--- title: "Goldi Solar GS10-T144-GF-590Wp vs Goldi Solar GS10-T144-GF-595Wp - Solar Panel Comparison | ComparePV" description: "Compare Goldi Solar GS10-T144-GF-590Wp vs Goldi Solar GS10-T144-GF-595Wp 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-590wp/goldi-solar-gs10-t144-gf-595wp" updated: 2026-09-11 --- # Goldi Solar GS10-T144-GF-590Wp vs Goldi Solar GS10-T144-GF-595Wp Identical on every published parameter All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Goldi Solar GS10-T144-GF-590Wp](https://comparepv.com/panel/goldi-solar-gs10-t144-gf-590wp) | [Goldi Solar GS10-T144-GF-595Wp](https://comparepv.com/panel/goldi-solar-gs10-t144-gf-595wp) | | Manufacturer | Goldi Solar | Goldi Solar | | Power | 590 Wp | 595 Wp | | Efficiency | 22.84 % | 23.03 % | | Technology | TOPCon | TOPCon | ## Every compared parameter | Parameter | 590Wp | 595Wp | | --- | --- | --- | | Rated power | 590 Wp | 595 Wp | | Module efficiency | 22.84 % | 23.03 % | | Power density | 228.4 Wp/m² | 230.3 Wp/m² | | Open-circuit voltage | 53.13 V | 53.17 V | | Voltage at max power | 45.85 V | 45.95 V | | Short-circuit current | 13.65 A | 13.66 A | | Current at max power | 12.88 A | 12.95 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 | 53.4 kg/kWp | 52.9 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, 590Wp:** 19,796 kWh - **Cumulative output, 595Wp:** 19,963 kWh - **Gap:** 167 kWh ## Output when hot | Condition | Cell temperature | 590Wp | 595Wp | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 590 W | 595 W | 100.0% of rated power | | Cool, bright day | 40 °C | 563 W | 568 W | 95.5% of rated power | | Typical summer roof | 55 °C | 537 W | 541 W | 91.0% of rated power | | Hot roof | 70 °C | 510 W | 515 W | 86.5% of rated power | ## Against the whole database | Measure | 590Wp | 595Wp | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #2,617 | #1,744 | 14,005 | 595Wp leads by 873 places | | Power density | #2,598 | #1,758 | 14,005 | 595Wp leads by 840 places | | Heat behaviour | #6,093 | #6,093 | 14,005 | Tied - the same position in the database | | Weight | #7,293 | #6,657 | 14,005 | 595Wp leads by 636 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #3,739 | #3,329 | 14,005 | 595Wp leads by 410 places | ## Questions ### Which panel is better: Goldi Solar GS10-T144-GF-590Wp or Goldi Solar GS10-T144-GF-595Wp? According to our database: **Goldi Solar GS10-T144-GF-**595 Wp**** has higher module efficiency (**23.03%** vs **22.84%**). 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-590Wp and Goldi Solar GS10-T144-GF-595Wp? **Goldi Solar GS10-T144-GF-**590 Wp**** has a module efficiency of **22.84%**, while **Goldi Solar GS10-T144-GF-**595 Wp**** is **23.03%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Goldi Solar GS10-T144-GF-590Wp use vs Goldi Solar GS10-T144-GF-595Wp? **Goldi Solar GS10-T144-GF-**590 Wp**** uses **TOPCon** cells; **Goldi Solar GS10-T144-GF-**595 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-590Wp and Goldi Solar GS10-T144-GF-595Wp? **Goldi Solar GS10-T144-GF-**590 Wp**** has a **30 years** power warranty; **Goldi Solar GS10-T144-GF-**595 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-590Wp and Goldi Solar GS10-T144-GF-595Wp bifacial panels? Both **Goldi Solar GS10-T144-GF-**590 Wp**** and **Goldi Solar GS10-T144-GF-**595 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-590Wp vs Goldi Solar GS10-M156-WF-600](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-590wp/goldi-solar-gs10-m156-wf-600) - 13 differences, the largest is module efficiency - [Goldi Solar GS10-T144-GF-590Wp vs Goldi Solar GS10-M156-WF-595](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-590wp/goldi-solar-gs10-m156-wf-595) - 11 differences, the largest is module efficiency - [Goldi Solar GS10-T144-GF-590Wp vs Goldi Solar GS10-M156-WF-590](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-590wp/goldi-solar-gs10-m156-wf-590) - 11 differences, the largest is module efficiency - [Goldi Solar GS10-T144-GF-590Wp vs Goldi Solar GS10-M156-WF-585](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-590wp/goldi-solar-gs10-m156-wf-585) - 11 differences, the largest is module efficiency - [Goldi Solar GS10-T144-GF-590Wp vs Goldi Solar GS10-T144-GF-585Wp](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-590wp/goldi-solar-gs10-t144-gf-585wp) - The same specification on paper - [Goldi Solar GS10-T144-GF-590Wp vs Goldi Solar GS10-M156-WF-580](https://comparepv.com/compare/goldi-solar-gs10-t144-gf-590wp/goldi-solar-gs10-m156-wf-580) - 12 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/goldi-solar-gs10-t144-gf-590wp/goldi-solar-gs10-t144-gf-595wp 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.