--- title: "FuturaSun FU 575 MV vs FuturaSun FU 585 MV - Solar Panel Comparison | ComparePV" description: "Compare FuturaSun FU 575 MV vs FuturaSun FU 585 MV side by side: what actually differs, output when it is hot, thirty-year production, and the full specification." source: "https://comparepv.com/compare/futurasun-fu-575-mv/futurasun-fu-585-mv" image: "https://comparepv.com/og/compare/panels/futurasun-fu-575-mv/futurasun-fu-585-mv.png" updated: 2026-09-11 --- # FuturaSun FU 575 MV vs FuturaSun FU 585 MV 585 MV leads on the differences that matter The largest is module efficiency: 0.45 pp more efficient. 16 of 19 comparable parameters are identical. ## The two panels | Attribute | A | B | | --- | --- | --- | | Panel | [FuturaSun FU 575 MV](https://comparepv.com/panel/futurasun-fu-575-mv) | [FuturaSun FU 585 MV](https://comparepv.com/panel/futurasun-fu-585-mv) | | Manufacturer | FuturaSun | FuturaSun | | Power | 575 Wp | 585 Wp | | Efficiency | 22.20 % | 22.65 % | | Technology | TOPCon | TOPCon | ## Where they differ Ranked by how much the difference matters, not by datasheet order. | Parameter | 575 MV | 585 MV | Difference | | --- | --- | --- | --- | | Module efficiency | 22.20 % | 22.65 % | +0.45 pp for 585 MV | | Power density | 222.6 Wp/m² | 226.5 Wp/m² | +3.9 Wp/m² for 585 MV | | Rated power | 575 Wp | 585 Wp | +10 W for 585 MV | ## Every compared parameter | Parameter | 575 MV | 585 MV | | --- | --- | --- | | Rated power | 575 Wp | 585 Wp | | Module efficiency | 22.20 % | 22.65 % | | Power density | 222.6 Wp/m² | 226.5 Wp/m² | | Open-circuit voltage | 50.86 V | 51.14 V | | Voltage at max power | 42.19 V | 42.50 V | | Short-circuit current | 14.40 A | 14.56 A | | Current at max power | 13.63 A | 13.77 A | | Temperature coefficient | -0.290 %/°C | -0.290 %/°C | | Dimensions | 2278x1134x30 mm | 2278x1134x30 mm | | Module area | 2.583 m² | 2.583 m² | | Weight | 32.0 kg | 32.0 kg | | Weight per kWp | 55.7 kg/kWp | 54.7 kg/kWp | | Product warranty | 15 yrs | 15 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 | 144 | 144 | | 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, 575 MV:** 19,292 kWh - **Cumulative output, 585 MV:** 19,628 kWh - **Gap:** 336 kWh ## Output when hot | Condition | Cell temperature | 575 MV | 585 MV | Retained | | --- | --- | --- | --- | --- | | Standard test conditions | 25 °C | 575 W | 585 W | 100.0% of rated power | | Cool, bright day | 40 °C | 550 W | 560 W | 95.7% of rated power | | Typical summer roof | 55 °C | 525 W | 534 W | 91.3% of rated power | | Hot roof | 70 °C | 500 W | 509 W | 87.0% of rated power | ## Against the whole database | Measure | 575 MV | 585 MV | Out of | Note | | --- | --- | --- | --- | --- | | Efficiency | #5,881 | #3,579 | 14,129 | 585 MV leads by 2,302 places | | Power density | #5,612 | #3,557 | 14,129 | 585 MV leads by 2,055 places | | Heat behaviour | #2,220 | #2,220 | 14,129 | Tied - the same position in the database | | Weight | #10,101 | #9,163 | 14,129 | 585 MV leads by 938 places | | Warranty | #21 | #21 | 14,129 | Tied - the same position in the database | | Overall | #4,457 | #3,558 | 14,129 | 585 MV leads by 899 places | ## Questions ### Which panel is better: FuturaSun FU 575 MV or FuturaSun FU 585 MV? According to our database: **FuturaSun FU 585 MV** has higher module efficiency (**22.65%** vs **22.20%**). See the full spec comparison and 30-year energy simulation above for a complete picture. ### What is the efficiency of FuturaSun FU 575 MV and FuturaSun FU 585 MV? **FuturaSun FU 575 MV** has a module efficiency of **22.20%**, while **FuturaSun FU 585 MV** is **22.65%**. Higher efficiency means more electricity from the same roof area - useful when space is limited. ### What cell technology does FuturaSun FU 575 MV use vs FuturaSun FU 585 MV? **FuturaSun FU 575 MV** uses **TOPCon** cells; **FuturaSun FU 585 MV** 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 FuturaSun FU 575 MV and FuturaSun FU 585 MV? **FuturaSun FU 575 MV** has a **30 years** power warranty; **FuturaSun FU 585 MV** 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 FuturaSun FU 575 MV and FuturaSun FU 585 MV bifacial panels? Both **FuturaSun FU 575 MV** and **FuturaSun FU 585 MV** 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 - [FuturaSun FU 575 MV vs FuturaSun FU 720 MV](https://comparepv.com/compare/futurasun-fu-575-mv/futurasun-fu-720-mv) - 11 differences, the largest is module efficiency - [FuturaSun FU 575 MV vs FuturaSun FU 710 MV](https://comparepv.com/compare/futurasun-fu-575-mv/futurasun-fu-710-mv) - 11 differences, the largest is module efficiency - [FuturaSun FU 575 MV vs FuturaSun FU 700 MV](https://comparepv.com/compare/futurasun-fu-575-mv/futurasun-fu-700-mv) - 10 differences, the largest is rated power - [FuturaSun FU 575 MV vs FuturaSun FU 590 MV](https://comparepv.com/compare/futurasun-fu-575-mv/futurasun-fu-590-mv) - 3 differences, the largest is module efficiency - [FuturaSun FU 575 MV vs FuturaSun FU 580 MV](https://comparepv.com/compare/futurasun-fu-575-mv/futurasun-fu-580-mv) - One difference: module efficiency - [FuturaSun FU 575 MV vs FuturaSun FU 570 MV](https://comparepv.com/compare/futurasun-fu-575-mv/futurasun-fu-570-mv) - One difference: module efficiency --- Source: https://comparepv.com/compare/futurasun-fu-575-mv/futurasun-fu-585-mv 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.