It’s not clear whether LG and SunPower manufacture their own microinverters for these panels or have rebranded inverters from a supplier. SunPower E-Series: E20-327 DC. Current prices of SunPower solar panels. See specifications, prices, warranty info and reviews for the SPR-A400-G-AC, a 400 Mono-crystalline Silicon solar panel from SunPower. However, retails systems seem to be available with a tier-one string inverter for around $3.50 per watt which is around $0.40 cents per wat more when compared to other leading brands. SunPower offers the A-Series AC panel, which uses the same solar cells as the X-Series and has similar specifications. Series SUNPOWER SPR-X22-370-D-AC (370W) SOLAR PANEL Current Model Yes Country of Manufacturer MY Wattage PMAX 370 Power Tolerance 0%/+5% Short Circuit Current (ISC) 6.6 Open Circuit Voltage (VOC) 70.1 Module Efficiency 22.7 Temperature Coefficient -0.35 i. See specifications, prices, warranty info and reviews for the SPR-E20-327, a 327 Monocrystalline solar panel from SunPower. Model # SPR-E20-327-COM. 4.54 892 Reviews. Lot of 11 SunPower P17 345/350W Poly Solar Panel 350 Watts Grade C SUNPOWER Portable Solar Panels, Flexible Panel / Monocrystalline Cells / Lightweight/ MC4 Connectors Camping, boats, RV + more (100W) 5.0 out of 5 stars 2 $189.99 $ 189 . When it comes to Sunpower solar panels, it’s really hard to see their entire price. See specifications, prices, warranty info and reviews for the SPR-A390-G-AC, a 390 Mono-crystalline Silicon solar panel from SunPower. LG has the NeON R ACe panel, which is based on the NeON R series. I am trying to install solar panels in my house and I decided to use sunpower after all my research, but after being quoted on the Series A 327W – AC i found the new panel came out of Series A 400W, i asked them to quote me on that and their quote is 19% higher on the price even thought the A 327 Ac need 46 panels and the A 400 Need 38 Panels Sort by: SunPower. Their design allows them to work efficiently even in low light, high temperatures and cloudy conditions. The future of solar is now. SunPower’s X-Series solar panels perform particularly well in high-heat conditions and are rigorously tested during the manufacturing process. With the world's first 400+ watt solar panels , the A-Series solar panels deliver the most power per square foot possible, so you can save more while using less space. SunPower's new A-Series solar panels, released in Spring 2019, deliver the most powerful solar cell and highest wattage solar panels available for your roof. Solar panels in the X-Series have efficiency ratings ranging from 20.3% to 22.2%, making them some of the most efficient solar panels on the market. E-Series solar panels won’t deliver your home with as much energy over 25 years as Maxeon solar panels but still around 20% more than conventional panels. 99