Best Solar Panel Companies 2026
by Anonymous
Residential solar costs $2.50-$4.20 per watt installed in 2026, making a typical 10kW system $25,000-$42,000 before the 30% federal tax credit. SunPower leads efficiency at 24.1% but commands premium pricing. Budget-friendly options from Jinko and LONGi deliver 21%+ efficiency at $2.25-$2.40 per watt, making solar accessible to more homeowners.
SunPower (Maxeon 7)
24.1%
panel efficiency
$3.80-$4.20
cost per watt
40 years
warranty
0.25%/year
degradation rate
Maximum efficiency, small roofs
best for
REC (Alpha Pure-R)
22.3%
panel efficiency
$3.00-$3.40
cost per watt
25 years
warranty
0.25%/year
degradation rate
Premium quality, fair price
best for
Canadian Solar (HiKu7)
21.0%
panel efficiency
$2.50-$2.80
cost per watt
25 years
warranty
0.4%/year
degradation rate
Best value per watt
best for
Jinko Solar
21.5%
panel efficiency
$2.25
cost per watt
25 years
warranty
0.4%/year
degradation rate
Most affordable high-efficiency
best for
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