--- title: "Sunova TS-BGT66(700)-G12 vs Sunova TS-BGT66(710)-G12 - Solar Panel Comparison | ComparePV" description: "Compare Sunova TS-BGT66(700)-G12 vs Sunova TS-BGT66(710)-G12 side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/sunova-ts-bgt66-700-g12/sunova-ts-bgt66-710-g12" updated: 2026-09-11 --- # Sunova TS-BGT66(700)-G12 vs Sunova TS-BGT66(710)-G12 BGT66(710)-G12 leads on the differences that matter The largest is module efficiency: 0.40 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Sunova TS-BGT66(700)-G12](https://comparepv.com/panel/sunova-ts-bgt66-700-g12) | [Sunova TS-BGT66(710)-G12](https://comparepv.com/panel/sunova-ts-bgt66-710-g12) | | Manufacturer | Sunova | Sunova | | Power | 700 Wp | 710 Wp | | Efficiency | 22.50 % | 22.90 % | | Technology | N-type | N-type | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | BGT66(700)-G12 | BGT66(710)-G12 | Difference | | --- | --- | --- | --- | | Module efficiency | 22.50 % | 22.90 % | +0.40 pp for BGT66(710)-G12 | | Power density | 225.3 Wp/m² | 228.6 Wp/m² | +3.2 Wp/m² for BGT66(710)-G12 | | Rated power | 700 Wp | 710 Wp | +10 W for BGT66(710)-G12 | ## Every compared parameter | Parameter | BGT66(700)-G12 | BGT66(710)-G12 | | --- | --- | --- | | Rated power | 700 Wp | 710 Wp | | Module efficiency | 22.50 % | 22.90 % | | Power density | 225.3 Wp/m² | 228.6 Wp/m² | | Open-circuit voltage | 48.60 V | 49.00 V | | Voltage at max power | 40.50 V | 40.90 V | | Short-circuit current | 18.32 A | 18.40 A | | Current at max power | 17.29 A | 17.36 A | | Temperature coefficient | -0.300 %/°C | -0.300 %/°C | | Dimensions | 2384x1303x35 mm | 2384x1303x35 mm | | Module area | 3.106 m² | 3.106 m² | | Weight | 37.8 kg | 37.8 kg | | Weight per kWp | 54.0 kg/kWp | 53.2 kg/kWp | | Product warranty | 15 yrs | 15 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | N-type | N-type | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 132 | 132 | | 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 (-0.300 %/°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, BGT66(700)-G12:** 23,486 kWh - **Cumulative output, BGT66(710)-G12:** 23,822 kWh - **Gap:** 336 kWh ## Output when hot | Condition | Cell temperature | BGT66(700)-G12 | BGT66(710)-G12 | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 700 W | 710 W | 100.0% of rated power | | Cool, bright day | 40 °C | 669 W | 678 W | 95.5% of rated power | | Typical summer roof | 55 °C | 637 W | 646 W | 91.0% of rated power | | Hot roof | 70 °C | 606 W | 614 W | 86.5% of rated power | ## Against the whole database | Measure | BGT66(700)-G12 | BGT66(710)-G12 | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #4,222 | #2,359 | 14,005 | BGT66(710)-G12 leads by 1,863 places | | Power density | #3,989 | #2,474 | 14,005 | BGT66(710)-G12 leads by 1,515 places | | Heat behaviour | #6,093 | #6,093 | 14,005 | Tied - the same position in the database | | Weight | #8,183 | #7,077 | 14,005 | BGT66(710)-G12 leads by 1,106 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #944 | #576 | 14,005 | BGT66(710)-G12 leads by 368 places | ## Questions ### Which panel is better: Sunova TS-BGT66(700)-G12 or Sunova TS-BGT66(710)-G12? According to our database: **Sunova TS-BGT66(710)-G12** has higher module efficiency (**22.90%** vs **22.50%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Sunova TS-BGT66(700)-G12 and Sunova TS-BGT66(710)-G12? **Sunova TS-BGT66(700)-G12** has a module efficiency of **22.50%**, while **Sunova TS-BGT66(710)-G12** is **22.90%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Sunova TS-BGT66(700)-G12 use vs Sunova TS-BGT66(710)-G12? **Sunova TS-BGT66(700)-G12** uses **N-type** cells; **Sunova TS-BGT66(710)-G12** uses **N-type**. 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 Sunova TS-BGT66(700)-G12 and Sunova TS-BGT66(710)-G12? **Sunova TS-BGT66(700)-G12** has a **30 years** power warranty; **Sunova TS-BGT66(710)-G12** 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 Sunova TS-BGT66(700)-G12 and Sunova TS-BGT66(710)-G12 bifacial panels? Both **Sunova TS-BGT66(700)-G12** and **Sunova TS-BGT66(710)-G12** 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 - [Sunova TS-BGT66(700)-G12 vs Sunova TS-BGT66(720)-G12](https://comparepv.com/compare/sunova-ts-bgt66-700-g12/sunova-ts-bgt66-720-g12) - 3 differences, the largest is module efficiency - [Sunova TS-BGT66(700)-G12 vs Sunova TS-BGT66(715)-G12](https://comparepv.com/compare/sunova-ts-bgt66-700-g12/sunova-ts-bgt66-715-g12) - 3 differences, the largest is module efficiency - [Sunova TS-BGT66(700)-G12 vs Sunova TS-BGT66(705)-G12](https://comparepv.com/compare/sunova-ts-bgt66-700-g12/sunova-ts-bgt66-705-g12) - One difference: module efficiency - [Sunova TS-BGT66(700)-G12 vs Sunova TS-BGT66(620)-G11](https://comparepv.com/compare/sunova-ts-bgt66-700-g12/sunova-ts-bgt66-620-g11) - 10 differences, the largest is rated power - [Sunova TS-BGT66(700)-G12 vs Sunova TS-BGT66(615)-G11](https://comparepv.com/compare/sunova-ts-bgt66-700-g12/sunova-ts-bgt66-615-g11) - 8 differences, the largest is rated power - [Sunova TS-BGT66(700)-G12 vs Sunova TS-BGT66(610)-G11](https://comparepv.com/compare/sunova-ts-bgt66-700-g12/sunova-ts-bgt66-610-g11) - 7 differences, the largest is rated power --- Source: https://comparepv.com/compare/sunova-ts-bgt66-700-g12/sunova-ts-bgt66-710-g12 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.