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Sunpower X20 250 Solar Panels

The Sunpower 250 watt solar panel is one of the highest efficiency PV modules available today. Powered by Sunpower Maxeon solar cell technology, the X20 series provides conversion efficiencies of up to 20.3%. The X20 250 watt has low voltage temperature coefficient and exceptional low-light performance attributes provide outstanding energy delivery per peak power watt.

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

Sunpower X20 250 Prices

We try to 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 250 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 X20 250 watt modules and systems installed in California. These price 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 X20 250 Cost per DC Watt Installed: $4.82
  • Compare to FreeCleanSolar 8 kW system for $2.12 per watt

  • Sunpower Installation Dates: March 2013 to June 2013
  • Average Rated Power per System: 8 kW (8,000 watts DC)
  • Average # Solar Modules per System: 32
  • Average Sunpower 250 System Installation Cost: $37,580
  • Average Cost per Sunpower 250 Module Installed: $1,204
  • Total # Sunpower 250 Modules installed: 130
  • Total # Sunpower 250 Systems installed: 4


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Review Sunpower X20 250 Specifications

Here is the official datasheet with electrical and mechanical characteristics, test conditions, warranty and certifications for the Sunpower X20 250 watt solar panels, model # SPR-250, SPR-X20-250, SPR-X20-250-BLK, SPR-250NX-BLK-D.

  • STC Peak Power (+/i5%) Pmax: 250 watts
  • CEC PTC Rating Pmax: 231.7 watts
  • Module Efficiency: 20.3%
  • AC kWh generated based on NREL PV Watts estimate
  • AC power monthly: 31.25 kWh
  • AC power per year: 375 kWh
  • Rated Voltage Vmp: 42.8 V
  • Rated Current Imp: 5.84 A
  • Open Circuit Voltage Voc: 50.9 V
  • Short Circuit Current Isc: 6.20 A
  • Maximum System Voltage: 1000 V IEC, 600 V UL
  • Series Fuse Rating: 20 A
  • Solar Cells Technology: 72 mono-crystalline Maxeon Gen III
  • Front Glass: High transmission tempered glass with anti-reflective coating
  • Dimensions: 61.4" x 31.4" x 1.8 inches
  • Weight: 33 lbs
  • Junction Box: IP-65 rated with 3 bypass diodes
  • Output Cables: 34.5 inches, multi-contact connectors
  • Frame Construction: Anodized aluminum alloy type 6063, black
  • 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 1703, IEC 61216, IEC 61730 Class C Fire Rating

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