--- title: "Neo Solar Power NESE 700-66THB-G12 700W Solar Panel - Specs & Review | ComparePV" description: "Neo Solar Power NESE 700-66THB-G12 700W solar panel. Specs: 22.53% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/neo-solar-power-nese-700-66thb-g12" updated: 2026-09-11 --- # Neo Solar Power NESE 700-66THB-G12 Middle of its segment, heavy for its output 420 panels in the segment TOPCon 700-750 W ## Identity - **Manufacturer:** Neo Solar Power - **Model:** NESE 700-66THB-G12 - **Series:** NESE xx5-66THB-G12 - **Rated power:** 700 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 700-750 W (420 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 700 W | 715 W | Weak - bottom 7% | | | Module efficiency | 22.53% | 23.00% | Weak - bottom 11% | 3,982 | | Power density | 225.3 | 230.2 | Weak - bottom 7% | 3,989 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 22% | 6,093 | | Weight (kg) | 38.5 kg | 38.0 kg | Weak - bottom 2% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.53% | 23.00% | Weak - bottom 11% | 3,982 | | Power density | 225.3 | 230.2 | Weak - bottom 7% | 3,989 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 22% | 6,093 | | Weight per kWp | 55.0 | 52.9 | Weak - bottom 2% | 9,361 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Watch out for - **55.0 kg per kWp** - Bottom 2% of the TOPCon 700-750 W segment, against a median of 52.9. Ranked 9,361st in the whole database. - **225.3 watts per square metre** - Bottom 7% of the TOPCon 700-750 W segment, against a median of 230.2. Ranked 3,989th in the whole database. - **22.53% module efficiency** - Bottom 11% of the TOPCon 700-750 W segment, against a median of 23.00%. - **Best for:** Commercial and utility-scale. - **Not ideal for:** Weight-limited structures, roofs where every square metre has to count and tight roof space. ## Specification ### Electrical - **Rated power (Pmax):** 700 W - **Efficiency:** 22.53 % - **Voltage at Pmax (Vmp):** 40.50 V - **Current at Pmax (Imp):** 17.29 A - **Open-circuit voltage (Voc):** 48.30 V - **Short-circuit current (Isc):** 18.27 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.300 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC - **NOCT:** 43 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 132 - **Bifacial:** yes ### Physical - **Length:** 2384 mm - **Width:** 1303 mm - **Thickness:** 35 mm - **Weight:** 38.5 kg - **Area:** 3.11 m2 - **Power density:** 225.3 Wp/m2 ### Warranty and degradation - **Product warranty:** 12 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **Output after 30 years:** 612 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 3982 of 14005 | | Power density | 3989 of 14005 | | Temperature coefficient | 6093 of 14005 | | Weight | 9361 of 14005 | | Warranty | 21 of 14005 | ## Pros - **N-type TOPCon cell technology** - N-type TOPCon cells offer lower LID/LeTID degradation and better energy yield under low-irradiance and high-temperature conditions compared to older PERC cells, which is meaningful given Poland's variable weather patterns. - **Bifacial glass-glass construction** - The double-glass design improves resistance to moisture ingress, PID, and microcracks, and enables an additional energy gain from reflected light on bright rooftops, ground-mount structures, and carports - without adding more panels to the array. - **Up to 715 Wp power, 23.02% efficiency** - Power and efficiency figures place the series on par with leading peers in the 715 Wp/G12 segment (DAS-DH132NC at 715 Wp/23%, BEC-HJT at 715 Wp/23%), which for larger commercial installations and PV farms means fewer modules are needed to reach a given installed capacity. - **30-year linear power warranty** - A 30-year linear power output warranty gives PV farm and commercial project investors predictable long-term yields, easing LCOE financial modeling for the project. ## Cons - **Shorter product warranty - 12 years** - The 12-year product defect warranty is shorter than the flagship TOPCon lines from tier-1 leaders (LONGi, Jinko Tiger Neo, JA Deep Blue, Trina Vertex S+), which now offer up to 25 years of product warranty alongside the same 30-year power warranty. This can increase service cost risk in the second half of the system's operating life. - **No BNEF Tier 1 bankable status** - The manufacturer is not listed as BNEF Tier 1 bankable, which - for financing larger PV farms and commercial installations, the very segment this series targets - can complicate securing bank financing, since lenders often require Tier-1 status from module suppliers. ## About this series The Neo Solar Power NESE xx5-66THB-G12 series is designed to maximize energy yield in situations where every square meter counts. The use of **N-type cells in TOPCon technology** results in more stable performance over time and improved energy production in less sunny conditions, which is particularly relevant in Polish weather conditions. These are **bifacial** modules - they can utilize reflected light from the ground, so on bright roofs, ground-mounted structures, or carport structures, you can achieve additional energy gain without increasing the number of panels. The **double-glass (glass-glass)** construction improves resistance to environmental factors and reduces the risk of microcracks, which will be appreciated by investors focused on long-term operation. The series is particularly suitable for **PV farms and larger commercial installations**, where repeatability of parameters, lower losses, and predictable yields are important. In practice, it stands out due to the combination of modern cell technology with a durable construction, which makes it easy to achieve high energy production over a long period. ## Notable figures - Efficiency of 22.5% matches the \*\*TOPCon 700-750W\*\* median - Power density of 225.3 W/m² is 4.9 W/m² below \*\*TOPCon 700-750W\*\* median (230.2 W/m²) - needs more roof space - At -0.30%/°C, hot weather performance is typical for \*\*TOPCon 700-750W\*\* panels - 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces - #3982 for efficiency, #6093 for temperature performance out of 14005 panels ## Questions ### What warranty does the Neo Solar Power NESE xx5-66THB-G12 series come with? The manufacturer provides a 12-year product warranty and a 30-year linear power output warranty. This is the standard coverage for modern commercial-grade modules. Since Neo Solar Power is headquartered in Taiwan, warranty claims are typically handled by the local distributor or importer. Confirming the availability and reliability of after-sales support in your country before purchasing is strongly advisable. ### What is the maximum power output of the Neo Solar Power NESE xx5-66THB-G12 series? The top variant in the series reaches 715 Wp. The 'xx5' designation in the model name covers multiple power classes, all built on the same 66 G12-format N-type TOPCon cells. The high per-module wattage reduces the total panel count needed for a given system capacity, which is a meaningful advantage on sites where available roof or ground area is a limiting factor. ### Are the NESE xx5-66THB-G12 panels bifacial, and what does that mean in a real installation? Yes, the series is bifacial — the module produces power from both the front side direct irradiance and light reflected off the ground surface. In ground-mount systems on light-colored or gravel ground, carports, and pergola structures, this can deliver several additional percentage points of annual yield without increasing the panel count. On a standard dark-colored sloped roof, the bifacial gain is negligible and should not be a deciding factor. ### How does the TOPCon cell technology in the NESE xx5-66THB-G12 perform in overcast or low-irradiance conditions? N-type TOPCon cells offer a lower temperature coefficient and better low-light energy harvest compared to standard PERC technology. In climates with frequent cloud cover and seasonal low irradiance — common across Central Europe — this translates into a measurably higher annual energy yield. It is one of the primary technical reasons this series is recommended for large-scale PV farms and commercial installations in such regions. ### What is the glass-glass construction in the NESE xx5-66THB-G12, and is it worth the tradeoff? The dual-glass (glass-glass) design replaces the standard polymer backsheet with a second glass layer, improving resistance to moisture ingress, ammonia exposure in agri-PV applications, and UV degradation. It also reduces microcrack formation and lowers long-term power degradation. The main tradeoff is a slight increase in module weight. For utility-scale solar farms targeting multi-decade operation, the durability benefit clearly outweighs that drawback. ### Is the Neo Solar Power NESE xx5-66THB-G12 suitable for a small residential rooftop system? This series is primarily optimized for utility-scale solar farms and larger commercial installations. The large G12 cell format and up to 715 Wp per module result in substantial physical dimensions and weight, which complicates rooftop handling and may exceed the structural capacity of standard residential roof framing. The higher open-circuit voltage also demands compatible MPPT inverters. For residential systems in the 3–10 kWp range, a module in a smaller format is typically a better fit. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/1729755293204949-8985bf8a6a8e.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | -50 W, lighter, +2.7 pp | | [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | Cooler, lighter, +2.7 pp | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | Cooler, lighter, +2.5 pp | | [AIKO AIKO-A700-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a700-mae78dw) | 700 W | Cooler, lighter, +2.5 pp | | [AIKO AIKO-A695-MAE78Dw](https://comparepv.com/panel/aiko-aiko-a695-mae78dw) | 695 W | Cooler, lighter, +2.4 pp | | [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | Cooler, lighter, +2.3 pp | | [Longi Solar LR7-72HVHF-670M](https://comparepv.com/panel/longi-lr7-72hvhf-670m) | 670 W | Cooler, lighter, +2.3 pp | | [Jinko Solar JKM650-670N-66QL6-BDV (670W class)](https://comparepv.com/panel/jinko-solar-jkm650-670n-66ql6-bdv-670w-class) | 670 W | Cooler, lighter, +2.3 pp | | [Neo Solar Power NESE 655-66MHT-G12](https://comparepv.com/panel/neo-solar-power-nese-655-66mht-g12) | 655 W | Lighter, -1.4 pp, -5 yr warranty | | [Neo Solar Power NESE 660-66MHT-G12](https://comparepv.com/panel/neo-solar-power-nese-660-66mht-g12) | 660 W | Lighter, -1.3 pp, -5 yr warranty | | [Neo Solar Power NESE 665-66MHT-G12](https://comparepv.com/panel/neo-solar-power-nese-665-66mht-g12) | 665 W | Lighter, -1.1 pp, -5 yr warranty | | [Neo Solar Power NESE 670-66MHT-G12](https://comparepv.com/panel/neo-solar-power-nese-670-66mht-g12) | 670 W | Lighter, -1.0 pp, -5 yr warranty | | [Neo Solar Power NESE 675-66MHT-G12](https://comparepv.com/panel/neo-solar-power-nese-675-66mht-g12) | 675 W | Hotter, lighter, -5 yr warranty | | [Neo Solar Power NESE 695-66THB-G12](https://comparepv.com/panel/neo-solar-power-nese-695-66thb-g12) | 695 W | Very close match | | [Neo Solar Power NESE 705-66THB-G12](https://comparepv.com/panel/neo-solar-power-nese-705-66thb-g12) | 705 W | Very close match | | [Neo Solar Power NESE 710-66THB-G12](https://comparepv.com/panel/neo-solar-power-nese-710-66thb-g12) | 710 W | +10 W, +0.3 pp | | [AIKO AIKO-A805-GRH78Dw](https://comparepv.com/panel/aiko-aiko-a805-grh78dw) | 805 W | +105 W, cooler, +2.6 pp | --- Source: https://comparepv.com/panel/neo-solar-power-nese-700-66thb-g12 Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.