--- title: "Tata Power Solar GSD7S72T-580WT vs Tata Power Solar TP575LG10TB - Solar Panel Comparison | ComparePV" description: "Compare Tata Power Solar GSD7S72T-580WT vs Tata Power Solar TP575LG10TB side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/tata-power-solar-gsd7s72t-580wt/tata-power-solar-tp575lg10tb" updated: 2026-09-11 --- # Tata Power Solar GSD7S72T-580WT vs Tata Power Solar TP575LG10TB GSD7S72T-580WT leads on the differences that matter The largest is module efficiency: 1.80 pp more efficient. 4 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Tata Power Solar GSD7S72T-580WT](https://comparepv.com/panel/tata-power-solar-gsd7s72t-580wt) | [Tata Power Solar TP575LG10TB](https://comparepv.com/panel/tata-power-solar-tp575lg10tb) | | Manufacturer | Tata Power Solar | Tata Power Solar | | Power | 580 Wp | 575 Wp | | Efficiency | 22.45 % | 20.65 % | | Technology | TOPCon | PERC | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | GSD7S72T-580WT | TP575LG10TB | Difference | | --- | --- | --- | --- | | Module efficiency | 22.45 % | 20.65 % | +1.80 pp for GSD7S72T-580WT | | Temperature coefficient | -0.300 %/°C | -0.360 %/°C | +0.060 %/°C for GSD7S72T-580WT | | Power density | 224.5 Wp/m² | 206.5 Wp/m² | +18.1 Wp/m² for GSD7S72T-580WT | | Performance warranty | 30 yrs | 25 yrs | +5 yrs for GSD7S72T-580WT | | Annual degradation | 0.40 %/yr | 0.72 %/yr | -0.32 %/yr for GSD7S72T-580WT | | Product warranty | 25 yrs | 10 yrs | +15 yrs for GSD7S72T-580WT | | Module area | 2.583 m² | 2.785 m² | 0.202 m² apart | | Short-circuit current | 14.47 A | 13.10 A | 1.37 A apart | | Open-circuit voltage | 51.02 V | 53.52 V | 2.50 V apart | | Cell technology | TOPCon | PERC | TOPCon vs PERC | | Cell count | 144 | 156 | 12 cells apart | | Voltage at max power | 42.37 V | 45.87 V | 3.50 V apart | | Weight | 32.0 kg | 31.0 kg | -1.0 kg for TP575LG10TB | | Current at max power | 13.69 A | 12.54 A | 1.15 A apart | | Dimensions | 2278x1134x30 mm | 2456x1134x35 mm | 2278x1134x30 mm vs 2456x1134x35 mm | ## Every compared parameter | Parameter | GSD7S72T-580WT | TP575LG10TB | | --- | --- | --- | | Rated power | 580 Wp | 575 Wp | | Module efficiency | 22.45 % | 20.65 % | | Power density | 224.5 Wp/m² | 206.5 Wp/m² | | Open-circuit voltage | 51.02 V | 53.52 V | | Voltage at max power | 42.37 V | 45.87 V | | Short-circuit current | 14.47 A | 13.10 A | | Current at max power | 13.69 A | 12.54 A | | Temperature coefficient | -0.300 %/°C | -0.360 %/°C | | Dimensions | 2278x1134x30 mm | 2456x1134x35 mm | | Module area | 2.583 m² | 2.785 m² | | Weight | 32.0 kg | 31.0 kg | | Weight per kWp | 55.2 kg/kWp | 53.9 kg/kWp | | Product warranty | 25 yrs | 10 yrs | | Performance warranty | 30 yrs | 25 yrs | | Annual degradation | 0.40 %/yr | 0.72 %/yr | | Cell technology | TOPCon | PERC | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 144 | 156 | | Bifacial | Yes | Yes | ## Thirty-year yield Declared annual degradation, with a 1.0% first-year loss assumed for both panels because at least one datasheet omits it, at 1,200 kWh/kWp a year - **Cumulative output, GSD7S72T-580WT:** 19,460 kWh - **Cumulative output, TP575LG10TB:** 18,332 kWh - **Gap:** 1,128 kWh ## Output when hot | Condition | Cell temperature | GSD7S72T-580WT | TP575LG10TB | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 580 W | 575 W | 100.0% of rated power | | Cool, bright day | 40 °C | 554 W | 544 W | 94.6% of rated power | | Typical summer roof | 55 °C | 528 W | 513 W | 89.2% of rated power | | Hot roof | 70 °C | 502 W | 482 W | 83.8% of rated power | ## Against the whole database | Measure | GSD7S72T-580WT | TP575LG10TB | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #4,620 | #11,014 | 14,005 | GSD7S72T-580WT leads by 6,394 places | | Power density | #4,547 | #11,004 | 14,005 | GSD7S72T-580WT leads by 6,457 places | | Heat behaviour | #6,093 | #12,345 | 14,005 | GSD7S72T-580WT leads by 6,252 places | | Weight | #9,588 | #8,049 | 14,005 | TP575LG10TB leads by 1,539 places | | Warranty | #21 | #9,798 | 14,005 | GSD7S72T-580WT leads by 9,777 places | | Overall | #2,039 | #8,435 | 14,005 | GSD7S72T-580WT leads by 6,396 places | ## Questions ### Which panel is better: Tata Power Solar GSD7S72T-580WT or Tata Power Solar TP575LG10TB? According to our database: **Tata Power Solar GSD7S72T-580WT** has higher module efficiency (**22.45%** vs **20.65%**); **Tata Power Solar GSD7S72T-580WT** tolerates heat better (temp coeff **-0.300%/°C** vs **-0.360%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Tata Power Solar GSD7S72T-580WT and Tata Power Solar TP575LG10TB? **Tata Power Solar GSD7S72T-580WT** has a module efficiency of **22.45%**, while **Tata Power Solar TP575LG10TB** is **20.65%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Tata Power Solar GSD7S72T-580WT use vs Tata Power Solar TP575LG10TB? **Tata Power Solar GSD7S72T-580WT** uses **TOPCon** cells; **Tata Power Solar TP575LG10TB** uses **PERC**. 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 Tata Power Solar GSD7S72T-580WT and Tata Power Solar TP575LG10TB? **Tata Power Solar GSD7S72T-580WT** has a **30 years** power warranty; **Tata Power Solar TP575LG10TB** has a **25 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 Tata Power Solar GSD7S72T-580WT and Tata Power Solar TP575LG10TB bifacial panels? Both **Tata Power Solar GSD7S72T-580WT** and **Tata Power Solar TP575LG10TB** 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 - [Tata Power Solar GSD7S72T-580WT vs Tata Power Solar GSD7S72T-595WT](https://comparepv.com/compare/tata-power-solar-gsd7s72t-580wt/tata-power-solar-gsd7s72t-595wt) - 3 differences, the largest is module efficiency - [Tata Power Solar GSD7S72T-580WT vs Tata Power Solar GSD7S72T-590WT](https://comparepv.com/compare/tata-power-solar-gsd7s72t-580wt/tata-power-solar-gsd7s72t-590wt) - 3 differences, the largest is module efficiency - [Tata Power Solar GSD7S72T-580WT vs Tata Power Solar GSD7S72T-585WT](https://comparepv.com/compare/tata-power-solar-gsd7s72t-580wt/tata-power-solar-gsd7s72t-585wt) - One difference: module efficiency - [Tata Power Solar GSD7S72T-580WT vs Tata Power Solar GSD7S72T-575WT](https://comparepv.com/compare/tata-power-solar-gsd7s72t-580wt/tata-power-solar-gsd7s72t-575wt) - The same specification on paper - [Tata Power Solar GSD7S72T-580WT vs Tata Power Solar GSD7S72T-570WT](https://comparepv.com/compare/tata-power-solar-gsd7s72t-580wt/tata-power-solar-gsd7s72t-570wt) - 3 differences, the largest is module efficiency - [Tata Power Solar GSD7S72T-580WT vs Tata Power Solar GSD7S72T-565WT](https://comparepv.com/compare/tata-power-solar-gsd7s72t-580wt/tata-power-solar-gsd7s72t-565wt) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/tata-power-solar-gsd7s72t-580wt/tata-power-solar-tp575lg10tb 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.