--- title: "Astronergy CHSM72N-HC-575 vs Astronergy CHSM72N-HC-580 - Solar Panel Comparison | ComparePV" description: "Compare Astronergy CHSM72N-HC-575 vs Astronergy CHSM72N-HC-580 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-575/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-580" updated: 2026-09-11 --- # Astronergy CHSM72N-HC-575 vs Astronergy CHSM72N-HC-580 580 leads on the differences that matter The largest is module efficiency: 0.20 pp more efficient. 18 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Astronergy CHSM72N-HC-575](https://comparepv.com/panel/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-575) | [Astronergy CHSM72N-HC-580](https://comparepv.com/panel/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-580) | | Manufacturer | Astronergy | Astronergy | | Power | 575 Wp | 580 Wp | | Efficiency | 22.30 % | 22.50 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 575 | 580 | Difference | | --- | --- | --- | --- | | Module efficiency | 22.30 % | 22.50 % | +0.20 pp for 580 | ## Every compared parameter | Parameter | 575 | 580 | | --- | --- | --- | | Rated power | 575 Wp | 580 Wp | | Module efficiency | 22.30 % | 22.50 % | | Power density | 222.6 Wp/m² | 224.5 Wp/m² | | Open-circuit voltage | 51.00 V | 51.15 V | | Voltage at max power | 42.50 V | 42.63 V | | Short-circuit current | 14.20 A | 14.30 A | | Current at max power | 13.53 A | 13.61 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 2278x1134x35 mm | 2278x1134x35 mm | | Module area | 2.583 m² | 2.583 m² | | Weight | 26.9 kg | 26.9 kg | | Weight per kWp | 46.8 kg/kWp | 46.4 kg/kWp | | Product warranty | 12 yrs | 12 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 | No | No | ## 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, 575:** 19,292 kWh - **Cumulative output, 580:** 19,460 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 575 | 580 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 575 W | 580 W | 100.0% of rated power | | Cool, bright day | 40 °C | 550 W | 555 W | 95.7% of rated power | | Typical summer roof | 55 °C | 525 W | 530 W | 91.3% of rated power | | Hot roof | 70 °C | 500 W | 504 W | 87.0% of rated power | ## Against the whole database | Measure | 575 | 580 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #5,100 | #4,222 | 14,005 | 580 leads by 878 places | | Power density | #5,549 | #4,547 | 14,005 | 580 leads by 1,002 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #1,352 | #1,132 | 14,005 | 580 leads by 220 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #4,770 | #4,367 | 14,005 | 580 leads by 403 places | ## Questions ### Which panel is better: Astronergy CHSM72N-HC-575 or Astronergy CHSM72N-HC-580? According to our database: **Astronergy CHSM72N-HC-580** has higher module efficiency (**22.50%** vs **22.30%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Astronergy CHSM72N-HC-575 and Astronergy CHSM72N-HC-580? **Astronergy CHSM72N-HC-575** has a module efficiency of **22.30%**, while **Astronergy CHSM72N-HC-580** is **22.50%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Astronergy CHSM72N-HC-575 use vs Astronergy CHSM72N-HC-580? **Astronergy CHSM72N-HC-575** uses **TOPCon** cells; **Astronergy CHSM72N-HC-580** 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 Astronergy CHSM72N-HC-575 and Astronergy CHSM72N-HC-580? **Astronergy CHSM72N-HC-575** has a **30 years** power warranty; **Astronergy CHSM72N-HC-580** 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. ## Related comparisons - [Astronergy CHSM72N-HC-575 vs Astronergy CHSM72N-HC-570](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-575/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-570) - One difference: module efficiency - [Astronergy CHSM72N-HC-575 vs Astronergy CHSM72N-HC-565](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-575/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-565) - 3 differences, the largest is module efficiency - [Astronergy CHSM72N-HC-575 vs Astronergy CHSM66N(DG)/F-BH-735](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-575/astronergy-chsm66n-dg-f-bh-735) - 14 differences, the largest is module efficiency - [Astronergy CHSM72N-HC-575 vs Astronergy CHSM66N(DG)/F-BH-730](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-575/astronergy-chint-new-energy-technology-co-ltd-chsm66n-dg-f-bh-730) - 14 differences, the largest is module efficiency - [Astronergy CHSM72N-HC-575 vs Astronergy CHSM66N(DG)/F-BH-725](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-575/astronergy-chint-new-energy-technology-co-ltd-chsm66n-dg-f-bh-725) - 14 differences, the largest is module efficiency - [Astronergy CHSM72N-HC-575 vs Astronergy CHSM66N(DG)/F-BH-720](https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-575/astronergy-chint-new-energy-technology-co-ltd-chsm66n-dg-f-bh-720) - 14 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-575/astronergy-chint-new-energy-technology-co-ltd-chsm72n-hc-580 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.