The Sunpower 320 watt solar panel is one of the highest efficiency PV modules available today. Powered by Sunpower Maxeon solar cell technology, the E19 320 provides conversion efficiencies 19.9%. Designed for residential rooftops, the E-Series panel delivers high energy production for any home.
Sunpower solar panels are only available for purchase with installation by authorized dealers. They are NOT sold separately.
Sunpower 320 Prices
We make it transparent and easy to compare solar prices, but you can not buy Sunpower panels separately. However, we can compare the real-world Sunpower 320 pricing information that is publicly available from the official reporting site of the California Solar Initiative (CSI) Program Administrators and the California Public Utilities Commission.
Average Sunpower 320 Cost per DC Watt Installed: $6.37
Sunpower Installation Dates: May 2011 to December 2014
Average Rated Power per System: 7.4 kW (7,417 watts DC)
Average # Solar Modules per System: 23
Average Sunpower 320 System Installation Cost: $45,503
Average Cost per Sunpower 320 Module Installed: $2,046
Total # Sunpower 320 Modules installed: 10,789
Total # Sunpower 320 Systems installed: 467
This presents actual costs and program data for Sunpower E19 320 watt modules and systems installed in California. These prices include modules, inverters, mounting, balance of systems (BOS) component and installation labor. Don't pay more than you have to; find some of the lowest prices for high performance solar panels here at FreeCleanSolar.com.
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Review Sunpower 320 Specifications
Here is the official datasheet with electrical and mechanical characteristics, test conditions, warranty and certifications for the Sunpower E19-320 watt solar panels, model # SPR-320, SPR-320E, SPR-E19-320, SPR-320E-WHT-D, SPR-320NE-WHT-D, SPR-E19-320-COM, T5-SPR-320E.
STC Peak Power (+/i5%) Pmax: 320 watts
CEC PTC Rating Pmax: 294.8 watts
Module Efficiency: 19.9%
AC kWh generated based on NREL PV Watts estimate
AC power monthly: 40 kWh
AC power per year: 480 kWh
Rated Voltage Vmp: 54.7 V
Rated Current Imp: 5.86 A
Open Circuit Voltage Voc: 64.8 V
Short Circuit Current Isc: 6.24 A
Maximum System Voltage: 1000 V IEC, 600 V UL
Series Fuse Rating: 20 A
Solar Cells Technology: 96 mono-crystalline Maxeon
Front Glass: High transmission tempered glass with anti-reflective coating