--- title: "Trina Solar TSM-NE21 710W vs Trina Solar TSM-NE21 715W - Solar Panel Comparison | ComparePV" description: "Compare Trina Solar TSM-NE21 710W vs Trina Solar TSM-NE21 715W side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/trina-solar-co-ltd-tsm-ne21-710w/trina-solar-co-ltd-tsm-ne21-715w" updated: 2026-09-11 --- # Trina Solar TSM-NE21 710W vs Trina Solar TSM-NE21 715W 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 | [Trina Solar TSM-NE21 710W](https://comparepv.com/panel/trina-solar-co-ltd-tsm-ne21-710w) | [Trina Solar TSM-NE21 715W](https://comparepv.com/panel/trina-solar-co-ltd-tsm-ne21-715w) | | Manufacturer | Trina Solar | Trina Solar | | Power | 710 Wp | 715 Wp | | Efficiency | 22.90 % | 23.00 % | | Technology | TOPCon | TOPCon | ## Every compared parameter | Parameter | 710W | 715W | | --- | --- | --- | | Rated power | 710 Wp | 715 Wp | | Module efficiency | 22.90 % | 23.00 % | | Power density | 228.6 Wp/m² | 230.2 Wp/m² | | Open-circuit voltage | 49.00 V | 49.20 V | | Voltage at max power | 40.90 V | 41.10 V | | Short-circuit current | 18.40 A | 18.44 A | | Current at max power | 17.36 A | 17.40 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 2384x1303x33 mm | 2384x1303x33 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 32.9 kg | 32.9 kg | | Weight per kWp | 46.3 kg/kWp | 46.0 kg/kWp | | Product warranty | 12 yrs | 12 yrs | | Performance warranty | 25 yrs | 25 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | Bifacial | No | No | ## Thirty-year yield Each panel's own declared degradation curve, at 1,200 kWh/kWp a year Same temp coeff. for both panels (-0.290 %/°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, 710W:** 23,822 kWh - **Cumulative output, 715W:** 23,990 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 710W | 715W | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 710 W | 715 W | 100.0% of rated power | | Cool, bright day | 40 °C | 679 W | 684 W | 95.7% of rated power | | Typical summer roof | 55 °C | 648 W | 653 W | 91.3% of rated power | | Hot roof | 70 °C | 617 W | 622 W | 87.0% of rated power | ## Against the whole database | Measure | 710W | 715W | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #2,359 | #1,919 | 14,005 | 715W leads by 440 places | | Power density | #2,474 | #2,018 | 14,005 | 715W leads by 456 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #1,119 | #955 | 14,005 | 715W leads by 164 places | | Warranty | #9,798 | #9,798 | 14,005 | Tied - the same position in the database | | Overall | #1,297 | #1,135 | 14,005 | 715W leads by 162 places | ## Questions ### Which panel is better: Trina Solar TSM-NE21 710W or Trina Solar TSM-NE21 715W? According to our database: **Trina Solar TSM-NE21 **715 W**** has higher module efficiency (**23.00%** vs **22.90%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Trina Solar TSM-NE21 710W and Trina Solar TSM-NE21 715W? **Trina Solar TSM-NE21 **710 W**** has a module efficiency of **22.90%**, while **Trina Solar TSM-NE21 **715 W**** is **23.00%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Trina Solar TSM-NE21 710W use vs Trina Solar TSM-NE21 715W? **Trina Solar TSM-NE21 **710 W**** uses **TOPCon** cells; **Trina Solar TSM-NE21 **715 W**** 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 Trina Solar TSM-NE21 710W and Trina Solar TSM-NE21 715W? **Trina Solar TSM-NE21 **710 W**** has a **25 years** power warranty; **Trina Solar TSM-NE21 **715 W**** 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. ## Related comparisons - [Trina Solar TSM-NE21 710W vs Trina Solar TSM-NE21 725W](https://comparepv.com/compare/trina-solar-co-ltd-tsm-ne21-710w/trina-solar-co-ltd-tsm-ne21-725w) - 3 differences, the largest is module efficiency - [Trina Solar TSM-NE21 710W vs Trina Solar TSM-NE21 720W](https://comparepv.com/compare/trina-solar-co-ltd-tsm-ne21-710w/trina-solar-co-ltd-tsm-ne21-720w) - 3 differences, the largest is module efficiency - [Trina Solar TSM-NE21 710W vs Trina Solar TSM-NE21 705W](https://comparepv.com/compare/trina-solar-co-ltd-tsm-ne21-710w/trina-solar-co-ltd-tsm-ne21-705w) - One difference: module efficiency - [Trina Solar TSM-NE21 710W vs Trina Solar TSM-NE21 700W](https://comparepv.com/compare/trina-solar-co-ltd-tsm-ne21-710w/trina-solar-co-ltd-tsm-ne21-700w) - 3 differences, the largest is module efficiency - [Trina Solar TSM-NE21 710W vs Trina Solar TSM-NE21 695W](https://comparepv.com/compare/trina-solar-co-ltd-tsm-ne21-710w/trina-solar-co-ltd-tsm-ne21-695w) - 3 differences, the largest is module efficiency - [Trina Solar TSM-NE21 710W vs Trina Solar TSM-NEG21C.20Q-760](https://comparepv.com/compare/trina-solar-co-ltd-tsm-ne21-710w/trina-solar-tsm-neg21c-20q-760) - 12 differences, the largest is module efficiency --- Source: https://comparepv.com/compare/trina-solar-co-ltd-tsm-ne21-710w/trina-solar-co-ltd-tsm-ne21-715w 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.