Solar Panel Choices

REC panels header

Both panels offered are from established, bankable companies having a large share of the solar panel market. They are all-black, for a sleek look. Although a microinverter, optimizer or central inverter may fail over the life of your system, the odds of a solar panel failing is minuscule—they have no moving parts other than electrons. The panels also routinely exceed their efficiency/output ratings. Your odds of ever having to make a solar panel warranty claim are exceedingly small.

The REC panel is slightly more efficient, producing 92% of first year power (vs 86% for QCells), but costs .30¢ more per watt.

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Q Cells Peak Duo 400

Hanwha Q Cells is a major manufacturer of solar cells, headquartered in Seoul, South Korea, after being founded in 1999 in Thalheim, Germany, where the company still has its engineering offices.

Q Cells has manufacturing facilities in China, Malaysia, South Korea, and the United States. The company was the sixth-largest producer of solar cells in 2019, with shipments totaling 7.3 gigawatts.

Module Power: 400 Watts
Cells: Monocrystalline
Dimensions: 73.98 x 41.14 x 1.26
Module efficiency 20.2%
Output after 25 years is 86%

25 Year Output Warranty
25 Year Materials Warranty
Download Datasheet

 

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REC 400 Alpha Pure

Based in Norway, and founded in 1996, REC has offices in the United States, Europe, and Asiia The solar panels manufactured in Singapore.

REC panels feature their pioneering half-cut cell technology, which increases energy output by reducing the size of solar cells and fitting more on the panel. The panel is split in half, allowing them operate as two separate panels and generate energy if one half is shaded.

Module Power: 400 Watts
Cells: 120 Half cells- Si mono PERC
Dimensions: 69.4 in x 40.8 in x 1.37 in
Module efficiency 21.9%
Output after 25 years is 92%

35 Year Output Warranty
25 Year Materials Warranty
Download Datasheet

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