--- title: "Ulica Solar TSM156-9-625BNDG vs Ulica Solar TSM156-9-630BNDG - Solar Panel Comparison | ComparePV" description: "Compare Ulica Solar TSM156-9-625BNDG vs Ulica Solar TSM156-9-630BNDG side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/ulica-solar-tsm156-9-625bndg/ulica-solar-tsm156-9-630bndg" updated: 2026-09-11 --- # Ulica Solar TSM156-9-625BNDG vs Ulica Solar TSM156-9-630BNDG 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 | [Ulica Solar TSM156-9-625BNDG](https://comparepv.com/panel/ulica-solar-tsm156-9-625bndg) | [Ulica Solar TSM156-9-630BNDG](https://comparepv.com/panel/ulica-solar-tsm156-9-630bndg) | | Manufacturer | Ulica Solar | Ulica Solar | | Power | 625 Wp | 630 Wp | | Efficiency | 22.40 % | 22.50 % | | Technology | TOPCon | TOPCon | ## Every compared parameter | Parameter | 625BNDG | 630BNDG | | --- | --- | --- | | Rated power | 625 Wp | 630 Wp | | Module efficiency | 22.40 % | 22.50 % | | Power density | 223.6 Wp/m² | 225.4 Wp/m² | | Open-circuit voltage | 56.01 V | 56.20 V | | Voltage at max power | 46.82 V | 46.98 V | | Short-circuit current | 14.22 A | 14.28 A | | Current at max power | 13.36 A | 13.42 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 2465x1134x30 mm | 2465x1134x30 mm | | Module area | 2.795 m² | 2.795 m² | | Weight | 33.5 kg | 33.5 kg | | Weight per kWp | 53.6 kg/kWp | 53.2 kg/kWp | | Product warranty | 5 yrs | 5 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.40 %/yr | 0.40 %/yr | | Cell technology | TOPCon | TOPCon | | Cell type | Monocrystalline | Monocrystalline | | Cell count | 156 | 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 (-0.290 %/°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, 625BNDG:** 20,970 kWh - **Cumulative output, 630BNDG:** 21,138 kWh - **Gap:** 168 kWh ## Output when hot | Condition | Cell temperature | 625BNDG | 630BNDG | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 625 W | 630 W | 100.0% of rated power | | Cool, bright day | 40 °C | 598 W | 603 W | 95.7% of rated power | | Typical summer roof | 55 °C | 571 W | 575 W | 91.3% of rated power | | Hot roof | 70 °C | 543 W | 548 W | 87.0% of rated power | ## Against the whole database | Measure | 625BNDG | 630BNDG | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #4,774 | #4,222 | 14,005 | 630BNDG leads by 552 places | | Power density | #4,955 | #3,907 | 14,005 | 630BNDG leads by 1,048 places | | Heat behaviour | #2,165 | #2,165 | 14,005 | Tied - the same position in the database | | Weight | #7,601 | #6,993 | 14,005 | 630BNDG leads by 608 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #4,451 | #4,163 | 14,005 | 630BNDG leads by 288 places | ## Questions ### Which panel is better: Ulica Solar TSM156-9-625BNDG or Ulica Solar TSM156-9-630BNDG? According to our database: **Ulica Solar TSM156-9-630BNDG** has higher module efficiency (**22.50%** vs **22.40%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Ulica Solar TSM156-9-625BNDG and Ulica Solar TSM156-9-630BNDG? **Ulica Solar TSM156-9-625BNDG** has a module efficiency of **22.40%**, while **Ulica Solar TSM156-9-630BNDG** is **22.50%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Ulica Solar TSM156-9-625BNDG use vs Ulica Solar TSM156-9-630BNDG? **Ulica Solar TSM156-9-625BNDG** uses **TOPCon** cells; **Ulica Solar TSM156-9-630BNDG** 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 Ulica Solar TSM156-9-625BNDG and Ulica Solar TSM156-9-630BNDG? **Ulica Solar TSM156-9-625BNDG** has a **30 years** power warranty; **Ulica Solar TSM156-9-630BNDG** 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 Ulica Solar TSM156-9-625BNDG and Ulica Solar TSM156-9-630BNDG bifacial panels? Both **Ulica Solar TSM156-9-625BNDG** and **Ulica Solar TSM156-9-630BNDG** 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 - [Ulica Solar TSM156-9-625BNDG vs Ulica Solar TSM156-9-645BNDG](https://comparepv.com/compare/ulica-solar-tsm156-9-625bndg/ulica-solar-tsm156-9-645bndg) - 3 differences, the largest is module efficiency - [Ulica Solar TSM156-9-625BNDG vs Ulica Solar TSM156-9-640BNDG](https://comparepv.com/compare/ulica-solar-tsm156-9-625bndg/ulica-solar-tsm156-9-640bndg) - 3 differences, the largest is module efficiency - [Ulica Solar TSM156-9-625BNDG vs Ulica Solar TSM156-9-635BNDG](https://comparepv.com/compare/ulica-solar-tsm156-9-625bndg/ulica-solar-tsm156-9-635bndg) - 3 differences, the largest is module efficiency - [Ulica Solar TSM156-9-625BNDG vs Ulica Solar TSM156-9-620BNDG](https://comparepv.com/compare/ulica-solar-tsm156-9-625bndg/ulica-solar-tsm156-9-620bndg) - One difference: module efficiency - [Ulica Solar TSM156-9-625BNDG vs Ulica Solar UL-715M-132DGN](https://comparepv.com/compare/ulica-solar-tsm156-9-625bndg/ulica-solar-ul-715m-132dgn) - 12 differences, the largest is rated power - [Ulica Solar TSM156-9-625BNDG vs Ulica Solar UL-710M-132DGN](https://comparepv.com/compare/ulica-solar-tsm156-9-625bndg/ulica-solar-ul-710m-132dgn) - 12 differences, the largest is rated power --- Source: https://comparepv.com/compare/ulica-solar-tsm156-9-625bndg/ulica-solar-tsm156-9-630bndg 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.