--- title: "Emmvee E550HCBG144 vs Tata Power Solar TP540HG10B-550 - Solar Panel Comparison | ComparePV" description: "Compare Emmvee E550HCBG144 vs Tata Power Solar TP540HG10B-550 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/emmvee-e550hcbg144/tata-power-solar-tp540hg10b-550" image: "https://comparepv.com/og/compare/panels/emmvee-e550hcbg144/tata-power-solar-tp540hg10b-550.png" updated: 2026-09-11 --- # Emmvee E550HCBG144 vs Tata Power Solar TP540HG10B-550 E550HCBG144 leads on the differences that matter The largest is annual degradation: 0.15 %/yr slower. 13 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Emmvee E550HCBG144](https://comparepv.com/panel/emmvee-e550hcbg144) | [Tata Power Solar TP540HG10B-550](https://comparepv.com/panel/tata-power-solar-tp540hg10b-550) | | Manufacturer | Emmvee | Tata Power Solar | | Power | 550 Wp | 550 Wp | | Efficiency | 21.29 % | 21.29 % | | Technology | PERC | PERC | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | E550HCBG144 | TP540HG10B-550 | Difference | | --- | --- | --- | --- | | Annual degradation | 0.45 %/yr | 0.60 %/yr | -0.15 %/yr for E550HCBG144 | | Temperature coefficient | -0.350 %/°C | -0.370 %/°C | +0.020 %/°C for E550HCBG144 | | Weight | 30.0 kg | 33.0 kg | -3.0 kg for E550HCBG144 | | Weight per kWp | 54.5 kg/kWp | 60.0 kg/kWp | -5.5 kg/kWp for E550HCBG144 | | Short-circuit current | 14.01 A | 13.42 A | 0.59 A apart | | Voltage at max power | 41.62 V | 42.62 V | 1.00 V apart | ## Every compared parameter | Parameter | E550HCBG144 | TP540HG10B-550 | | --- | --- | --- | | Rated power | 550 Wp | 550 Wp | | Module efficiency | 21.29 % | 21.29 % | | Power density | 212.9 Wp/m² | 212.9 Wp/m² | | Open-circuit voltage | 49.90 V | 49.75 V | | Voltage at max power | 41.62 V | 42.62 V | | Short-circuit current | 14.01 A | 13.42 A | | Current at max power | 13.22 A | 12.90 A | | Temperature coefficient | -0.350 %/°C | -0.370 %/°C | | Dimensions | 2278x1134x35 mm | 2278x1134x35 mm | | Module area | 2.583 m² | 2.583 m² | | Weight | 30.0 kg | 33.0 kg | | Weight per kWp | 54.5 kg/kWp | 60.0 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.45 %/yr | 0.60 %/yr | | Cell technology | PERC | PERC | | 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 - **Cumulative output, E550HCBG144:** 18,112 kWh - **Cumulative output, TP540HG10B-550:** 17,582 kWh - **Gap:** 530 kWh ## Output when hot | Condition | Cell temperature | E550HCBG144 | TP540HG10B-550 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 550 W | 550 W | 100.0% of rated power | | Cool, bright day | 40 °C | 521 W | 519 W | 94.5% of rated power | | Typical summer roof | 55 °C | 492 W | 489 W | 88.9% of rated power | | Hot roof | 70 °C | 463 W | 458 W | 83.3% of rated power | ## Against the whole database | Measure | E550HCBG144 | TP540HG10B-550 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #8,708 | #8,708 | 14,005 | Tied - the same position in the database | | Power density | #8,497 | #8,497 | 14,005 | Tied - the same position in the database | | Heat behaviour | #10,419 | #13,081 | 14,005 | E550HCBG144 leads by 2,662 places | | Weight | #8,867 | #12,318 | 14,005 | E550HCBG144 leads by 3,451 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #6,944 | #7,023 | 14,005 | E550HCBG144 leads by 79 places | ## Questions ### Which panel is better: Emmvee E550HCBG144 or Tata Power Solar TP540HG10B-550? According to our database: **Emmvee E550HCBG144** tolerates heat better (temp coeff **-0.350%/°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 Emmvee E550HCBG144 and Tata Power Solar TP540HG10B-550? **Emmvee E550HCBG144** has a module efficiency of **21.29%**, while **Tata Power Solar TP540HG10B-550** is **21.29%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Emmvee E550HCBG144 use vs Tata Power Solar TP540HG10B-550? **Emmvee E550HCBG144** uses **PERC** cells; **Tata Power Solar TP540HG10B-550** 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 Emmvee E550HCBG144 and Tata Power Solar TP540HG10B-550? **Emmvee E550HCBG144** has a **30 years** power warranty; **Tata Power Solar TP540HG10B-550** 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 Emmvee E550HCBG144 and Tata Power Solar TP540HG10B-550 bifacial panels? Both **Emmvee E550HCBG144** and **Tata Power Solar TP540HG10B-550** 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 - [Emmvee E550HCBG144 vs Emmvee E545HCBG144](https://comparepv.com/compare/emmvee-e550hcbg144/emmvee-e545hcbg144) - The same specification on paper - [Emmvee E550HCBG144 vs Emmvee E540HCBG144](https://comparepv.com/compare/emmvee-e550hcbg144/emmvee-e540hcbg144) - 3 differences, the largest is module efficiency - [Emmvee E550HCBG144 vs Emmvee E535HCBG144](https://comparepv.com/compare/emmvee-e550hcbg144/emmvee-e535hcbg144) - 3 differences, the largest is module efficiency - [Emmvee E550HCBG144 vs Emmvee E530HCBG144](https://comparepv.com/compare/emmvee-e550hcbg144/emmvee-e530hcbg144) - 4 differences, the largest is module efficiency - [Emmvee E550HCBG144 vs Emmvee E500HCBG132](https://comparepv.com/compare/emmvee-e550hcbg144/emmvee-e500hcbg132) - 9 differences, the largest is rated power - [Emmvee E550HCBG144 vs Emmvee E495HCBG132](https://comparepv.com/compare/emmvee-e550hcbg144/emmvee-e495hcbg132) - 12 differences, the largest is rated power --- Source: https://comparepv.com/compare/emmvee-e550hcbg144/tata-power-solar-tp540hg10b-550 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.