--- title: "Goldi Solar GS10-M156-WF-585 vs Goldi Solar GS10-T144-GF-580Wp - Solar Panel Comparison | ComparePV" description: "Compare Goldi Solar GS10-M156-WF-585 vs Goldi Solar GS10-T144-GF-580Wp 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-m156-wf-585/goldi-solar-gs10-t144-gf-580wp" updated: 2026-09-11 --- # Goldi Solar GS10-M156-WF-585 vs Goldi Solar GS10-T144-GF-580Wp T144-GF-580Wp leads on the differences that matter The largest is module efficiency: 1.55 pp more efficient. 8 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Goldi Solar GS10-M156-WF-585](https://comparepv.com/panel/goldi-solar-gs10-m156-wf-585) | [Goldi Solar GS10-T144-GF-580Wp](https://comparepv.com/panel/goldi-solar-gs10-t144-gf-580wp) | | Manufacturer | Goldi Solar | Goldi Solar | | Power | 585 Wp | 580 Wp | | Efficiency | 20.90 % | 22.45 % | | Technology | PERC | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | M156-WF-585 | T144-GF-580Wp | Difference | | --- | --- | --- | --- | | Module efficiency | 20.90 % | 22.45 % | +1.55 pp for T144-GF-580Wp | | Temperature coefficient | -0.340 %/°C | -0.300 %/°C | +0.040 %/°C for T144-GF-580Wp | | Power density | 209.5 Wp/m² | 224.5 Wp/m² | +15.1 Wp/m² for T144-GF-580Wp | | Performance warranty | 25 yrs | 30 yrs | +5 yrs for T144-GF-580Wp | | Annual degradation | 0.55 %/yr | 0.40 %/yr | -0.15 %/yr for T144-GF-580Wp | | Module area | 2.793 m² | 2.583 m² | 0.210 m² apart | | Cell technology | PERC | TOPCon | PERC vs TOPCon | | Cell count | 156 | 144 | 12 cells apart | | Bifacial | No | Yes | No vs Yes | | Dimensions | 2465x1133x35 mm | 2278x1134x30 mm | 2465x1133x35 mm vs 2278x1134x30 mm | | Cell type | Polycrystalline | Monocrystalline | Polycrystalline vs Monocrystalline | ## Every compared parameter | Parameter | M156-WF-585 | T144-GF-580Wp | | --- | --- | --- | | Rated power | 585 Wp | 580 Wp | | Module efficiency | 20.90 % | 22.45 % | | Power density | 209.5 Wp/m² | 224.5 Wp/m² | | Open-circuit voltage | 53.73 V | 52.95 V | | Voltage at max power | 45.11 V | 45.50 V | | Short-circuit current | 13.86 A | 13.61 A | | Current at max power | 12.97 A | 12.75 A | | Temperature coefficient | -0.340 %/°C | -0.300 %/°C | | Dimensions | 2465x1133x35 mm | 2278x1134x30 mm | | Module area | 2.793 m² | 2.583 m² | | Weight | 31.5 kg | 31.5 kg | | Weight per kWp | 53.8 kg/kWp | 54.3 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 25 yrs | 30 yrs | | Annual degradation | 0.55 %/yr | 0.40 %/yr | | Cell technology | PERC | TOPCon | | Cell type | Polycrystalline | Monocrystalline | | Cell count | 156 | 144 | | Bifacial | No | Yes | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year - **Cumulative output, M156-WF-585:** 18,959 kWh - **Cumulative output, T144-GF-580Wp:** 19,460 kWh - **Gap:** 501 kWh ## Output when hot | Condition | Cell temperature | M156-WF-585 | T144-GF-580Wp | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 585 W | 580 W | 100.0% of rated power | | Cool, bright day | 40 °C | 555 W | 554 W | 94.9% of rated power | | Typical summer roof | 55 °C | 525 W | 528 W | 89.8% of rated power | | Hot roof | 70 °C | 495 W | 502 W | 84.7% of rated power | ## Against the whole database | Measure | M156-WF-585 | T144-GF-580Wp | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #10,072 | #4,620 | 14,005 | T144-GF-580Wp leads by 5,452 places | | Power density | #9,957 | #4,547 | 14,005 | T144-GF-580Wp leads by 5,410 places | | Heat behaviour | #8,778 | #6,093 | 14,005 | T144-GF-580Wp leads by 2,685 places | | Weight | #7,897 | #8,548 | 14,005 | M156-WF-585 leads by 651 places | | Warranty | #9,798 | #21 | 14,005 | T144-GF-580Wp leads by 9,777 places | | Overall | #7,235 | #4,547 | 14,005 | T144-GF-580Wp leads by 2,688 places | ## Questions ### Which panel is better: Goldi Solar GS10-M156-WF-585 or Goldi Solar GS10-T144-GF-580Wp? According to our database: **Goldi Solar GS10-T144-GF-**580 Wp**** has higher module efficiency (**22.45%** vs **20.90%**); **Goldi Solar GS10-T144-GF-**580 Wp**** tolerates heat better (temp coeff **-0.300%/°C** vs **-0.340%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Goldi Solar GS10-M156-WF-585 and Goldi Solar GS10-T144-GF-580Wp? **Goldi Solar GS10-M156-WF-585** has a module efficiency of **20.90%**, while **Goldi Solar GS10-T144-GF-**580 Wp**** is **22.45%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Goldi Solar GS10-M156-WF-585 use vs Goldi Solar GS10-T144-GF-580Wp? **Goldi Solar GS10-M156-WF-585** uses **PERC** cells; **Goldi Solar GS10-T144-GF-**580 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-M156-WF-585 and Goldi Solar GS10-T144-GF-580Wp? **Goldi Solar GS10-M156-WF-585** has a **25 years** power warranty; **Goldi Solar GS10-T144-GF-**580 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-M156-WF-585 and Goldi Solar GS10-T144-GF-580Wp bifacial panels? **Goldi Solar GS10-T144-GF-**580 Wp**** is bifacial (captures light from both faces); **Goldi Solar GS10-M156-WF-585** is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath. ## Related comparisons - [Goldi Solar GS10-M156-WF-585 vs Goldi Solar GS10-M156-WF-600](https://comparepv.com/compare/goldi-solar-gs10-m156-wf-585/goldi-solar-gs10-m156-wf-600) - 3 differences, the largest is module efficiency - [Goldi Solar GS10-M156-WF-585 vs Goldi Solar GS10-M156-WF-595](https://comparepv.com/compare/goldi-solar-gs10-m156-wf-585/goldi-solar-gs10-m156-wf-595) - 3 differences, the largest is module efficiency - [Goldi Solar GS10-M156-WF-585 vs Goldi Solar GS10-T144-GF-595Wp](https://comparepv.com/compare/goldi-solar-gs10-m156-wf-585/goldi-solar-gs10-t144-gf-595wp) - 12 differences, the largest is module efficiency - [Goldi Solar GS10-M156-WF-585 vs Goldi Solar GS10-M156-WF-590](https://comparepv.com/compare/goldi-solar-gs10-m156-wf-585/goldi-solar-gs10-m156-wf-590) - One difference: module efficiency - [Goldi Solar GS10-M156-WF-585 vs Goldi Solar GS10-T144-GF-590Wp](https://comparepv.com/compare/goldi-solar-gs10-m156-wf-585/goldi-solar-gs10-t144-gf-590wp) - 11 differences, the largest is module efficiency - [Goldi Solar GS10-M156-WF-585 vs Goldi Solar GS10-T144-GF-585Wp](https://comparepv.com/compare/goldi-solar-gs10-m156-wf-585/goldi-solar-gs10-t144-gf-585wp) - 11 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/goldi-solar-gs10-m156-wf-585/goldi-solar-gs10-t144-gf-580wp 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.