--- title: "AE Solar AE CMD-144BDS-580 vs AE Solar AE CMD-144BDS-590 - Solar Panel Comparison | ComparePV" description: "Compare AE Solar AE CMD-144BDS-580 vs AE Solar AE CMD-144BDS-590 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/ae-solar-ae-cmd-144bds-580/ae-solar-ae-cmd-144bds-590" updated: 2026-09-11 --- # AE Solar AE CMD-144BDS-580 vs AE Solar AE CMD-144BDS-590 590 leads on the differences that matter The largest is module efficiency: 0.39 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [AE Solar AE CMD-144BDS-580](https://comparepv.com/panel/ae-solar-ae-cmd-144bds-580) | [AE Solar AE CMD-144BDS-590](https://comparepv.com/panel/ae-solar-ae-cmd-144bds-590) | | Manufacturer | AE Solar | AE Solar | | Power | 580 Wp | 590 Wp | | Efficiency | 22.47 % | 22.86 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 580 | 590 | Difference | | --- | --- | --- | --- | | Module efficiency | 22.47 % | 22.86 % | +0.39 pp for 590 | | Power density | 224.7 Wp/m² | 228.6 Wp/m² | +3.9 Wp/m² for 590 | | Rated power | 580 Wp | 590 Wp | +10 W for 590 | ## Every compared parameter | Parameter | 580 | 590 | | --- | --- | --- | | Rated power | 580 Wp | 590 Wp | | Module efficiency | 22.47 % | 22.86 % | | Power density | 224.7 Wp/m² | 228.6 Wp/m² | | Open-circuit voltage | 52.12 V | 52.24 V | | Voltage at max power | 43.00 V | 43.29 V | | Short-circuit current | 14.40 A | 14.54 A | | Current at max power | 13.49 A | 13.63 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 2278x1133x30 mm | 2278x1133x30 mm | | Module area | 2.581 m² | 2.581 m² | | Weight | 31.0 kg | 31.0 kg | | Weight per kWp | 53.4 kg/kWp | 52.5 kg/kWp | | Product warranty | 30 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 144 | 144 | | Bifacial | Yes | Yes | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other. - **Cumulative output, 580:** 19,460 kWh - **Cumulative output, 590:** 19,796 kWh - **Gap:** 336 kWh ## Output when hot | Condition | Cell temperature | 580 | 590 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 580 W | 590 W | 100.0% of rated power | | Cool, bright day | 40 °C | 555 W | 564 W | 95.7% of rated power | | Typical summer roof | 55 °C | 530 W | 539 W | 91.3% of rated power | | Hot roof | 70 °C | 504 W | 513 W | 87.0% of rated power | ## Against the whole database | Measure | 580 | 590 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #4,576 | #2,536 | 14,005 | 590 leads by 2,040 places | | Power density | #4,528 | #2,463 | 14,005 | 590 leads by 2,065 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #7,379 | #6,152 | 14,005 | 590 leads by 1,227 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #1,471 | #1,099 | 14,005 | 590 leads by 372 places | ## Questions ### Which panel is better: AE Solar AE CMD-144BDS-580 or AE Solar AE CMD-144BDS-590? According to our database: **AE Solar AE CMD-144BDS-590** has higher module efficiency (**22.86%** vs **22.47%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of AE Solar AE CMD-144BDS-580 and AE Solar AE CMD-144BDS-590? **AE Solar AE CMD-144BDS-580** has a module efficiency of **22.47%**, while **AE Solar AE CMD-144BDS-590** is **22.86%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does AE Solar AE CMD-144BDS-580 use vs AE Solar AE CMD-144BDS-590? **AE Solar AE CMD-144BDS-580** uses **TOPCon** cells; **AE Solar AE CMD-144BDS-590** uses **TOPCon**. Modern **n-type** technologies (**TOPCon**, **HJT**, BC) typically deliver higher efficiency and lower degradation compared to older **PERC** (p-type) cells. ### What is the warranty on AE Solar AE CMD-144BDS-580 and AE Solar AE CMD-144BDS-590? **AE Solar AE CMD-144BDS-580** has a **30 years** power warranty; **AE Solar AE CMD-144BDS-590** has a **30 years** power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80**-87%**). Product (materials) warranties are usually shorter. ### Are AE Solar AE CMD-144BDS-580 and AE Solar AE CMD-144BDS-590 bifacial panels? Both **AE Solar AE CMD-144BDS-580** and **AE Solar AE CMD-144BDS-590** are bifacial - they capture reflected light from the ground, which can add 5**-15%** more annual energy on ground-mount or elevated rooftop installations with a light surface beneath. ## Related comparisons - [AE Solar AE CMD-144BDS-580 vs AE Solar AE CMD-144BDS-585](https://comparepv.com/compare/ae-solar-ae-cmd-144bds-580/ae-solar-ae-cmd-144bds-585) - One difference: module efficiency - [AE Solar AE CMD-144BDS-580 vs AE Solar AE CMD-144BDS-575](https://comparepv.com/compare/ae-solar-ae-cmd-144bds-580/ae-solar-ae-cmd-144bds-575) - The same specification on paper - [AE Solar AE CMD-144BDS-580 vs AE Solar AE CMD-144BDS-570](https://comparepv.com/compare/ae-solar-ae-cmd-144bds-580/ae-solar-ae-cmd-144bds-570) - 3 differences, the largest is module efficiency - [AE Solar AE CMD-144BDS-580 vs AE Solar CMD-108BDS-440](https://comparepv.com/compare/ae-solar-ae-cmd-144bds-580/ae-solar-cmd-108bds-440) - 8 differences, the largest is rated power - [AE Solar AE CMD-144BDS-580 vs AE Solar AE CMD-108BDS 440W](https://comparepv.com/compare/ae-solar-ae-cmd-144bds-580/ae-solar-ae-cmd-108bds-440w) - 7 differences, the largest is rated power - [AE Solar AE CMD-144BDS-580 vs AE Solar CMD-108BDS-435](https://comparepv.com/compare/ae-solar-ae-cmd-144bds-580/ae-solar-cmd-108bds-435) - 8 differences, the largest is rated power --- Source: https://comparepv.com/compare/ae-solar-ae-cmd-144bds-580/ae-solar-ae-cmd-144bds-590 Not in this file, on the page: the thirty-year yield curve year by year at a cell temperature you pick and a written summary generated on request.