--- title: "AE Solar AE CMD-L144BD-580 Solar Panel: Specs & Datasheet | ComparePV" description: "AE Solar AE CMD-L144BD-580 solar panel. Specs: 21.36% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/ae-solar-ae-cmd-l144bd-580" image: "https://comparepv.com/og/panel/ae-solar-ae-cmd-l144bd-580.png" updated: 2026-09-11 --- # AE Solar AE CMD-L144BD-580 Middle of its segment, modest efficiency 1,022 panels in the segment TOPCon 550-600 W ## Identity - **Manufacturer:** AE Solar - **Model:** AE CMD-L144BD-580 - **Series:** Terra V - **Rated power:** 580 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 550-600 W (1022 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 580 W | 580 W | Typical | | | Module efficiency | 21.36% | 22.44% | Weak - bottom 5% | 8,522 | | Power density | 213.6 | 224.4 | Weak - bottom 5% | 8,478 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,220 | | Weight (kg) | 29.5 kg | 31.2 kg | Typical | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.36% | 22.44% | Weak - bottom 5% | 8,522 | | Power density | 213.6 | 224.4 | Weak - bottom 5% | 8,478 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,220 | | Weight per kWp | 50.9 | 53.8 | Typical | 4,271 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Watch out for - **21.36% module efficiency** - Bottom 5% of the TOPCon 550-600 W segment, against a median of 22.44%. Ranked 8,522nd in the whole database. - **213.6 watts per square metre** - Bottom 5% of the TOPCon 550-600 W segment, against a median of 224.4. Ranked 8,478th in the whole database. - **Best for:** Residential, commercial, utility-scale, shaded-installations and hot-climate. - **Not ideal for:** Tight roof space and roofs where every square metre has to count. ## Specification ### Electrical - **Rated power (Pmax):** 580 W - **Efficiency:** 21.36 % - **Voltage at Pmax (Vmp):** 43.04 V - **Current at Pmax (Imp):** 13.49 A - **Open-circuit voltage (Voc):** 51.90 V - **Short-circuit current (Isc):** 14.40 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.290 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC - **NOCT:** 42 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 144 - **Bifacial:** yes - **Bifacial gain:** 10.00 ### Physical - **Length:** 2282 mm - **Width:** 1190 mm - **Thickness:** 30 mm - **Weight:** 29.5 kg - **Area:** 2.72 m2 - **Power density:** 213.6 Wp/m2 ### Warranty and degradation - **Product warranty:** 30 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 87.4 % - **First-year degradation:** 1.00 % - **Annual degradation:** 0.40 % - **Output after 30 years:** 507 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8522 of 14129 | | Power density | 8478 of 14129 | | Temperature coefficient | 2220 of 14129 | | Weight | 4271 of 14129 | | Warranty | 21 of 14129 | ## Pros - **The only European Tier 1 BNEF manufacturer** - AE Solar is the only European manufacturer with a Tier 1 status recognized by BloombergNEF (confirmed for the 16th time in Q1 2025), and its bankability ratio has increased from 26% (2023) to 50% (2024). This translates to significantly lower project financing risk and greater stability throughout the 30-year operational lifespan. - **30-year product and performance warranty** - The manufacturer offers a full 30-year warranty, both for the product and for its power output - which significantly exceeds the industry standard offered by comparable companies (Emmvee and ZNShine typically offer 10-12 years of product warranty and 25 years of power warranty). This represents a real reduction in risk for the investor over a 3-decade period. - **Only 36% power loss due to shading** - The twin sub-string configuration (two sub-strings running in parallel, then in series) reduces power losses when shading the lower row to 36% compared to 50% for typical half-cut modules and ~100% for full-cell modules. This is a significant advantage in installations with obstructions (e.g., chimney, antenna, tree). - **75% reduction in the risk of microcracks** - The half-cell architecture in the twin sub-string configuration separates mechanical stresses, reducing the probability of cell cracking by 75% compared to standard modules. This translates to a more stable degradation curve over a longer period, particularly under heavy snow and wind loads. - **Bi-directional functionality without tinting the rear window** - Moving the junction boxes and cables to the module's side edges eliminates the shading of the rear surface, maximizing bifacial gain (bifaciality factor of 80±5%). AE Solar claims up to 10% additional gain from the rear side compared to standard monofacial modules, with a 3.3% increase in energy generation. ## Cons - **Efficiency is approximately 1.1 percentage points lower than that of comparable companies.** - The maximum efficiency of the Terra V series is 21.36%, while direct comparable products - Emmvee Titanium Duo/Clear (22.45%) and ZNShine ZXM7-UHLD144 (22.44%) - achieve approximately 1.1% higher efficiency. When installing a 10 kWp system (~50 m²), this difference translates to a real reduction of approximately 55-80 kWh in annual energy production, which, at an energy price of 0.85 zł/kWh, results in approximately 50-70 zł/year less in revenue. - **The AgriPV specialization limits optimization for rooftops.** - The module is primarily designed for vertical installations (AgriPV, solar fencing, acoustic screens). For a typical pitched roof prosumer installation (30-35°), both the bifacial potential and the advantage of twin sub-string technology in the presence of side shading (not from below) are only partially utilized, which reduces the justification for premium technological features. ## About this series AE Solar Terra V panels redefine efficiency standards through the use of advanced **shingled technology**, which completely eliminates traditional busbar connections between cells. This solution allows for maximum utilization of the module's active surface, which directly translates into higher energy yields from every square meter of the roof. This series effectively solves the problem of power losses resulting from partial shading - thanks to the parallel connection of densely packed silicon strips, the module maintains high efficiency in situations where standard panels drastically lose their performance. Innovative cell architecture ensures **exceptional resistance to micro-cracks** and mechanical stress, guaranteeing stable and trouble-free system operation for many years. It is a solution dedicated primarily to demanding homeowners and commercial property owners for whom the priority is the combination of durability and impeccable aesthetics. **An elegant appearance and uniform surface structure** make the product fit perfectly into modern architectural trends. What distinguishes the Terra V series from the competition is the **minimized risk of hotspots** and excellent performance parameters at high temperatures, allowing for the maintenance of maximum energy yields even during the hottest summer days, significantly increasing the profitability of the entire investment. ## Notable figures - Module efficiency of 21.4% is 1.1pp below average for \*\*TOPCon 550-600W\*\* panels (median: 22.4%) - Power density of 213.6 W/m² is 10.8 W/m² below \*\*TOPCon 550-600W\*\* median (224.4 W/m²) - needs more roof space - Temperature coefficient of -0.29%/°C matches the \*\*TOPCon 550-600W\*\* median - Weight of 29.5 kg (1.7 kg below \*\*TOPCon 550-600W\*\* median of 31.2 kg) allows easier transport and roof mounting - Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof ## Questions ### What is the "shingled" technology used in AE Solar Terra V panels, and what does this mean in practice? The "go-on" technology involves layering narrow strips of silicon on top of each other and electrically connecting them without the use of traditional busbars. In practice, this means that the AE Solar Terra V module has a larger active surface area and generates more energy from the same square meter of roof. An additional benefit is the increased resistance to micro-cracks in the solar cells and minor mechanical damage, which are the main causes of degradation in standard panels. ### What warranty does AE Solar offer for its Terra V series panels? AE Solar provides a 30-year product warranty and a 30-year performance warranty for the Terra V series. This means that the manufacturer is responsible for both the physical defects of the module and guarantees a specific level of performance for three decades. This is one of the longest warranties available on the market for photovoltaic panels, which directly reflects the manufacturer's confidence in the durability of this series. ### Does the AE Solar Terra V panel perform efficiently during hot weather and high temperatures in the summer? Yes. Thanks to the TOPCon technology and the half-cut cell architecture, Terra V panels have a low temperature coefficient of approximately -0.29% per °C. For comparison, older PERC modules achieve values around -0.35% per °C. In practice, this means significantly lower power losses on hot days, which directly translates to higher annual energy yield and a shorter return on investment. ### What advantages does the bifacial design of the AE Solar Terra V panels offer, and is it truly worth paying a premium for it? Bifaciality means that the AE Solar Terra V panel generates energy from both the front and the back sides, reflecting radiation from the ground or roof. The manufacturer claims to achieve up to 10% additional power from the back side. This effect is most pronounced on bright surfaces beneath the panels (e.g., a light-colored roof membrane, gravel, or snow), as well as in agro-PV and vertical installations. In typical roof installations, the gain is usually 3-7%, which makes a significant difference over a year with a peak power of 580 W. ### Is AE Solar a reliable manufacturer, and does Terra V come from a reputable company? AE Solar is a German-based manufacturer classified as Tier 1 by independent photovoltaic industry rating agencies. The Tier 1 status indicates a stable financial situation, a well-established market position, and the willingness of banks to finance projects using these modules. The Terra V series is produced according to European quality standards, and the 30-year warranty is credible because it is backed by a financially stable organization. ### How do AE Solar Terra V panels handle partial shading, such as from a chimney or trees? Terra V handles shading much better than standard modules. The individual solar cells are connected in parallel within narrow strips, preventing the shaded portion of the module from blocking the operation of the remaining part, unlike in traditional series architectures. According to the manufacturer's data, the power loss under partial shading is only around 36%, while conventional panels may lose 50-80% of their performance under the same conditions. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/ae-cmd-l144bd-560w-580w-ver25-4-1-33fa44347e05.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | Cooler, lighter, +3.4 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | Cooler, lighter, +3.2 pp | | [AIKO AIKO-A630-MAH72Dw](https://comparepv.com/panel/aiko-aiko-a630-mah72dw) | 630 W | +50 W, heavier, +3.0 pp | | [Longi Solar LR7-60HVHL-550M](https://comparepv.com/panel/longi-lr7-60hvhl-550m) | 550 W | -30 W, lighter, +3.0 pp | | [JA Solar JAT60S40-540/LR](https://comparepv.com/panel/ja-solar-jat60s40-540-lr) | 540 W | -40 W, lighter, +3.0 pp | | [AE Solar AE CMD-L144BD-560](https://comparepv.com/panel/ae-solar-ae-cmd-l144bd-560) | 560 W | -20 W, -0.7 pp | | [AE Solar AE CMD-L144BD-565](https://comparepv.com/panel/ae-solar-ae-cmd-l144bd-565) | 565 W | -15 W, -0.6 pp | | [AE Solar AE CMD-L144BD-570](https://comparepv.com/panel/ae-solar-ae-cmd-l144bd-570) | 570 W | -10 W, -0.4 pp | | [AE Solar AE CMD-L144BD-575](https://comparepv.com/panel/ae-solar-ae-cmd-l144bd-575) | 575 W | Very close match | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +70 W, cooler, +3.8 pp | | [AIKO AIKO-A680-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a680-mde72mw) | 680 W | +100 W, cooler, +3.8 pp | | [AIKO AIKO-A675-MDE72Mw](https://comparepv.com/panel/aiko-aiko-a675-mde72mw) | 675 W | +95 W, cooler, +3.6 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +65 W, cooler, +3.6 pp | | [WINAICO WST-675BKX72-A2](https://comparepv.com/panel/winaico-wst-675bkx72-a2) | 675 W | +95 W, cooler, +3.6 pp | | [AIKO AIKO-G670-MCH72Mw](https://comparepv.com/panel/aiko-aiko-g670-mch72mw) | 670 W | +90 W, cooler, +3.4 pp | | [Longi Solar LR7-72HVHF-670M](https://comparepv.com/panel/longi-lr7-72hvhf-670m) | 670 W | +90 W, cooler, +3.4 pp | --- Source: https://comparepv.com/panel/ae-solar-ae-cmd-l144bd-580 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.