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Sunpower 320 Solar Panels

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
  • Compare to FreeCleanSolar 8 kW system for $3.18 per watt

  • 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
  • Dimensions: 61.4 x 41.2 x 1.81 inches
  • Weight: 41 lbs
  • Junction Box: IP-65 rated with 3 bypass diodes
  • Output Cables: 35.43 inches, multi-contact connectors
  • Frame Construction: Anodized aluminum alloy type 6063
  • Operating Temperature Range: -40F to +185F
  • Maximum Wind and Snow Load: 50 psf, 2400 Pascals, front and back
  • Hail Impact Resistance: 25mm, 1 inch hail at 23 m/s or 51 mph
  • Product Warranty: 25 years
  • Power Warranty: 25 years
  • Certifications: UL listed (UL 1703), IEC 61216, IEC 61730Class C Fire Rating


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