--- title: "Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-400R-PM - Solar Panel Comparison | ComparePV" description: "Compare Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-400R-PM side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/solaria-powerxt-430r-pl/solaria-solaria-powerxt-400r-pm" updated: 2026-09-11 --- # Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-400R-PM PowerXT 430R-PL leads on the differences that matter The largest is rated power: 30 W more power. 8 of 17 comparable parameters are identical, with 2 more left out because at least one datasheet does not publish them. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [Solaria PowerXT 430R-PL](https://comparepv.com/panel/solaria-powerxt-430r-pl) | [Solaria Solaria PowerXT-400R-PM](https://comparepv.com/panel/solaria-solaria-powerxt-400r-pm) | | Manufacturer | Solaria | Solaria | | Power | 430 Wp | 400 Wp | | Efficiency | 20.40 % | 20.20 % | | Technology | | | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | PowerXT 430R-PL | Solaria PowerXT-400R-PM | Difference | | --- | --- | --- | --- | | Rated power | 430 Wp | 400 Wp | +30 W for PowerXT 430R-PL | | Open-circuit voltage | 45.70 V | 51.10 V | 5.40 V apart | | Short-circuit current | 11.87 A | 9.82 A | 2.05 A apart | | Module area | 2.112 m² | 1.979 m² | 0.132 m² apart | | Module efficiency | 20.40 % | 20.20 % | +0.20 pp for PowerXT 430R-PL | | Voltage at max power | 37.90 V | 42.40 V | 4.50 V apart | | Current at max power | 11.35 A | 9.41 A | 1.94 A apart | | Weight per kWp | 50.5 kg/kWp | 52.5 kg/kWp | -2.0 kg/kWp for PowerXT 430R-PL | | Dimensions | 1957x1079x35 mm | 1644x1204x40 mm | 1957x1079x35 mm vs 1644x1204x40 mm | ## Every compared parameter | Parameter | PowerXT 430R-PL | Solaria PowerXT-400R-PM | | --- | --- | --- | | Rated power | 430 Wp | 400 Wp | | Module efficiency | 20.40 % | 20.20 % | | Power density | 203.6 Wp/m² | 202.1 Wp/m² | | Open-circuit voltage | 45.70 V | 51.10 V | | Voltage at max power | 37.90 V | 42.40 V | | Short-circuit current | 11.87 A | 9.82 A | | Current at max power | 11.35 A | 9.41 A | | Temperature coefficient | -0.390 %/°C | -0.390 %/°C | | Dimensions | 1957x1079x35 mm | 1644x1204x40 mm | | Module area | 2.112 m² | 1.979 m² | | Weight | 21.7 kg | 21.0 kg | | Weight per kWp | 50.5 kg/kWp | 52.5 kg/kWp | | Product warranty | 30 yrs | 30 yrs | | Performance warranty | 30 yrs | 30 yrs | | Annual degradation | 0.48 %/yr | 0.48 %/yr | | Cell technology | - | - | | Cell type | Monocrystalline | Monocrystalline | | Cell count | - | - | | 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 (-0.390 %/°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, PowerXT 430R-PL:** 14,093 kWh - **Cumulative output, Solaria PowerXT-400R-PM:** 13,110 kWh - **Gap:** 983 kWh ## Output when hot | Condition | Cell temperature | PowerXT 430R-PL | Solaria PowerXT-400R-PM | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 430 W | 400 W | 100.0% of rated power | | Cool, bright day | 40 °C | 405 W | 377 W | 94.2% of rated power | | Typical summer roof | 55 °C | 380 W | 353 W | 88.3% of rated power | | Hot roof | 70 °C | 355 W | 330 W | 82.5% of rated power | ## Against the whole database | Measure | PowerXT 430R-PL | Solaria PowerXT-400R-PM | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #11,598 | #11,956 | 14,005 | PowerXT 430R-PL leads by 358 places | | Power density | #11,673 | #11,987 | 14,005 | PowerXT 430R-PL leads by 314 places | | Heat behaviour | #13,579 | #13,579 | 14,005 | Tied - the same position in the database | | Weight | #3,841 | #6,043 | 14,005 | PowerXT 430R-PL leads by 2,202 places | | Warranty | #21 | #21 | 14,005 | Tied - the same position in the database | | Overall | #8,404 | #9,549 | 14,005 | PowerXT 430R-PL leads by 1,145 places | ## Questions ### Which panel is better: Solaria PowerXT 430R-PL or Solaria Solaria PowerXT-400R-PM? According to our database: **Solaria PowerXT 430R-PL** has higher module efficiency (**20.40%** vs **20.20%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of Solaria PowerXT 430R-PL and Solaria Solaria PowerXT-400R-PM? **Solaria PowerXT 430R-PL** has a module efficiency of **20.40%**, while **Solaria **Solaria** PowerXT-400R-PM** is **20.20%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does Solaria PowerXT 430R-PL use vs Solaria Solaria PowerXT-400R-PM? **Solaria PowerXT 430R-PL** uses Monocrystalline cells; **Solaria **Solaria** PowerXT-400R-PM** uses Monocrystalline. 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 Solaria PowerXT 430R-PL and Solaria Solaria PowerXT-400R-PM? **Solaria PowerXT 430R-PL** has a **30 years** power warranty; **Solaria **Solaria** PowerXT-400R-PM** 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. ## Related comparisons - [Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-430C-PD](https://comparepv.com/compare/solaria-powerxt-430r-pl/solaria-solaria-powerxt-430c-pd) - 10 differences, the largest is performance warranty - [Solaria PowerXT 430R-PL vs Solaria PowerXT 420R-PL](https://comparepv.com/compare/solaria-powerxt-430r-pl/solaria-powerxt-420r-pl) - 3 differences, the largest is module efficiency - [Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-420C-BD](https://comparepv.com/compare/solaria-powerxt-430r-pl/solaria-solaria-powerxt-420c-bd) - 13 differences, the largest is module efficiency - [Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-420C-PD](https://comparepv.com/compare/solaria-powerxt-430r-pl/solaria-solaria-powerxt-420c-pd) - 11 differences, the largest is module efficiency - [Solaria PowerXT 430R-PL vs Solaria Solaria PowerXT-410C-BD](https://comparepv.com/compare/solaria-powerxt-430r-pl/solaria-solaria-powerxt-410c-bd) - 12 differences, the largest is module efficiency - [Solaria PowerXT 430R-PL vs Solaria Solaria PowerX-400R](https://comparepv.com/compare/solaria-powerxt-430r-pl/solaria-solaria-powerx-400r) - 11 differences, the largest is performance warranty --- Source: https://comparepv.com/compare/solaria-powerxt-430r-pl/solaria-solaria-powerxt-400r-pm 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.