W, cooler, +2.4 pp
CS3K-335MB-AG 335 W 19.90% -0.360 22.3 kg +50 W, cooler, +2.4 pp
LNSK-335M 335 W 19.78% -0.360 21.0 kg +50 W, cooler, +2.3 pp
CS3K-325P 325 W 19.60% -0.360 18.5 kg +40 W, cooler, +2.1 pp
LNSK-330M 330 W 19.49% -0.360 21.0 kg +45 W, cooler, +2.0 pp
CS3K-320P 320 W 19.30% -0.360 18.5 kg +35 W, cooler, +1.8 pp
LNSK-325M 325 W 19.19% -0.360 21.0 kg +40 W, cooler, +1.7 pp
SP-260P60 260 W 16.00% -0.422 18.0 kg -25 W, -1.5 pp
SP-265P60 265 W 16.30% -0.422 18.0 kg -20 W, -1.2 pp
SP-270P60 270 W 16.60% -0.422 18.0 kg -15 W, -0.9 pp
SP-275P60 275 W 16.90% -0.422 18.0 kg -10 W, -0.6 pp
SP-280P60 280 W 17.21% -0.422 18.0 kg -0.3 pp
SP-300M60 300 W 18.44% -0.380 18.0 kg +15 W, cooler, +0.9 pp
SP-305M60 305 W 18.75% -0.380 18.0 kg +20 W, cooler, +1.2 pp
SP-310M60 310 W 19.05% -0.380 18.0 kg +25 W, cooler, +1.5 pp
SP-315M60 315 W 19.36% -0.380 18.0 kg +30 W, cooler, +1.8 pp
SPR-MAX3-400-COM 400 W 22.60% -0.270 19.0 kg Cooler, +5.1 pp, +15 yr warranty

Found 182 panels of the same or similar size to this one, within ±10 mm. See them here Found 218 panels of the same or similar size to this one, within ±25 mm. See them here Found 379 panels of the same or similar size to this one, within ±50 mm. See them here Found 472 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Is the SP Enerji Solar Power 260W–285W (P60) series still available for purchase?
The SP Enerji Solar Power P60 series has been discontinued and is no longer actively distributed by the manufacturer. If you are planning a new installation, consider newer SP Enerji series or alternative manufacturers offering a similar 60-cell module format. Remaining stock units may occasionally be available through distributors — it is worth checking directly with local suppliers.
What warranty does the SP Enerji Solar Power P60 285W series carry?
The manufacturer provides a 10-year product warranty covering material and workmanship defects. In addition, a 25-year linear power output warranty guarantees that the panels retain a specified minimum efficiency level for a quarter-century. These are standard warranty terms for this class of 60-cell modules, giving the investor long-term confidence in system yield.
Does PERC technology in the SP Enerji P60 series actually improve panel performance?
Yes. PERC (Passivated Emitter and Rear Cell) technology adds a passivation layer on the rear side of each cell, reflecting photons back through the cell instead of losing them as heat. In practice, this delivers higher efficiency than standard BSF cells, particularly under diffuse light and overcast conditions — weather patterns that are common in Central and Northern European climates throughout much of the year.
What does positive power tolerance mean for the SP Enerji Solar Power P60 panels, and why does it matter?
Positive power tolerance guarantees that the actual factory-measured output of each panel meets or exceeds its rated wattage. When buying a 285W module with positive tolerance, you can be sure no unit will fall below its nameplate power in testing. For an installer, this translates into more predictable energy yield across the entire array, with no unpleasant surprises after commissioning.
Are SP Enerji Solar Power 285W (P60) panels suitable for a typical pitched residential roof?
Yes. The 60-cell format of the P60 series is compatible with standard racking systems designed for pitched roofs, whether covered with roof tiles or metal sheeting. The rigid anodized aluminum frame ensures multi-season durability, while the IP68-rated junction box effectively protects the electrical components from moisture and dust — both critical for long-term outdoor exposure.
Will the SP Enerji Solar Power P60 series work well in a small residential system up to 6 kWp?
Yes, 60-cell modules in the 260–285W range are a proven and practical format for small to mid-size rooftop installations. The moderate per-panel wattage makes it straightforward to match the module count to available roof area and the MPPT inputs of the inverter, without the risk of over-engineering the system. The series was a popular choice among installers who prioritized compatibility and predictable long-term performance.
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