--- title: "Isola New Energy YH460W-36MH 460W Solar Panel - Specs & Review | ComparePV" description: "Isola New Energy YH460W-36MH 460W solar panel. Specs: 21.16% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/isola-new-energy-yh460w-36mh" updated: 2026-09-11 --- # Isola New Energy YH460W-36MH Light for its output, no clear weak spot 449 panels in the segment PERC 450-500 W ## Identity - **Manufacturer:** Isola New Energy - **Model:** YH460W-36MH - **Series:** 166M HALF CELL - **Rated power:** 460 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 450-500 W (449 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 460 W | 460 W | Typical | | | Module efficiency | 21.16% | 20.82% | Strong - top 18% | 9,229 | | Power density | 211.6 | 208.5 | Strong - top 18% | 9,176 | | Temperature coefficient | -0.350 | -0.350 | Typical | 10,419 | | Weight (kg) | 22.0 kg | 24.5 kg | Strong - top 7% | | | Performance warranty | 30 yrs | 25 yrs | Strong - top 20% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.16% | 20.82% | Strong - top 18% | 9,229 | | Power density | 211.6 | 208.5 | Strong - top 18% | 9,176 | | Temperature coefficient | -0.350 | -0.350 | Typical | 10,419 | | Weight per kWp | 47.8 | 53.1 | Strong - top 7% | 1,924 | | Performance warranty | 30 yrs | 25 yrs | Strong - top 20% | 21 | ### Strengths - **47.8 kg per kWp** - Top 7% of the PERC 450-500 W segment, against a median of 53.1. Ranked 1,924th in the whole database. - **211.6 watts per square metre** - Top 18% of the PERC 450-500 W segment, against a median of 208.5. - **21.16% module efficiency** - Top 18% of the PERC 450-500 W segment, against a median of 20.82%. - **Best for:** Residential, commercial and shaded-installations. ## Specification ### Electrical - **Rated power (Pmax):** 460 W - **Efficiency:** 21.16 % - **Voltage at Pmax (Vmp):** 41.90 V - **Current at Pmax (Imp):** 10.99 A - **Open-circuit voltage (Voc):** 49.70 V - **Short-circuit current (Isc):** 11.72 A - **Max system voltage:** 1500 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:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 144 ### Physical - **Length:** 2094 mm - **Width:** 1038 mm - **Thickness:** 30 mm - **Weight:** 22.0 kg - **Area:** 2.17 m2 - **Power density:** 211.6 Wp/m2 ### Warranty and degradation - **Product warranty:** 30 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 90.0 % - **First-year degradation:** 2.00 % - **Annual degradation:** 0.28 % - **Output after 30 years:** 413 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 9229 of 14005 | | Power density | 9176 of 14005 | | Temperature coefficient | 10419 of 14005 | | Weight | 1924 of 14005 | | Warranty | 21 of 14005 | ## Pros - **30-year product & power warranty** - Isola offers a 30-year warranty on both the product and power output – well above the 25-year standard provided by leading PERC suppliers such as JA Solar and Trina Solar. For residential prosumer installations, this extends the bankable revenue horizon by an additional five years. - **Half-cut M6 cells + multi-busbar design** - Splitting M6 (166 mm) cells in half reduces string current by ~50%, cutting I²R resistive losses. The module is divided into two independent sections, so shading the lower half does not disable the upper section – a meaningful yield advantage for rooftops with chimneys or facades with partial obstructions. - **PID resistance & mechanical load tolerance** - The multi-busbar architecture minimizes micro-crack propagation area, while the frame and glass construction meets extreme snow and wind load ratings. Strong PID resistance is especially relevant in transformerless string inverter systems where DC string voltage exceeds 1,000 V. - **Up to 21.16% efficiency – top PERC tier** - Peak efficiency of 21.16% (460 Wp variant) matches the comparable Zonergy ZPM MH3-72 at 21.16%, outperforming mid-range PERC alternatives. For a standard 10 kWp system, a 0.5 pp efficiency advantage over the PERC segment average translates to approximately 25–40 kWh/year of additional generation. - **430–460 Wp power range, 4 variants** - Four power variants (430, 440, 450, 460 Wp) provide flexibility for MPPT string design and inverter sizing, enabling BoS optimization for residential systems from 3–10 kWp up to commercial arrays of ~100 kWp without switching module type. ## Cons - **Discontinued series** - The 166M HALF CELL series is confirmed discontinued by the manufacturer. This means no new production runs, limited availability of replacement modules for mechanical damage claims, and potential gaps in after-sales technical support beyond 2026 – a material risk for projects with a 25+ year operating horizon. - **PERC technology – efficiency gap vs. TOPCon** - Peak module efficiency is 21.16%, whereas peer comparables using TOPCon – Risen RSM96-11-440-460BNDG and SunKean SKT440~460M12-96D4 – reach 23.00–23.02% at the same 460 Wp nameplate rating. The ~1.85 pp efficiency gap translates to approximately 8–10% higher annual yield per unit of roof area for TOPCon alternatives. - **Monofacial only – no rear-side yield** - The module is strictly monofacial (bifacial: false), while comparable models such as the Risen RSM96-11-440-460BNDG offer bifacial capability with bifaciality factors of 70–80%. On installations with white roofing membrane or light-colored substrates, the absence of an active rear surface foregoes a potential 5–15% annual energy gain. - **Not listed on BNEF Tier-1** - Zhejiang Isola New Energy does not appear on BNEF Tier-1 bankability lists (Q2 2025 / Q4 2025). The absence of Tier-1 classification can complicate project finance arrangements for commercial systems above 100 kWp and may disqualify the series from specifications required by infrastructure funds and certain subsidy programs. ## About this series The Isola New Energy 166M HALF CELL series is an advanced solution based on **M6 monocrystalline cells**, which optimize power density while maintaining standard module dimensions. The use of half-cut cell technology allows for a significant **reduction in resistive losses**, which directly translates to higher energy yields even in less favorable weather conditions. These panels effectively solve the problem of partial shading - thanks to the division into two independent sections, shading the lower part of the module does not completely disable it from operation. The multi-busbar design minimizes the risk of micro-cracks and improves current flow, making these modules exceptionally **resistant to PID degradation** and extreme mechanical loads caused by snow or strong wind. It is an ideal choice for investors looking for a balance between modern innovation and proven reliability. The 166M HALF CELL series stands out from the competition with an excellent **temperature coefficient of power**, which guarantees stable operation on hot days. This is a proposal dedicated to both home micro-installations and larger commercial systems, where a quick return on investment and long-term, trouble-free operation without the need for frequent service interventions are key. ## Notable figures - At 21.2% efficiency, this panel is on par with typical \*\*PERC 450-500W\*\* modules - Power density of 211.6 W/m² packs 3.1 W/m² more into the same footprint vs \*\*PERC 450-500W\*\* median (208.5 W/m²) - Temperature coefficient of -0.35%/°C matches the \*\*PERC 450-500W\*\* median - 22.0 kg weight - 2.5 kg lighter than \*\*PERC 450-500W\*\* median (24.5 kg), reducing installation effort - Ranked #9229 out of 14005 panels for efficiency in the database ## Questions ### Is the Isola New Energy 166M HALF CELL series still available for purchase? The 166M HALF CELL series has been discontinued and is no longer available through regular distribution channels. If you need comparable specs, ask your distributor about current Isola New Energy PERC modules or newer higher-wattage series. Limited stock may still be found at select solar wholesalers, but long-term availability cannot be guaranteed. ### What warranty does Isola New Energy offer on the 166M HALF CELL panels? Isola New Energy provides a 30-year product warranty and a 30-year power output warranty on the 166M HALF CELL series. This is among the longest warranty coverage in the solar industry, giving both installers and end users reliable long-term protection and securing the return on investment across several decades of operation. ### What is PERC technology and why is it used in the 166M HALF CELL series? PERC (Passivated Emitter and Rear Cell) adds a passivation layer on the rear of the cell that reflects unabsorbed photons back into the silicon, boosting conversion efficiency. Combined with half-cut M6 monocrystalline cells, the 166M HALF CELL series delivers up to 460 Wp within standard module dimensions, with low degradation rates and strong resistance to PID. ### How does the Isola New Energy 166M HALF CELL cope with partial shading? The module is split into two independent electrical sections, so shading one half — caused by a chimney, antenna, or tree branch — does not shut down the entire panel. Each section continues operating autonomously, reducing energy losses by several percentage points compared to conventional full-cell modules, which makes this series a practical choice for rooftops with minor obstructions. ### Do the 166M HALF CELL panels lose significant power on hot summer days? No. The 166M HALF CELL series features a favorable power temperature coefficient, meaning it loses less output per degree Celsius above 25°C STC than typical modules. In real-world conditions rooftop panels can reach 60–70°C, so a better temperature coefficient directly translates to more kilowatt-hours generated during peak summer months. ### What types of installations are the Isola New Energy 166M HALF CELL 460 Wp panels best suited for? At 460 Wp, these monofacial PERC modules suit both residential prosumer microinstallations and larger commercial rooftop systems on warehouses or industrial buildings. Standard frame dimensions simplify racking selection and BoS design, while high mechanical load resistance against snow and wind makes them well-suited to Central European climate conditions. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/430-460w-166-165eeac26f50.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +50 W, cooler, +3.8 pp | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +35 W, cooler, +3.6 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +45 W, cooler, +3.5 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +30 W, cooler, +3.3 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +40 W, cooler, +3.3 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +40 W, cooler, +3.3 pp | | [Isola New Energy YH430W-36MH](https://comparepv.com/panel/isola-new-energy-yh430w-36mh) | 430 W | -30 W, -1.4 pp | | [Isola New Energy YH440W-36MH](https://comparepv.com/panel/isola-new-energy-yh440w-36mh) | 440 W | -20 W, -0.9 pp | | [Isola New Energy YH450W-36MH](https://comparepv.com/panel/isola-new-energy-yh450w-36mh) | 450 W | -10 W, -0.5 pp | | [Gamko New Energy GKA120N-PRO-590W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-590w) | 590 W | +130 W, cooler, +2.7 pp | | [Gamko New Energy GKA120N-PRO-585W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-585w) | 585 W | +125 W, cooler, +2.5 pp | | [Bisol BGO 580](https://comparepv.com/panel/bisol-bgo-580) | 580 W | +120 W, cooler, +2.3 pp | | [Gamko New Energy GKA120N-PRO-580W](https://comparepv.com/panel/gamko-new-energy-gka120n-pro-580w) | 580 W | +120 W, cooler, +2.3 pp | --- Source: https://comparepv.com/panel/isola-new-energy-yh460w-36mh 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.