--- title: "Isola New Energy YH120W-18M 120W Solar Panel - Specs & Review | ComparePV" description: "Isola New Energy YH120W-18M 120W solar panel. Specs: 19.63% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/isola-new-energy-yh120w-18m" updated: 2026-09-11 --- # Isola New Energy YH120W-18M Space saver, no clear weak spot 296 panels in the 20-220 W band, all technologies ## Identity - **Manufacturer:** Isola New Energy - **Model:** YH120W-18M - **Series:** 210M SPLIT CELL - **Rated power:** 120 W - **Cell technology:** Monocrystalline ## How it compares Compared against 20-220 W band, all technologies (296 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 120 W | 160 W | Typical | | | Module efficiency | 19.63% | 15.88% | Strong - top 10% | 12,576 | | Power density | 196.3 | 158.7 | Strong - top 9% | 12,562 | | Temperature coefficient | -0.350 | -0.370 | Strong - top 20% | 10,419 | | Weight (kg) | 6.4 kg | 11.3 kg | Strong - top 13% | | | Performance warranty | 30 yrs | 25 yrs | Strong - top 16% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 19.63% | 15.88% | Strong - top 10% | 12,576 | | Power density | 196.3 | 158.7 | Strong - top 9% | 12,562 | | Temperature coefficient | -0.350 | -0.370 | Strong - top 20% | 10,419 | | Weight per kWp | 53.5 | 71.2 | Strong - top 13% | 7,475 | | Performance warranty | 30 yrs | 25 yrs | Strong - top 16% | 21 | ### Strengths - **196.3 watts per square metre** - Top 9% of the 20-220 W band, against a median of 158.7. Ranked 12,562nd in the whole database. - **19.63% module efficiency** - Top 10% of the 20-220 W band, against a median of 15.88%. - **53.5 kg per kWp** - Top 13% of the 20-220 W band, against a median of 71.2. - **Best for:** Commercial and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 120 W - **Efficiency:** 19.63 % - **Voltage at Pmax (Vmp):** 21.24 V - **Current at Pmax (Imp):** 5.65 A - **Open-circuit voltage (Voc):** 24.73 V - **Short-circuit current (Isc):** 5.95 A - **Max system voltage:** 1000 V ### Temperature - **Temperature coefficient of Pmax:** -0.350 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.040 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell count:** 36 ### Physical - **Length:** 915 mm - **Width:** 668 mm - **Thickness:** 30 mm - **Weight:** 6.4 kg - **Area:** 0.61 m2 - **Power density:** 196.3 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:** 108 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 12576 of 14005 | | Power density | 12562 of 14005 | | Temperature coefficient | 10419 of 14005 | | Weight | 7475 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Efficiency well above peer comparables** - The series reaches up to 20.83% module efficiency, while direct segment peers score significantly lower: REC RZMP – 14.9%, TPL Solar P-54 – 16.01%, LinkSol LKS-5M – 18.8% (peer average: ~16.6%). The higher conversion ratio directly reduces the required roof or ground area per kilowatt-peak of installed capacity. - **Half-cut + MBB – reduced resistive losses** - Half-cut cells lower operating current by ~50%, cutting resistive losses and sensitivity to partial shading. The multi-busbar (MBB) architecture shortens carrier path length, reduces micro-crack risk, and supports low-irradiance performance — a meaningful benefit in Poland's frequently overcast climate. - **M12 (210 mm) wafers – high power density** - The 210 mm wafer format enables more watts-peak per module, reducing Balance-of-System (BoS) costs: fewer mounting points, less cabling, and fewer racking components per MW. For large rooftop systems and utility-scale PV farms — where BoS typically accounts for 30–40% of total CAPEX — this translates directly into a lower LCOE. - **30-year linear power warranty** - Regardless of variant, the manufacturer guarantees performance for 30 years — better than the standard 25-year coverage offered by most mid-tier competitors (LinkSol, TPL Solar). This reduces warranty value erosion risk across the full system lifecycle. ## Cons - **PERC technology – higher LID and degradation vs. TOPCon** - P-type PERC cells exhibit Light-Induced Degradation (LID) of 1.8–2.6% during the first 200–500 operating hours and annual degradation of ~0.55%/year vs. ~0.25%/year for N-type TOPCon modules. Over a 30-year horizon, this compounds to approximately 9% lower cumulative energy yield compared to TOPCon counterparts — which have become the de facto standard for new utility-scale projects as of 2026. - **Not listed on BNEF Tier 1** - Isola New Energy does not appear on the Bloomberg NEF Tier 1 Module Manufacturers list (Q1 2026). This excludes or complicates non-recourse debt financing by commercial banks requiring a bankable manufacturer, creating a concrete barrier for utility-scale PV projects above 1 MWp that depend on external project finance. - **Product warranty as low as 12 years on select variants** - The product (materials & workmanship) warranty range spans 12–30 years, meaning certain variants carry only a 12-year factory defect warranty. The 2026 industry benchmark is 25 years. Buyers must verify the warranty tier of each specific variant before executing an insurance policy or EPC contract. ## About this series The Isola New Energy 210M SPLIT CELL series is based on large-format M12 silicon cells, which redefine the efficiency of modern solar systems. Thanks to the use of **half-cut cell technology**, these panels show significantly lower sensitivity to partial shading and reduce resistive losses, resulting in stable operation even in difficult weather conditions. The utilized **Multi-Busbar (MBB) architecture** shortens the electron path, minimizing the risk of micro-cracks and increasing the overall mechanical resistance of the module. A key benefit for the investor is the fact that the use of 210 mm wafers allows for achieving very high power density, which effectively **lowers BOS system costs** as well as expenditures on mounting structures and cabling. This solution is primarily dedicated to large rooftop installations and photovoltaic farms, where the priority is to optimize the LCOE ratio. The series stands out from market standards with **exceptional efficiency at low light intensity** and a low temperature coefficient, ensuring maximum yields in the Polish climate. This is a solid choice for projects where the highest return on investment and technological innovation matter most. ## Notable figures - Module efficiency of 19.6% is 2.2pp below average for \*\*database\*\* panels (median: 21.8%) - 196.3 W/m² power density is 21.8 W/m² below \*\*database\*\* median (218.1 W/m²) - requires larger installation area - -0.35%/°C temperature coefficient - 0.05pp worse than \*\*database\*\* median (-0.30%/°C), expect higher hot weather losses - 6.4 kg weight - 20.1 kg lighter than \*\*database\*\* median (26.5 kg), reducing installation effort - #12576 for efficiency, #10419 for temperature performance out of 14005 panels ## Questions ### What warranty does Isola New Energy offer on the 210M SPLIT CELL series? The Isola New Energy 210M SPLIT CELL series comes with both a 30-year product warranty and a 30-year linear power output warranty. This means the manufacturer guarantees the module against manufacturing defects and ensures a defined performance level for three decades. It is one of the longer warranty packages available on the market, significantly improving investment security for large-scale PV projects. ### How does the half-cut cell technology in the 210M SPLIT CELL panels work, and is it worth the premium? Half-cut technology splits each PERC cell in half, reducing the current in the circuit and lowering resistive losses. The key advantage is substantially better partial shading tolerance: when shade covers the bottom half of the panel, the top half continues operating at full power. In real-world conditions with shading from chimneys or dormers, this translates into measurably higher energy yield without the need for additional power optimizers. ### Do the Isola New Energy 210M SPLIT CELL panels perform well in cloudy or overcast conditions? Yes. The 210M SPLIT CELL series is optimized for low-irradiance performance, which is especially relevant in climates with frequent cloud cover. A low temperature coefficient also means the modules maintain high efficiency on cold winter days. The combination of PERC cells, M12 wafer format, and Multi-Busbar architecture ensures stable annual energy yield regardless of season. ### What type of installation is the Isola New Energy 210M SPLIT CELL series designed for? The 210M SPLIT CELL series is designed primarily for large commercial rooftop systems and utility-scale ground-mounted PV farms where minimizing LCOE is the top priority. The high power density enabled by 210 mm M12 wafers means a given target capacity can be achieved with fewer modules, directly reducing costs for racking, cabling, and other balance-of-system (BoS) components. ### What is Multi-Busbar (MBB) architecture and how does it affect the durability of the 210M SPLIT CELL modules? Multi-Busbar (MBB) replaces a few wide conductive ribbons with many thin busbars across the cell surface. The shorter path electrons travel to the nearest busbar reduces resistive losses and lowers mechanical stress within the cell. In practice, this significantly reduces the risk of microcracks forming during transport, installation, and years of thermal cycling, resulting in longer module lifespan and slower power degradation over time. ### Does the 210 mm cell format in the 210M SPLIT CELL series actually reduce overall system installation costs? Yes, this is one of the primary advantages of choosing this series. The larger M12 format (210 mm) delivers higher power per module, meaning fewer panels are needed to reach the target system capacity. Fewer modules directly lower BoS expenditures: racking structures, cables, MC4 connectors, and labor. For large-scale projects, the difference in system costs can amount to several percentage points of the total investment value. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/115w-120w-915x668x30-d1fa40db231c.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Gamko New Energy GKA182M150W](https://comparepv.com/panel/gamko-new-energy-gka182m150w) | 150 W | +30 W, heavier, +3.4 pp | | [Gamko New Energy GKA182M160W](https://comparepv.com/panel/gamko-new-energy-gka182m160w) | 160 W | +40 W, heavier, +3.4 pp | | [Gamko New Energy GKA182M120W](https://comparepv.com/panel/gamko-new-energy-gka182m120w) | 120 W | +3.4 pp | | [Gamko New Energy GKA182M135W](https://comparepv.com/panel/gamko-new-energy-gka182m135w) | 135 W | +15 W, +3.4 pp | | [Gamko New Energy GKA182M100W](https://comparepv.com/panel/gamko-new-energy-gka182m100w) | 100 W | -20 W, +3.4 pp | | [Gamko New Energy GKA182M110W](https://comparepv.com/panel/gamko-new-energy-gka182m110w) | 110 W | -10 W, +3.4 pp | | [JA Solar NS-100MH-36](https://comparepv.com/panel/ja-solar-ns-100mh-36) | 100 W | Cooler, +1.7 pp, -5 yr warranty | | [PolyCrown Solar Tech NS-100MH-36](https://comparepv.com/panel/polycrown-solar-tech-ns-100mh-36) | 100 W | Cooler, +1.7 pp, -5 yr warranty | | [Renesola YH120W-18M](https://comparepv.com/panel/renesola-yh120w-18m) | 120 W | Very close match | | [Easun Power YH100W-12M](https://comparepv.com/panel/easun-power-yh100w-12m) | 100 W | -20 W, hotter, lighter | | [Isola New Energy YH115W-18M](https://comparepv.com/panel/isola-new-energy-yh115w-18m) | 115 W | -0.8 pp | | [Renesola YH115W-18M](https://comparepv.com/panel/renesola-yh115w-18m) | 115 W | -0.8 pp | | [LinkSol LKS-5M-115](https://comparepv.com/panel/linksol-lks-5m-115) | 115 W | -2.4 pp | | [Longi Solar DLXN-M10-100W](https://comparepv.com/panel/longi-solar-dlxn-m10-100w) | 100 W | -20 W, hotter, -2.6 pp | | [Wanze Energy DLXN-M10-100W](https://comparepv.com/panel/wanze-energy-dlxn-m10-100w) | 100 W | Hotter, -2.6 pp, -20 yr warranty | | [LinkSol LKS-5M-110](https://comparepv.com/panel/linksol-lks-5m-110) | 110 W | -10 W, -3.1 pp | --- Source: https://comparepv.com/panel/isola-new-energy-yh120w-18m Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.