--- title: "Adani Solar AB-G12R-132-640 vs Tata Power Solar TP585LG10B - Solar Panel Comparison | ComparePV" description: "Compare Adani Solar AB-G12R-132-640 vs Tata Power Solar TP585LG10B side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/adani-solar-ab-g12r-132-640/tata-power-solar-tp585lg10b" updated: 2026-09-11 --- # Adani Solar AB-G12R-132-640 vs Tata Power Solar TP585LG10B AB-G12R-132-640 leads on the differences that matter The largest is module efficiency: 2.71 pp more efficient. 4 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Adani Solar AB-G12R-132-640](https://comparepv.com/panel/adani-solar-ab-g12r-132-640) | [Tata Power Solar TP585LG10B](https://comparepv.com/panel/tata-power-solar-tp585lg10b) | | Manufacturer | Adani Solar | Tata Power Solar | | Power | 640 Wp | 585 Wp | | Efficiency | 23.71 % | 21.00 % | | Technology | TOPCon | PERC | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | AB-G12R-132-640 | TP585LG10B | Difference | | --- | --- | --- | --- | | Module efficiency | 23.71 % | 21.00 % | +2.71 pp for AB-G12R-132-640 | | Temperature coefficient | -0.280 %/°C | -0.370 %/°C | +0.090 %/°C for AB-G12R-132-640 | | Rated power | 640 Wp | 585 Wp | +55 W for AB-G12R-132-640 | | Power density | 237.1 Wp/m² | 210.0 Wp/m² | +27.1 Wp/m² for AB-G12R-132-640 | | Annual degradation | 0.40 %/yr | 0.60 %/yr | -0.20 %/yr for AB-G12R-132-640 | | Weight per kWp | 52.5 kg/kWp | 61.5 kg/kWp | -9.0 kg/kWp for AB-G12R-132-640 | | Open-circuit voltage | 49.06 V | 53.73 V | 4.67 V apart | | Short-circuit current | 16.09 A | 13.20 A | 2.89 A apart | | Module area | 2.699 m² | 2.785 m² | 0.086 m² apart | | Weight | 33.6 kg | 36.0 kg | -2.4 kg for AB-G12R-132-640 | | Cell technology | TOPCon | PERC | TOPCon vs PERC | | Voltage at max power | 42.00 V | 46.10 V | 4.10 V apart | | Current at max power | 15.26 A | 12.69 A | 2.57 A apart | | Cell count | 132 | 156 | 24 cells apart | | Dimensions | 2382x1133x30 mm | 2456x1134x35 mm | 2382x1133x30 mm vs 2456x1134x35 mm | ## Every compared parameter | Parameter | AB-G12R-132-640 | TP585LG10B | | --- | --- | --- | | Rated power | 640 Wp | 585 Wp | | Module efficiency | 23.71 % | 21.00 % | | Power density | 237.1 Wp/m² | 210.0 Wp/m² | | Open-circuit voltage | 49.06 V | 53.73 V | | Voltage at max power | 42.00 V | 46.10 V | | Short-circuit current | 16.09 A | 13.20 A | | Current at max power | 15.26 A | 12.69 A | | Temperature coefficient | -0.280 %/°C | -0.370 %/°C | | Dimensions | 2382x1133x30 mm | 2456x1134x35 mm | | Module area | 2.699 m² | 2.785 m² | | Weight | 33.6 kg | 36.0 kg | | Weight per kWp | 52.5 kg/kWp | 61.5 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.60 %/yr | | Cell technology | TOPCon | PERC | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 156 | | Bifacial | Yes | Yes | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year - **Cumulative output, AB-G12R-132-640:** 21,473 kWh - **Cumulative output, TP585LG10B:** 18,701 kWh - **Gap:** 2,772 kWh ## Output when hot | Condition | Cell temperature | AB-G12R-132-640 | TP585LG10B | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 640 W | 585 W | 100.0% of rated power | | Cool, bright day | 40 °C | 613 W | 553 W | 94.5% of rated power | | Typical summer roof | 55 °C | 586 W | 520 W | 88.9% of rated power | | Hot roof | 70 °C | 559 W | 488 W | 83.3% of rated power | ## Against the whole database | Measure | AB-G12R-132-640 | TP585LG10B | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #516 | #9,758 | 14,005 | AB-G12R-132-640 leads by 9,242 places | | Power density | #516 | #9,765 | 14,005 | AB-G12R-132-640 leads by 9,249 places | | Heat behaviour | #1,309 | #13,081 | 14,005 | AB-G12R-132-640 leads by 11,772 places | | Weight | #6,043 | #12,659 | 14,005 | AB-G12R-132-640 leads by 6,616 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #1,529 | #6,052 | 14,005 | AB-G12R-132-640 leads by 4,523 places | ## Questions ### Which panel is better: Adani Solar AB-G12R-132-640 or Tata Power Solar TP585LG10B? According to our database: **Adani Solar AB-G12R-132-640** has higher module efficiency (**23.71%** vs **21.00%**); **Adani Solar AB-G12R-132-640** tolerates heat better (temp coeff **-0.280%/°C** vs **-0.370%/°C**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Adani Solar AB-G12R-132-640 and Tata Power Solar TP585LG10B? **Adani Solar AB-G12R-132-640** has a module efficiency of **23.71%**, while **Tata Power Solar TP585LG10B** is **21.00%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Adani Solar AB-G12R-132-640 use vs Tata Power Solar TP585LG10B? **Adani Solar AB-G12R-132-640** uses **TOPCon** cells; **Tata Power Solar TP585LG10B** 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 Adani Solar AB-G12R-132-640 and Tata Power Solar TP585LG10B? **Adani Solar AB-G12R-132-640** has a **30 years** power warranty; **Tata Power Solar TP585LG10B** 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 Adani Solar AB-G12R-132-640 and Tata Power Solar TP585LG10B bifacial panels? Both **Adani Solar AB-G12R-132-640** and **Tata Power Solar TP585LG10B** 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 - [Adani Solar AB-G12R-132-640 vs Adani Solar AB-G12R-132-635](https://comparepv.com/compare/adani-solar-ab-g12r-132-640/adani-solar-ab-g12r-132-635) - The same specification on paper - [Adani Solar AB-G12R-132-640 vs Adani Solar AB-G12R-132-630](https://comparepv.com/compare/adani-solar-ab-g12r-132-640/adani-solar-ab-g12r-132-630) - 3 differences, the largest is module efficiency - [Adani Solar AB-G12R-132-640 vs Adani Solar AB-G12R-132-625](https://comparepv.com/compare/adani-solar-ab-g12r-132-640/adani-solar-ab-g12r-132-625) - 3 differences, the largest is module efficiency - [Adani Solar AB-G12R-132-640 vs Adani Solar AB-G12R-132-620](https://comparepv.com/compare/adani-solar-ab-g12r-132-640/adani-solar-ab-g12r-132-620) - 3 differences, the largest is module efficiency - [Adani Solar AB-G12R-132-640 vs Adani Solar AB-G12R-132-615](https://comparepv.com/compare/adani-solar-ab-g12r-132-640/adani-solar-ab-g12r-132-615) - 4 differences, the largest is module efficiency - [Adani Solar AB-G12R-132-640 vs Adani Solar AB-G12R-132-610](https://comparepv.com/compare/adani-solar-ab-g12r-132-640/adani-solar-ab-g12r-132-610) - 5 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/adani-solar-ab-g12r-132-640/tata-power-solar-tp585lg10b 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.