Solar Panel Options

Good, Better, and Best Solar Panel Options



Brand Wattage Efficiency Dimensions
SunPower U-Series36520.60%67.6 in x 41.1 in
SunPower U-Series: 400W40020.03%75.7 in x 40.9 in
SunPower M-Series: 415W Residential415 21.50% 73.3 in x 40.6 in
SunPower M-Series: 425W Residential AC42522.00%73.7 in x 40.6 in
*SunPower is the only U.S. solar company that’s been around longer than its 25 year warranty. Based on top 20 manufacturers per Wood Mackenzie US PV Leaderboard Q3 2021.


Mission42019.1%82 x 41.4 in
Panasonic EverVolt350-36020.6%67.8 x 40 in
REC Alpha385-43022.3%68.1 x 44 in
Hanwha Q CELLS 390-41021.4%66.6 x 44.6 in
Solaria40020.2%47.4 x 64.7 in
Aptos37020.3%66.3 x 39.45 in
Certain-Teed40019.9%79.1 x 39.4 in
“25 year Warranty”
Performance and Product
Panels, Inverters, Mounting Hardware, and Labor may all be different companies and separate warranties


Longi LR6 – 600 PH335-35520.3%69.37 x 39.13 in
REC TwinPeak 3315-33520.0%66.30 x 39.25 in
Trina320-34017.5%77.17 x 39.06 in
“25 year Warranty,” Performance only
Product 10-12 year Warranty
Panels, Inverters, Mounting Hardware, and Labor may all be different companies and separate warranties


The SunPower Equinox® system is the most efficient solar panels on the market. In fact, a SunPower panels achieve a world-record setting 22% efficiency rate, the highest efficiency solar panels you can buy for your roof. SunPower solar panel produces the same total energy in its first 17 years as a conventional panel running for 25 years.


The SunPower Equinox® system is the most efficient of the solar panel options for homes. In fact, a SunPower’s patented Maxeon® solar cells are uniquely designed with their copper-backed design reinforces cell strength, resists corrosion, and produces more electricity over time. Unlike conventional solar cells that can crack easily or lose power over time, SunPower is built to last.


SunPower panels’ have built-in micro-inverters hidden behind each panel to optimize power conversion at the source and eliminating the need for ugly external inverters. Paired with SunVault™ Storage an intuitive software allows for individualized power preferences, system operation analysis and savings monitoring.


SunPower Maxeon Solar Panels

SunPower® Maxeon® solar panels have a fundamentally different, and better design. The unique copper foundation of every cell provides strength. And our panels are tested and proven to stand up to temperature swings, battering winds, humidity, hail and more. It’s no surprise a panel this strong is backed by the industry-leading Complete Confidence warranty.