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Sunpower 327 Solar Panels

The Sunpower 327 watt solar panel is one of the highest efficiency PV modules available today. Powered by Sunpower Maxeon solar cell technology, the E20 327 provides conversion efficiencies 20.4%. 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 327 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 327 panel 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.

This presents actual costs and program data for Sunpower E20 327 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.
  • Average Sunpower 327 Cost per DC Watt Installed: $5.59
  • Compare to FreeCleanSolar 8 kW system for $2.18 per watt

  • Sunpower Installation Dates: April 2012 to June 2013
  • Average Rated Power per System: 7.6 kW (7,622 watts DC)
  • Average # Solar Modules per System: 23
  • Average Sunpower 327 System Installation Cost: $42.089
  • Average Cost per Sunpower 327 Module Installed: $1,828
  • Total # Sunpower 327 Modules installed: 92,089
  • Total # Sunpower 327 Systems installed: 3,950


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Review Sunpower 327 Specifications

Here is the official datasheet with electrical and mechanical characteristics, test conditions, warranty and certifications for the Sunpower 327 watt solar panels, model # SPR-327, SPR-327E, SPR-E20-327, SPR-327NE-WHT, SPR-E20-327-COM, SPR-E20-327-COM-LAM, SPR-E20-327-COM-T5, SPR-X20-327-BLK, T5-SPR-327.

  • STC Peak Power (+/i5%) Pmax: 327 watts
  • CEC PTC Rating Pmax: 301.4 watts
  • Module Efficiency: 20.4%
  • AC kWh generated based on NREL PV Watts estimate
  • AC power monthly: 41.25 kWh
  • AC power per year: 495 kWh
  • Rated Voltage Vmp: 54.7 V
  • Rated Current Imp: 5.98 A
  • Open Circuit Voltage Voc: 64.9 V
  • Short Circuit Current Isc: 6.46 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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