--- title: "Isola New Energy YH320W-36P Solar Panel: Specs & Datasheet | ComparePV" description: "Isola New Energy YH320W-36P solar panel. Specs: 16.49% efficiency, Polycrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/isola-new-energy-yh320w-36p" image: "https://comparepv.com/og/panel/isola-new-energy-yh320w-36p.png" updated: 2026-09-11 --- # Isola New Energy YH320W-36P Warranty pick, modest efficiency 2,697 panels in the 220-420 W band, all technologies ## Identity - **Manufacturer:** Isola New Energy - **Model:** YH320W-36P - **Series:** 156M SPLIT CELL - **Rated power:** 320 W - **Cell technology:** Polycrystalline ## How it compares Compared against 220-420 W band, all technologies (2697 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 320 W | 385 W | Weak - bottom 16% | | | Module efficiency | 16.49% | 20.10% | Weak - bottom 9% | 13,692 | | Power density | 164.9 | 200.4 | Weak - bottom 9% | 13,677 | | Temperature coefficient | -0.350 | -0.350 | Typical | 10,489 | | Weight (kg) | 20.4 kg | 21.0 kg | Weak - bottom 24% | | | Performance warranty | 30 yrs | 25 yrs | Strong - top 18% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 16.49% | 20.10% | Weak - bottom 9% | 13,692 | | Power density | 164.9 | 200.4 | Weak - bottom 9% | 13,677 | | Temperature coefficient | -0.350 | -0.350 | Typical | 10,489 | | Weight per kWp | 63.7 | 56.6 | Weak - bottom 24% | 13,024 | | Performance warranty | 30 yrs | 25 yrs | Strong - top 18% | 21 | ### Strengths - **30 year performance warranty** - Top 18% of the 220-420 W band, against a median of 25 yrs. ### Watch out for - **16.49% module efficiency** - Bottom 9% of the 220-420 W band, against a median of 20.10%. Ranked 13,692nd in the whole database. - **164.9 watts per square metre** - Bottom 9% of the 220-420 W band, against a median of 200.4. Ranked 13,677th in the whole database. - **63.7 kg per kWp** - Bottom 24% of the 220-420 W band, against a median of 56.6. - **Best for:** Owners who value a long output guarantee. - **Not ideal for:** Tight roof space, roofs where every square metre has to count and weight-limited structures. ## Specification ### Electrical - **Rated power (Pmax):** 320 W - **Efficiency:** 16.49 % - **Voltage at Pmax (Vmp):** 37.87 V - **Current at Pmax (Imp):** 8.45 A - **Open-circuit voltage (Voc):** 45.10 V - **Short-circuit current (Isc):** 8.99 A - **Max system voltage:** 1000 V ### Temperature - **Temperature coefficient of Pmax:** -0.350 %/degC - **Temperature coefficient of Voc:** -0.270 %/degC - **Temperature coefficient of Isc:** 0.048 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Polycrystalline - **Cell count:** 72 ### Physical - **Length:** 1956 mm - **Width:** 992 mm - **Thickness:** 35 mm - **Weight:** 20.4 kg - **Area:** 1.94 m2 - **Power density:** 164.9 Wp/m2 ### Warranty and degradation - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 90.0 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.31 % - **Output after 30 years:** 288 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 13692 of 14129 | | Power density | 13677 of 14129 | | Temperature coefficient | 10489 of 14129 | | Weight | 13024 of 14129 | | Warranty | 21 of 14129 | ## Pros - **Half-cut technology - hot spot mitigation** - Splitting the module into two independent sections halves the operating current per cell, directly reducing resistive losses and hot spot risk. The series dissipates less heat under partial shading conditions typical of Polish rooftops with dormers and chimneys. - **Partial shading resistance** - Two independently operating sections work in parallel, so shading of the lower half does not fully suppress output from the upper half. On complex-geometry rooftops this translates into a measurably higher annual energy yield compared to standard full-cell modules. - **Monocrystalline cells - stable low-light output** - Monocrystalline cells show better spectral response under overcast conditions than polycrystalline equivalents, which is relevant in Poland's climate (~1,650 peak sun hours/year). The series reaches up to 17.01% efficiency, on par with the polycrystalline peer comparable (Jinko 72 Series: 17%). - **30-year power warranty** - The manufacturer commits to a 30-year linear power warranty - a longer commitment than many standard contracts (typically 25 years). For prosumer systems targeting a 10-15 year payback period, this provides meaningful residual-value protection. - **Wide variant range for MPPT flexibility** - Eight variants spanning 250-330 Wp enable precise matching to limited roof areas or specific inverter MPPT input windows without requiring power bypass workarounds. ## Cons - **Efficiency well below current market standard** - The 15.38-17.01% efficiency range lags significantly behind peer comparables: JA Solar Monocrystalline80 reaches 23.15% and Waaree ARKA SERIES 19.81%. The 2-8 percentage point gap means achieving the same system power requires 12-50% more roof area compared to modern Tier-1 modules. - **Outdated 156 mm (M6) cell format** - The 156 mm wafer standard was superseded by M10 (182 mm) and G12 (210 mm) around 2021, enabling 400-600 Wp modules that lower BoS costs (wiring, racking, inverter) per installed kWp. The 156M SPLIT CELL series does not benefit from this structural cost advantage. - **12-year product warranty - below Tier-1 standard** - The manufacturer warrants product integrity for 12 years, whereas JA Solar, JinkoSolar, and Trina Solar standardly offer 15-25-year product warranties. The shorter coverage window increases risk for installers delivering projects with external financing or PPA agreements. - **330 Wp max - elevated BoS costs** - Current Tier-1 modules (JA Solar, Jinko, LONGi) are available in 560-620 Wp formats, reducing panel count, MC4 connectors, cable runs, and mounting points by up to 40-50% for an equivalent system size. The 156M SPLIT CELL series materially raises BoS costs on projects above 10 kWp. - **No BNEF Tier 1 status - bankability risk** - Isola New Energy does not appear on the BNEF Tier 1 module manufacturer list for Q1 2026 or in major agency reports. For commercial installations financed via bank loans or leasing, the absence of Tier-1 status may result in loan application rejection or a requirement for additional technology insurance. ## About this series Isola New Energy 156M SPLIT CELL photovoltaic panels are an advanced solution based on **half-cut cell technology**, which significantly increases the operating efficiency of the entire system. Thanks to the division of the module into two independent sections, this series effectively minimizes energy losses resulting from partial shading, making it an ideal choice for rooftop installations with complex geometry. The use of **monocrystalline cells with a 156 mm side** guarantees stable energy yield even in less favorable lighting conditions, typical for the Polish climate zone. The Split Cell design not only reduces internal resistance but also drastically lowers the risk of harmful hot-spots, which directly translates into **exceptional mechanical durability** and a longer lifespan for the entire module. For investors looking for a balance between price and efficiency, this series offers a **better power temperature coefficient**, which allows for generating greater savings on hot days compared to standard designs. This product is dedicated to both residential prosumers and owners of commercial micro-installations who focus on **maximizing yields from a smaller mounting area**. Isola New Energy 156M SPLIT CELL stands out from the competition with its solid build quality, which realistically shortens the return on investment for the photovoltaic system. ## Notable figures - Efficiency of 16.5% is 5.3pp below the \*\*database\*\* median (21.8%) - At 164.9 W/m², this panel generates 53.2 W/m² less per unit area than \*\*database\*\* median (218.1 W/m²) - -0.35%/°C temperature coefficient - 0.05pp worse than \*\*database\*\* median (-0.30%/°C), expect higher hot weather losses - At 20.4 kg, this panel is 6.1 kg lighter than \*\*database\*\* median (26.5 kg) - easier handling during installation - In the top 97% for efficiency among all N-type panels ## Questions ### Are the Isola New Energy 156M Split Cell panels suitable for a roof with partial shading? Yes, the 156M Split Cell series is specifically recommended for installations with partial shading - for example from chimneys or dormers. Splitting the module into two independent electrical sections means that shading one part of the roof does not block the entire panel's output. The half-cut cell technology significantly reduces energy losses under partial shade compared to conventional full-cell monocrystalline modules. ### What is the power output warranty on the Isola New Energy 156M Split Cell panels? Isola New Energy provides a 30-year linear power output warranty for the 156M Split Cell series. This guarantees that over three decades the module will maintain a specified minimum percentage of its rated 330 Wp output. A 30-year warranty is among the longest available in this price segment and directly extends the payback period of your photovoltaic investment. ### How does the 156M Split Cell technology differ from standard monocrystalline modules? In a standard module, full-size cells are connected in series, so the full current flows across each cell's entire surface. In the 156M Split Cell series, each 156 mm monocrystalline cell is cut in half, reducing internal resistance, minimizing hot-spot formation, and increasing overall module efficiency. The practical result is a measurably higher energy yield from the same roof footprint. ### Is the 330 Wp Isola New Energy 156M Split Cell panel suitable for Central European climate conditions? Yes. The 156 mm monocrystalline cells used in this series deliver stable energy output even under diffuse, overcast light typical of Central and Northern Europe, especially in autumn and winter. Additionally, the improved power temperature coefficient means the module loses less power on hot summer days than conventional designs, resulting in higher annual energy yields across a temperate climate zone. ### How does the Split Cell design affect the mechanical durability of the Isola New Energy 156M modules? Halving the cells dramatically reduces the risk of hot-spots - the localized overheating that is the primary cause of degradation and micro-cracks in standard panels. Smaller cells operate at lower current, which decreases thermal stress within the laminate. This translates into exceptional mechanical durability of the 156M Split Cell series and slower power degradation throughout the entire service life of the installation. ### Can the Isola New Energy 156M Split Cell series be used in a commercial micro-installation? Yes. The Isola New Energy 156M Split Cell is designed for both residential prosumers and commercial micro-installation owners. The 330 Wp rating and high conversion efficiency allow maximum energy yield from a limited industrial or warehouse roof area. The series is compatible with standard inverters equipped with MPPT trackers, making integration with existing electrical infrastructure straightforward and cost-effective. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/300w-330w-36p-2713a213bb21.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [SunLink LNSK-340M](https://comparepv.com/panel/sunlink-lnsk-340m) | 340 W | +20 W, +3.6 pp, -5 yr warranty | | [Canadian Solar CS3K-330P](https://comparepv.com/panel/canadian-solar-cs3k-330p) | 330 W | Lighter, +3.4 pp, -5 yr warranty | | [Canadian Solar CS3K-335MB-AG](https://comparepv.com/panel/canadian-solar-cs3k-335mb-ag) | 335 W | +15 W, heavier, +3.4 pp | | [SunLink LNSK-335M](https://comparepv.com/panel/sunlink-lnsk-335m) | 335 W | +15 W, +3.3 pp, -5 yr warranty | | [Canadian Solar CS3L-365P](https://comparepv.com/panel/canadian-solar-cs3l-365p) | 365 W | +45 W, +3.2 pp, -5 yr warranty | | [Canadian Solar CS3K-325P](https://comparepv.com/panel/canadian-solar-cs3k-325p) | 325 W | Lighter, +3.1 pp, -5 yr warranty | | [Canadian Solar CS3L-360P](https://comparepv.com/panel/canadian-solar-cs3l-360p) | 360 W | +40 W, +3.0 pp, -5 yr warranty | | [SunLink LNSK-330M](https://comparepv.com/panel/sunlink-lnsk-330m) | 330 W | Hotter, +3.0 pp, -5 yr warranty | | [Isola New Energy YH300W-36P](https://comparepv.com/panel/isola-new-energy-yh300w-36p) | 300 W | -20 W, -1.0 pp | | [Isola New Energy YH310W-36P](https://comparepv.com/panel/isola-new-energy-yh310w-36p) | 310 W | -10 W, -0.5 pp | | [Isola New Energy YH330W-36P](https://comparepv.com/panel/isola-new-energy-yh330w-36p) | 330 W | +10 W, +0.5 pp | | [Maxeon SPR-MAX7-475](https://comparepv.com/panel/maxeon-spr-max7-475) | 475 W | +155 W, +7.5 pp, +10 yr warranty | | [Maxeon SPR-MAX7-470](https://comparepv.com/panel/maxeon-spr-max7-470) | 470 W | +150 W, +7.2 pp, +10 yr warranty | | [Maxeon SPR-MAX7-465](https://comparepv.com/panel/maxeon-spr-max7-465) | 465 W | +145 W, +7.0 pp, +10 yr warranty | | [Maxeon SPR-MAX6-440](https://comparepv.com/panel/maxeon-spr-max6-440) | 440 W | +120 W, +6.3 pp, +10 yr warranty | | [Maxeon SPR-MAX6-435](https://comparepv.com/panel/maxeon-spr-max6-435) | 435 W | +115 W, +6.0 pp, +10 yr warranty | --- Source: https://comparepv.com/panel/isola-new-energy-yh320w-36p Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.