--- title: "Goldi Solar GS10-T144-GF-580Wp vs Goldi Solar GS10-T144-GF-585Wp - Solar Panel Comparison | ComparePV" description: "Compare Goldi Solar GS10-T144-GF-580Wp vs Goldi Solar GS10-T144-GF-585Wp side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/goldi-solar-gs10-t144-gf-580wp/goldi-solar-gs10-t144-gf-585wp" updated: 2026-09-11 --- # Goldi Solar GS10-T144-GF-580Wp vs Goldi Solar GS10-T144-GF-585Wp 585Wp 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 | [Goldi Solar GS10-T144-GF-580Wp](https://comparepv.com/panel/goldi-solar-gs10-t144-gf-580wp) | [Goldi Solar GS10-T144-GF-585Wp](https://comparepv.com/panel/goldi-solar-gs10-t144-gf-585wp) | | Manufacturer | Goldi Solar | Goldi Solar | | Power | 580 Wp | 585 Wp | | Efficiency | 22.45 % | 22.65 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 580Wp | 585Wp | Difference | | --- | --- | --- | --- | | Module efficiency | 22.45 % | 22.65 % | +0.20 pp for 585Wp | ## Every compared parameter | Parameter | 580Wp | 585Wp | | --- | --- | --- | | Rated power | 580 Wp | 585 Wp | | Module efficiency | 22.45 % | 22.65 % | | Power density | 224.5 Wp/m² | 226.5 Wp/m² | | Open-circuit voltage | 52.95 V | 53.10 V | | Voltage at max power | 45.50 V | 45.55 V | | Short-circuit current | 13.61 A | 13.64 A | | Current at max power | 12.75 A | 12.85 A | | Temperature coefficient | -0.300 %/°C | -0.300 %/°C | | Dimensions | 2278x1134x30 mm | 2278x1134x30 mm | | Module area | 2.583 m² | 2.583 m² | | Weight | 31.5 kg | 31.5 kg | | Weight per kWp | 54.3 kg/kWp | 53.8 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 | 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 (-0.300 %/°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, 580Wp:** 19,460 kWh - **Cumulative output, 585Wp:** 19,628 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 580Wp | 585Wp | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 580 W | 585 W | 100.0% of rated power | | Cool, bright day | 40 °C | 554 W | 559 W | 95.5% of rated power | | Typical summer roof | 55 °C | 528 W | 532 W | 91.0% of rated power | | Hot roof | 70 °C | 502 W | 506 W | 86.5% of rated power | ## Against the whole database | Measure | 580Wp | 585Wp | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #4,620 | #3,522 | 14,005 | 585Wp leads by 1,098 places | | Power density | #4,547 | #3,500 | 14,005 | 585Wp leads by 1,047 places | | Heat behaviour | #6,093 | #6,093 | 14,005 | Tied - the same position in the database | | Weight | #8,548 | #7,897 | 14,005 | 585Wp leads by 651 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #4,547 | #4,105 | 14,005 | 585Wp leads by 442 places | ## Questions ### Which panel is better: Goldi Solar GS10-T144-GF-580Wp or Goldi Solar GS10-T144-GF-585Wp? According to our database: **Goldi Solar GS10-T144-GF-**585 Wp**** has higher module efficiency (**22.65%** vs **22.45%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Goldi Solar GS10-T144-GF-580Wp and Goldi Solar GS10-T144-GF-585Wp? **Goldi Solar GS10-T144-GF-**580 Wp**** has a module efficiency of **22.45%**, while **Goldi Solar GS10-T144-GF-**585 Wp**** is **22.65%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Goldi Solar GS10-T144-GF-580Wp use vs Goldi Solar GS10-T144-GF-585Wp? **Goldi Solar GS10-T144-GF-**580 Wp**** uses **TOPCon** cells; **Goldi Solar GS10-T144-GF-**585 Wp**** 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 Goldi Solar GS10-T144-GF-580Wp and Goldi Solar GS10-T144-GF-585Wp? **Goldi Solar GS10-T144-GF-**580 Wp**** has a **30 years** power warranty; **Goldi Solar GS10-T144-GF-**585 Wp**** 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 Goldi Solar GS10-T144-GF-580Wp and Goldi Solar GS10-T144-GF-585Wp bifacial panels? Both **Goldi Solar GS10-T144-GF-**580 Wp**** and **Goldi Solar GS10-T144-GF-**585 Wp**** 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 - [Goldi Solar GS10-T144-GF-580Wp vs Goldi Solar GS10-M156-WF-600](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-580wp/goldi-solar-gs10-m156-wf-600) - 13 differences, the largest is module efficiency - [Goldi Solar GS10-T144-GF-580Wp vs Goldi Solar GS10-M156-WF-595](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-580wp/goldi-solar-gs10-m156-wf-595) - 13 differences, the largest is module efficiency - [Goldi Solar GS10-T144-GF-580Wp vs Goldi Solar GS10-T144-GF-595Wp](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-580wp/goldi-solar-gs10-t144-gf-595wp) - 3 differences, the largest is module efficiency - [Goldi Solar GS10-T144-GF-580Wp vs Goldi Solar GS10-M156-WF-590](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-580wp/goldi-solar-gs10-m156-wf-590) - 12 differences, the largest is module efficiency - [Goldi Solar GS10-T144-GF-580Wp vs Goldi Solar GS10-T144-GF-590Wp](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-580wp/goldi-solar-gs10-t144-gf-590wp) - 3 differences, the largest is module efficiency - [Goldi Solar GS10-T144-GF-580Wp vs Goldi Solar GS10-M156-WF-585](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-580wp/goldi-solar-gs10-m156-wf-585) - 11 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/goldi-solar-gs10-t144-gf-580wp/goldi-solar-gs10-t144-gf-585wp 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.