--- title: "IBC Solar IBC Module White 450 MS-TA1 450W Solar Panel - Specs & Review | ComparePV" description: "IBC Solar IBC Module White 450 MS-TA1 450W solar panel. Specs: 22.52% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/ibc-solar-ibc-module-white-450-ms-ta1" updated: 2026-09-11 --- # IBC Solar IBC Module White 450 MS-TA1 Light for its output, weak in heat 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** IBC Solar - **Model:** IBC Module White 450 MS-TA1 - **Series:** IBC Module White 440–455 MS-TA1 - **Rated power:** 450 W - **Cell technology:** TOPCon ## How it compares Compared against segment TOPCon 450-500 W (1089 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 450 W | 465 W | Weak - bottom 9% | | | Module efficiency | 22.52% | 22.52% | Typical | 4,108 | | Power density | 225.2 | 225.2 | Typical | 4,225 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 20% | 6,093 | | Weight (kg) | 21.0 kg | 24.0 kg | Strong - top 19% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.52% | 22.52% | Typical | 4,108 | | Power density | 225.2 | 225.2 | Typical | 4,225 | | Temperature coefficient | -0.300 | -0.290 | Weak - bottom 20% | 6,093 | | Weight per kWp | 46.7 | 52.2 | Strong - top 19% | 1,258 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Strengths - **46.7 kg per kWp** - Top 19% of the TOPCon 450-500 W segment, against a median of 52.2. ### Watch out for - **-0.300 %/°C temperature coefficient** - Bottom 20% of the TOPCon 450-500 W segment, against a median of -0.290. - **Best for:** Residential, commercial and shaded-installations. - **Not ideal for:** Hot climates. ## Specification ### Electrical - **Rated power (Pmax):** 450 W - **Efficiency:** 22.52 % - **Voltage at Pmax (Vmp):** 33.21 V - **Current at Pmax (Imp):** 13.55 A - **Open-circuit voltage (Voc):** 39.78 V - **Short-circuit current (Isc):** 14.00 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:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 30 mm - **Weight:** 21.0 kg - **Area:** 2.00 m2 - **Power density:** 225.2 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 30 years - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 393 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 4108 of 14005 | | Power density | 4225 of 14005 | | Temperature coefficient | 6093 of 14005 | | Weight | 1258 of 14005 | | Warranty | 21 of 14005 | ## Pros - **Top-tier module efficiency** - The series delivers 22.02–22.77% module efficiency, matching the best peer comparables: Sunlike SKT455 (22.8%) and LEDVANCE M455 (22.77%), and significantly outperforming Waaree ARKA (20.93%). On a typical 25 m² rooftop, the gap vs. Waaree translates to roughly 200–250 kWh/year of additional yield. - **TOPCon N-type: -0.30%/°C Pmax and LeTID certification** - The temperature coefficient of Pmax at -0.30%/°C is superior to standard PERC cells (-0.35–0.37%/°C), delivering meaningfully higher output on hot summer days. The Fraunhofer CSP independently confirmed exceptionally high performance stability for IBC Solar modules in its LeTID test, validating minimal power loss under sustained heat and irradiance. - **16-busbar multi-busbar + half-cut cells** - The 108 half-cut cell layout (12×9) combined with a 16-wire multi-busbar reduces resistive losses and mitigates the impact of partial shading — a practical advantage for residential rooftops with chimneys, antennas, or dormers casting shadows on the array. - **Positive power tolerance 0/+3%** - The manufacturer guarantees a zero lower power tolerance: every module delivers at least its rated STC output. For the 455 Wp variant, this means a real output range of 455–468.65 Wp from day one, eliminating negative surprises during system commissioning and yield audits. - **30-year linear power warranty + brand since 1982** - IBC Solar has operated since 1982, headquartered in Bad Staffelstein, Germany — 40+ years of track record supporting real long-term warranty claims. The 30-year linear performance warranty aligns with the best-in-class standard among premium TOPCon manufacturers. ## Cons - **15-year product warranty below market standard** - The product warranty covers 15 years (or 15 years + 40 months under the residential bundle), while direct TOPCon competitors Jinko Tiger Neo and Trina Vertex S+ both offer a standard 25-year product warranty. The 10-year gap may be a meaningful consideration for investors benchmarking total operational risk across premium installations. ## About this series The IBC Solar IBC Module White 440-455 MS-TA1 series are modules designed to maximize energy production from a limited surface area - particularly in situations where every square meter of roof space counts. The use of **TOPCon** technology helps maintain high performance even in challenging conditions and at higher temperatures, resulting in more stable annual energy production. The **multi-busbar** with a dense connection grid also reduces current losses and improves the module's performance under partial shading - a practical feature for residential installations, chimneys, and dormers. The design of the series emphasizes **positive power tolerance**, ensuring that the installation operates predictably from the start, without unpleasant surprises in real-world measurements. The enhanced mechanical strength makes it easier to design for roofs exposed to snow and wind loads, and the **long warranties** support the long-term profitability of the investment. This is a good choice for homes, businesses, and premium installations where quality, reliability, and high energy yield are important. ## Notable figures - Efficiency of 22.5% matches the \*\*TOPCon 450-500W\*\* median - Power density of 225.2 W/m² matches the \*\*TOPCon 450-500W\*\* median - At -0.30%/°C, hot weather performance is typical for \*\*TOPCon 450-500W\*\* panels - 21.0 kg weight - 3.0 kg lighter than \*\*TOPCon 450-500W\*\* median (24.0 kg), reducing installation effort - Ranked #4108 out of 14005 panels for efficiency in the database ## Questions ### What warranty comes with the IBC Module White 440–455 MS-TA1 series? The IBC Module White 440–455 MS-TA1 series includes a 15-year product warranty covering material and workmanship defects, plus a 30-year linear power output warranty. This means IBC Solar guarantees a predictable, scheduled degradation curve over three decades. The 30-year performance warranty is one of the more generous packages in this price segment and strongly supports the long-term return on investment. ### What is TOPCon technology in the IBC Module White MS-TA1 panels, and is it worth the premium? TOPCon (Tunnel Oxide Passivated Contact) is a next-generation cell technology that places a thin oxide layer between the silicon substrate and the metal contact, reducing charge-carrier recombination. In practice, the IBC Module White MS-TA1 achieves module efficiency up to 22.77%, performs better at high temperatures during summer, and delivers a higher annual energy yield than older PERC modules. For rooftop systems where every kilowatt-hour matters, the premium is generally justified. ### Will IBC Module White 455 MS-TA1 panels perform well on a roof with chimneys or dormers? Yes. The series uses a 16-busbar multi-busbar layout combined with half-cut cell technology, so each cell is split into two independently operating halves. Partial shading from a chimney, dormer, or neighboring building does not shut down the entire string, and power losses are significantly lower than in older designs with fewer busbars. This is a meaningful practical advantage for typical single-family residential installations. ### What efficiency do IBC Module White 440–455 MS-TA1 modules achieve, and what does that mean in real life? The top-tier 455 Wp variant reaches module efficiency up to 22.77%, which at 1762 × 1134 mm delivers considerably more energy per square meter than typical PERC modules at 20–21%. For a roof with limited usable area, this translates into fitting a higher-capacity system without expanding the array footprint. The positive-only power tolerance (0/+3 Wp) guarantees that real-world output will never fall below the nameplate rating. ### Can IBC Module White MS-TA1 modules handle heavy snow loads and strong winds? Yes. The IBC Module White MS-TA1 series is certified for a mechanical load of up to 5,400 Pa, equivalent to roughly 540 kg per square meter. This is sufficient for Polish regions with heavy snowfall and for wind-exposed roof orientations. The anodized aluminum frame and tempered front glass protect the cells throughout the 30-year power warranty period. ### Are IBC Module White 440–455 MS-TA1 panels bifacial? No. The IBC Module White 440–455 MS-TA1 series is monofacial. The rear surface is covered with an opaque backsheet, so it does not capture reflected albedo light. This is the standard and fully adequate solution for rooftop installations where the rear side has no access to reflected irradiance. Bifacial modules deliver extra yield primarily in ground-mounted systems over light-colored or reflective ground surfaces. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ibc-module-white-455-ms-ta1-datasheet-6b2ff9ea7684.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +45 W, cooler, +2.3 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +40 W, cooler, +2.0 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +50 W, cooler, +2.0 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +50 W, cooler, +2.0 pp | | [Gokin GK-3-54HGb-500M](https://comparepv.com/panel/gokin-gk-3-54hgb-500m) | 500 W | +50 W, cooler, +2.0 pp | | [GCL GCL-NR10R/54BGDF](https://comparepv.com/panel/gcl-gcl-nr10r-54bgdf) | 500 W | +50 W, cooler, +2.0 pp | | [IBC Solar IBC MonoSol 430 MS10-HC-N GEN2](https://comparepv.com/panel/ibc-solar-ibc-monosol-430-ms10-hc-n-gen2) | 430 W | -20 W, heavier, -1.0 pp | | [IBC Solar IBC MonoSol 435 MS10-HC-N GEN2](https://comparepv.com/panel/ibc-solar-ibc-monosol-435-ms10-hc-n-gen2) | 435 W | -15 W, heavier, -0.8 pp | | [IBC Solar IBC Module White 440 MS-TA1](https://comparepv.com/panel/ibc-solar-ibc-module-white-440-ms-ta1) | 440 W | -10 W, -0.5 pp | | [IBC Solar IBC Module White 445 MS-TA1](https://comparepv.com/panel/ibc-solar-ibc-module-white-445-ms-ta1) | 445 W | -0.2 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +60 W, cooler, +2.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +55 W, cooler, +2.2 pp | --- Source: https://comparepv.com/panel/ibc-solar-ibc-module-white-450-ms-ta1 Not in this file, on the page: a thirty-year output simulator and alternatives filtered by how closely they match these dimensions.