--- title: "AUSTA ENERGY AU550-36V-MHD 550W Solar Panel - Specs & Review | ComparePV" description: "AUSTA ENERGY AU550-36V-MHD 550W solar panel. Specs: 21.29% efficiency, Monocrystalline cells, dimensions, warranty and temperature coefficient." source: "https://comparepv.com/panel/austa-energy-au550-36v-mhd" updated: 2026-09-11 --- # AUSTA ENERGY AU550-36V-MHD Strong in heat, heavy for its output 589 panels in the segment PERC 550-600 W ## Identity - **Manufacturer:** AUSTA ENERGY - **Model:** AU550-36V-MHD - **Rated power:** 550 W - **Cell technology:** PERC ## How it compares Compared against segment PERC 550-600 W (589 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 550 W | 560 W | Weak - bottom 15% | | | Module efficiency | 21.29% | 21.29% | Typical | 8,708 | | Power density | 212.9 | 212.9 | Typical | 8,497 | | Temperature coefficient | -0.300 | -0.350 | Strong - top 1% | 6,093 | | Weight (kg) | 32.2 kg | 30.8 kg | Weak - bottom 21% | | | Performance warranty | 30 yrs | 27 yrs | Strong - top 25% | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 21.29% | 21.29% | Typical | 8,708 | | Power density | 212.9 | 212.9 | Typical | 8,497 | | Temperature coefficient | -0.300 | -0.350 | Strong - top 1% | 6,093 | | Weight per kWp | 58.5 | 52.7 | Weak - bottom 21% | 11,786 | | Performance warranty | 30 yrs | 27 yrs | Strong - top 25% | 21 | ### Strengths - **-0.300 %/°C temperature coefficient** - Top 1% of the PERC 550-600 W segment, against a median of -0.350. Ranked 6,093rd in the whole database. - **30 year performance warranty** - Top 25% of the PERC 550-600 W segment, against a median of 27 yrs. ### Watch out for - **58.5 kg per kWp** - Bottom 21% of the PERC 550-600 W segment, against a median of 52.7. - **Best for:** Hot roofs and southern climates and owners who value a long output guarantee. - **Not ideal for:** Weight-limited structures. ## Specification ### Electrical - **Rated power (Pmax):** 550 W - **Efficiency:** 21.29 % - **Voltage at Pmax (Vmp):** 41.50 V - **Current at Pmax (Imp):** 13.26 A - **Open-circuit voltage (Voc):** 50.21 V - **Short-circuit current (Isc):** 14.00 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.300 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.046 %/degC - **NOCT:** 45 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** PERC - **Cell count:** 144 ### Physical - **Length:** 2278 mm - **Width:** 1134 mm - **Thickness:** 35 mm - **Weight:** 32.2 kg - **Area:** 2.58 m2 - **Power density:** 212.9 Wp/m2 ### Warranty and degradation - **Product warranty:** 15 years - **Performance warranty:** 30 years ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 8708 of 14005 | | Power density | 8497 of 14005 | | Temperature coefficient | 6093 of 14005 | | Weight | 11786 of 14005 | | Warranty | 21 of 14005 | ## Notable figures - Efficiency of 21.3% matches the \*\*PERC 550-600W\*\* median - At 212.9 W/m² power density, roof space requirements are typical for \*\*PERC 550-600W\*\* panels - Temperature coefficient of -0.30%/°C vs median -0.35%/°C means ~2% less power loss at 65°C - At 32.2 kg (1.4 kg above \*\*PERC 550-600W\*\* median of 30.8 kg), requires checking roof load capacity - Ranked #8708 out of 14005 panels for efficiency in the database ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/aid-9960336-a279d758c505.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | Cooler, lighter, +3.7 pp | | [Longi Solar LR7-60HVH-560M](https://comparepv.com/panel/longi-lr7-60hvh-560m) | 560 W | Cooler, lighter, +3.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | Cooler, lighter, +3.4 pp | | [Longi Solar LR7-60HVH-555M](https://comparepv.com/panel/longi-lr7-60hvh-555m) | 555 W | Cooler, lighter, +3.3 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | Cooler, lighter, +3.2 pp | | [AUSTA ENERGY ODA525-36V-MH](https://comparepv.com/panel/austa-energy-oda525-36v-mh) | 525 W | Hotter, lighter, -1.0 pp | | [AUSTA ENERGY ODA530-36V-MH](https://comparepv.com/panel/austa-energy-oda530-36v-mh) | 530 W | Hotter, lighter, -0.8 pp | | [AUSTA ENERGY ODA535-36V-MH](https://comparepv.com/panel/austa-energy-oda535-36v-mh) | 535 W | Hotter, lighter, -0.6 pp | | [AUSTA ENERGY ODA540-36V-MH](https://comparepv.com/panel/austa-energy-oda540-36v-mh) | 540 W | Hotter, lighter, -0.4 pp | | [AUSTA ENERGY ODA545-36V-MH](https://comparepv.com/panel/austa-energy-oda545-36v-mh) | 545 W | Hotter, lighter, -0.2 pp | | [AUSTA ENERGY ODA550-36V-MH](https://comparepv.com/panel/austa-energy-oda550-36v-mh) | 550 W | Hotter, lighter | | [AUSTA ENERGY ODA555-36V-MHD](https://comparepv.com/panel/austa-energy-oda555-36v-mhd) | 555 W | Cooler | | [AIKO AIKO-A650-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a650-mae72mw) | 650 W | +100 W, lighter, +3.9 pp | | [AIKO AIKO-A645-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a645-mae72mw) | 645 W | +95 W, lighter, +3.7 pp | | [AIKO AIKO-A640-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a640-mae72mw) | 640 W | +90 W, lighter, +3.5 pp | | [AIKO AIKO-A635-MAE72Mw](https://comparepv.com/panel/aiko-aiko-a635-mae72mw) | 635 W | +85 W, lighter, +3.3 pp | --- Source: https://comparepv.com/panel/austa-energy-au550-36v-mhd Not in this file, on the page: the I-V and temperature curves lifted from the manufacturer's datasheet, a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.