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Kyocera Brand review

KK270P-3CD3CG

270 Wp Polycrystalline
ComparePV verdict

Middle of its segment, modest efficiency

Rank 13,749 of 14,005
Compare panels Datasheet PDF
Power (Wp)
270
Weak · bottom 21%
Efficiency (%)
16.40
Weak · bottom 21%
Density (Wp/m²)
164.1
Weak · bottom 22%
Temp (%/°C)
-
Not published
Weight (kg)
19.0
Weak · bottom 24%
Warranty (yrs)
25
Typical · median 25 yrs

The Kyocera KK270P series is based on proprietary polycrystalline silicon cell technology, which, thanks to a precise processing method, ensures stable energy yield even under lower sunlight conditions. The precision cell-cutting technology used minimizes the risk of micro-cracks, which translates into real savings throughout the entire lifecycle of the installation. A key design element is the unique frame structure with water drainage, which prevents the accumulation of dirt and the formation of dangerous corrosion spots in the module corners. These panels are characterized by exceptional reliability thanks to the use of a three-layer junction box, ensuring full tightness and protection of electronics against moisture in extreme weather conditions. This product is dedicated to investors seeking security, for whom the priority is high resistance to mechanical loads and operational stability in a variable climate. Compared to competitors, the KK270P model stands out due to its full, vertical integration of the production process - from wafers to finished components - which guarantees rigorous quality control at every stage. The anti-reflective coating on the glass used maximizes light absorption, allowing for the efficient use of scattered radiation, making these modules an ideal choice for demanding commercial and residential installations in Polish latitudes.

Ranking

1,154 panels in the 170-370 W band, all technologies
Metric This panel Median Position in segment Overall rank
Module efficiency 16.40% 18.09% Weak · bottom 21% 13,584
Power density 164.1 180.4 Weak · bottom 22% 13,574
Temperature coefficient - -0.360 Not published 13,924
Weight per kWp 70.4 63.3 Weak · bottom 24% 13,426
Performance warranty 25 yrs 25 yrs Typical 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 6 caution
Best for

Residential and commercial.

Not ideal for

Tight roof space, roofs where every square metre has to count and weight-limited structures.

Watch-outs
16.40% module efficiency

Bottom 21% of the 170-370 W band, against a median of 18.09%.

164.1 watts per square metre

Bottom 22% of the 170-370 W band, against a median of 180.4.

70.4 kg per kWp

Bottom 24% of the 170-370 W band, against a median of 63.3.

What owners get
Triple-sealed junction box

The triple-layer sealed junction box provides high resistance to moisture and corrosion of the electronics, which is important in installations exposed to variable weather conditions such as the Polish climate.

Water-drain frame design

The unique frame structure with drainage channels prevents water and dirt buildup in the module corners, reducing the risk of corrosion hotspots over the long-term operating life.

Full vertical production integration

Kyocera controls the entire production chain from silicon wafers to finished modules at its own Shiga Prefecture factory, resulting in rigorous quality control unavailable to manufacturers sourcing cells from third parties.

25-year linear power warranty

The manufacturer guarantees at least 90% of rated power after 10 years and at least 80% after 25 years, matching Tier-1 standards from the era of this series and giving investors predictable output over the full system lifecycle.

Micro-crack reducing cell cutting process

The precision cell-cutting process for polycrystalline cells minimizes the risk of silicon micro-cracks, lowering the likelihood of premature power degradation during operation.

Trade-offs
Production discontinued

Kyocera closed its main commercial module factory in Tianjin in 2022 and exited North American sales already in 2016, now focusing solely on the residential market in Japan. This means limited availability of service, spare parts, and warranty support for the KK270P series in Europe.

Low module efficiency (16.4%)

At 16.4% efficiency, this module is markedly behind comparable 270 Wp panels - DMEGC (22.9%) and JA Solar/MY Solar (21.2%) - meaning up to ~40% more roof area is needed to achieve the same power output.

Outdated polycrystalline technology

The 3-busbar polycrystalline cells lag behind the mono PERC/half-cut technologies used by peer comparables, resulting in lower low-light yield and higher LID degradation compared to newer solutions.

Notes from the database
  • At 16.4% efficiency, this panel is 5.4pp below the database median of 21.8%
  • 164.1 W/m² power density is 54.0 W/m² below database median (218.1 W/m²) - requires larger installation area
  • 19.0 kg weight - 7.5 kg lighter than database median (26.5 kg), reducing installation effort
  • #13584 for efficiency, #13924 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 270 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 16.40 % Weak Segment median 18.09%
Vmpp · Impp 31.00 V · 8.71 A Operating point at max power
Voc · Isc 38.30 V · 9.43 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1662×990×46 mm · 1.65 m² of roof
Weight 19.0 kg Weak Weak · bottom 24%
Cells 60 Polycrystalline
Coefficient Voc · Isc -0.355 · 0.058 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 80.0 % Equals 205 W guaranteed

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
-
-

Alternatives

All Kyocera panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Kyocera KK270P-3CD3CG 270 W 16.40% - 19.0 kg You are here
CS3K-320P 320 W 19.30% -0.360 18.5 kg +50 W, +2.9 pp
CS3K-315P 315 W 19.00% -0.360 18.5 kg +45 W, +2.6 pp
LNSK-320M 320 W 18.90% -0.360 21.0 kg +50 W, heavier, +2.5 pp
CS3K-310P-AG 310 W 18.70% -0.360 22.5 kg +40 W, +2.3 pp, +5 yr warranty
RL310HP-120 310 W 18.60% -0.390 18.5 kg +40 W, +2.2 pp
LNSK-315P 315 W 18.60% -0.360 21.0 kg +45 W, heavier, +2.2 pp
CS3K-310PB-AG 310 W 18.40% -0.360 22.3 kg +40 W, +2.0 pp, +5 yr warranty
KK275P-3CD3CG 275 W 16.70% - 19.0 kg +0.3 pp
KK280P-3CD3CG 280 W 17.00% - 19.0 kg +10 W, +0.6 pp
SPR-MAX3-400-COM 400 W 22.60% -0.270 19.0 kg +130 W, +6.2 pp, +15 yr warranty
LEPV 400 400 W 22.31% -0.290 20.0 kg +130 W, +5.9 pp, +5 yr warranty
NS-360MH-60 360 W 22.12% -0.290 17.0 kg +90 W, lighter, +5.7 pp
NS-360MH-60 360 W 22.12% -0.290 17.0 kg +90 W, lighter, +5.7 pp
SPR-MAX3-390-COM 390 W 22.10% -0.270 19.0 kg +120 W, +5.7 pp, +15 yr warranty
JS 380~400W 120M6 HJT DG (400W class) 400 W 21.96% -0.240 22.8 kg +130 W, +5.6 pp, +5 yr warranty
JS400 120M6 HJT DG 400 W 21.96% -0.240 22.8 kg +130 W, +5.6 pp, +5 yr warranty

Found 42 panels of the same or similar size to this one, within ±10 mm. See them here Found 365 panels of the same or similar size to this one, within ±25 mm. See them here Found 426 panels of the same or similar size to this one, within ±50 mm. See them here Found 642 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Is the Kyocera KK270P series still available for purchase?
The KK270P series has been discontinued and is no longer available through regular distribution channels. Kyocera has ended production of this line, so new units may only be found in limited distributor stockpiles. If you are planning a new installation, it is advisable to consider newer Kyocera series or comparable alternatives from other manufacturers that offer active support and guaranteed module availability for future system expansion.
Do Kyocera KK270P panels perform well in overcast, low-irradiance conditions?
Yes. The multicrystalline cells used in the KK270P series are engineered to deliver a stable energy yield under diffuse and low-light irradiance conditions. Kyocera applies an anti-reflective coating to the tempered glass cover, which enhances light absorption even on cloudy days. This makes the modules a reliable choice for Central and Northern European climates where diffuse radiation accounts for a significant share of annual solar resource.
What is the power output warranty on the Kyocera KK270P?
Kyocera backs the KK270P with a 25-year linear power output warranty, guaranteeing that the module will maintain at least a specified percentage of its rated 270 Wp throughout the warranty period. This is considered a premium warranty tier in the PV industry. Since the series is discontinued, prospective buyers should confirm with their local distributor that post-sale warranty service remains active and enforceable.
Can the Kyocera KK270P handle heavy snow loads on a rooftop in winter?
The KK270P series is rated for high mechanical load resistance, making it a solid choice for regions with heavy snowfall. The anodized aluminum frame features a water drainage design that prevents ice and debris buildup in the module corners, reducing stress concentration. The module meets IEC static and dynamic load ratings, allowing installers to confidently specify it for rooftops in high snow-load zones across Central Europe.
What are the dimensions and weight of the Kyocera KK270P – will it fit a standard pitched roof?
The KK270P-3CD3CG measures 1662 × 990 × 46 mm and weighs 19 kg. These are standard 60-cell module dimensions that are fully compatible with most rail-based racking systems designed for pitched roofs. At 19 kg per panel, two installers can handle transport and placement without special lifting equipment. Always verify roof structural load capacity before finalizing system design, especially for larger arrays.
What is the triple-layer junction box on the KK270P and why does it matter?
The triple-layer junction box is the electrical housing mounted on the rear of the module that connects the solar cell strings to the BoS wiring. In the KK270P, its three-stage sealing provides robust IP-rated protection against moisture, dust, and corrosion under harsh weather conditions. This significantly reduces the risk of electrical failure at the cable entry point, contributing to longer trouble-free operation and lower O&M costs over the 25-year system lifetime.
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