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SunPower 225 Solar Panels

The SunPower 225 watt solar panels provides high efficiency and performance. Powered by SunPower solar cell technology, the E18 series provides panel conversion efficiencies of up to 18.1%. Designed for residential or commercial rooftops, the panel delivers high energy production for any home or business.

Sunpower solar panels are only available for purchase with installation by authorized dealers. They are NOT sold separately.

Sunpower 225 Prices

We try to make it transparent and easy to compare solar prices, but Sunpower does not sell modules separately and does not publicly disclose prices. However, we can compare the real-world Sunpower 225 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 E18 225 modules and systems installed in California. These prices includes 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 225 Cost per DC Watt Installed: $8.13
  • Compare to FreeCleanSolar 5.5 kW system for $2.10 per watt

  • Sunpower Installation Dates: March 2008 to June 2013
  • Average Rated Power per System: 5.4 kW (5,475 watts DC)
  • Average # Solar Modules per System: 24
  • Average Sunpower 225 System Installation Cost: $42,062
  • Average Cost per Sunpower 225 Module Installed: $1,836
  • Total # Sunpower 225 Modules installed: 115,714
  • Total # Sunpower 225 Systems installed: 4,768


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Sunpower E18 225 Specifications

Here is the official datasheet with electrical and mechanical characteristics, test conditions, warranty and certifications for the Sunpower 225 watt solar panels, model # SPR-225, SPR-225E, SPR-E19-225, SPR-225-BLK-U, SPR-225E-BLK-D, SPR-225E-BLK-U-ACPV, SPR-225E-WHT-D, SPR-225NE-BLK-D.

  • STC Peak Power (+/i5%) Pmax: 225 watts
  • CEC PTC Rating Pmax: 205 watts
  • Module Efficiency: 18.1%
  • AC kWh generated based on NREL PV Watts estimate
  • AC power monthly: 28.125 kWh
  • AC power per year: 337.5 kWh
  • Rated Voltage Vmp: 40.5 V
  • Rated Current Imp: 5.55 A
  • Open Circuit Voltage Voc: 48.0 V
  • Short Circuit Current Isc: 5.93 A
  • Maximum System Voltage: 1000 V IEC, 600 V UL
  • Series Fuse Rating: 20 A
  • Solar Cells Technology: 72 mono-crystalline
  • Front Glass: High transmission tempered glass with anti-reflective coating
  • Dimensions: 61.39 x 31.42 x 1.81 inches
  • Weight: 33.1 to 37 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: 10 years
  • Power Warranty: 25 years
  • Certifications: UL listed (UL 1703), Class C Fire Rating


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