--- title: "Tata Power Solar TP540HG10B-530 vs Tata Power Solar TP580LG10B - Solar Panel Comparison | ComparePV" description: "Compare Tata Power Solar TP540HG10B-530 vs Tata Power Solar TP580LG10B 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-tp540hg10b-530/tata-power-solar-tp580lg10b" updated: 2026-09-11 --- # Tata Power Solar TP540HG10B-530 vs Tata Power Solar TP580LG10B TP580LG10B leads on the differences that matter The largest is rated power: 50 W more power. 10 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Tata Power Solar TP540HG10B-530](https://comparepv.com/panel/tata-power-solar-tp540hg10b-530) | [Tata Power Solar TP580LG10B](https://comparepv.com/panel/tata-power-solar-tp580lg10b) | | Manufacturer | Tata Power Solar | Tata Power Solar | | Power | 530 Wp | 580 Wp | | Efficiency | 20.52 % | 20.83 % | | Technology | PERC | PERC | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | TP540HG10B-530 | TP580LG10B | Difference | | --- | --- | --- | --- | | Rated power | 530 Wp | 580 Wp | +50 W for TP580LG10B | | Weight | 33.0 kg | 36.0 kg | -3.0 kg for TP540HG10B-530 | | Open-circuit voltage | 49.30 V | 53.63 V | 4.33 V apart | | Module area | 2.583 m² | 2.785 m² | 0.202 m² apart | | Module efficiency | 20.52 % | 20.83 % | +0.31 pp for TP580LG10B | | Power density | 205.2 Wp/m² | 208.3 Wp/m² | +3.1 Wp/m² for TP580LG10B | | Cell count | 144 | 156 | 12 cells apart | | Voltage at max power | 42.20 V | 45.97 V | 3.77 V apart | | Dimensions | 2278x1134x35 mm | 2456x1134x35 mm | 2278x1134x35 mm vs 2456x1134x35 mm | ## Every compared parameter | Parameter | TP540HG10B-530 | TP580LG10B | | --- | --- | --- | | Rated power | 530 Wp | 580 Wp | | Module efficiency | 20.52 % | 20.83 % | | Power density | 205.2 Wp/m² | 208.3 Wp/m² | | Open-circuit voltage | 49.30 V | 53.63 V | | Voltage at max power | 42.20 V | 45.97 V | | Short-circuit current | 13.13 A | 13.12 A | | Current at max power | 12.56 A | 12.62 A | | Temperature coefficient | -0.370 %/°C | -0.370 %/°C | | Dimensions | 2278x1134x35 mm | 2456x1134x35 mm | | Module area | 2.583 m² | 2.785 m² | | Weight | 33.0 kg | 36.0 kg | | Weight per kWp | 62.3 kg/kWp | 62.1 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.60 %/yr | 0.60 %/yr | | Cell technology | PERC | PERC | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 144 | 156 | | 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 (-0.370 %/°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, TP540HG10B-530:** 16,943 kWh - **Cumulative output, TP580LG10B:** 18,541 kWh - **Gap:** 1,598 kWh ## Output when hot | Condition | Cell temperature | TP540HG10B-530 | TP580LG10B | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 530 W | 580 W | 100.0% of rated power | | Cool, bright day | 40 °C | 501 W | 548 W | 94.5% of rated power | | Typical summer roof | 55 °C | 471 W | 516 W | 88.9% of rated power | | Hot roof | 70 °C | 442 W | 483 W | 83.3% of rated power | ## Against the whole database | Measure | TP540HG10B-530 | TP580LG10B | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #11,244 | #10,433 | 14,005 | TP580LG10B leads by 811 places | | Power density | #11,255 | #10,448 | 14,005 | TP580LG10B leads by 807 places | | Heat behaviour | #13,081 | #13,081 | 14,005 | Tied - the same position in the database | | Weight | #12,757 | #12,738 | 14,005 | TP580LG10B leads by 19 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #8,798 | #6,484 | 14,005 | TP580LG10B leads by 2,314 places | ## Questions ### Which panel is better: Tata Power Solar TP540HG10B-530 or Tata Power Solar TP580LG10B? According to our database: **Tata Power Solar TP580LG10B** has higher module efficiency (**20.83%** vs **20.52%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Tata Power Solar TP540HG10B-530 and Tata Power Solar TP580LG10B? **Tata Power Solar TP540HG10B-530** has a module efficiency of **20.52%**, while **Tata Power Solar TP580LG10B** is **20.83%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Tata Power Solar TP540HG10B-530 use vs Tata Power Solar TP580LG10B? **Tata Power Solar TP540HG10B-530** uses **PERC** cells; **Tata Power Solar TP580LG10B** 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 TP540HG10B-530 and Tata Power Solar TP580LG10B? **Tata Power Solar TP540HG10B-530** has a **30 years** power warranty; **Tata Power Solar TP580LG10B** 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 Tata Power Solar TP540HG10B-530 and Tata Power Solar TP580LG10B bifacial panels? Both **Tata Power Solar TP540HG10B-530** and **Tata Power Solar TP580LG10B** 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 TP540HG10B-530 vs Tata Power Solar TP590LG10B](https://comparepv.com/compare/tata-power-solar-tp540hg10b-530/tata-power-solar-tp590lg10b) - 9 differences, the largest is module efficiency - [Tata Power Solar TP540HG10B-530 vs Tata Power Solar TP570LG10B](https://comparepv.com/compare/tata-power-solar-tp540hg10b-530/tata-power-solar-tp570lg10b) - 7 differences, the largest is rated power - [Tata Power Solar TP540HG10B-530 vs Tata Power Solar TP550HG10TB](https://comparepv.com/compare/tata-power-solar-tp540hg10b-530/tata-power-solar-tp550hg10tb) - 9 differences, the largest is module efficiency - [Tata Power Solar TP540HG10B-530 vs Tata Power Solar TP540HG10B-550](https://comparepv.com/compare/tata-power-solar-tp540hg10b-530/tata-power-solar-tp540hg10b-550) - 4 differences, the largest is module efficiency - [Tata Power Solar TP540HG10B-530 vs Tata Power Solar TP545HG10TB](https://comparepv.com/compare/tata-power-solar-tp540hg10b-530/tata-power-solar-tp545hg10tb) - 9 differences, the largest is performance warranty - [Tata Power Solar TP540HG10B-530 vs Tata Power Solar TP540HG10B-545](https://comparepv.com/compare/tata-power-solar-tp540hg10b-530/tata-power-solar-tp540hg10b-545) - 3 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/tata-power-solar-tp540hg10b-530/tata-power-solar-tp580lg10b 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.