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I love how you have people in a web environment making assumptions over products a. they don't own or b. don't sell. I actually do both. I own a SunPower system and I am also a SunPower dealer. Just because someone is a SunPower dealer doesn't mean they can only sell SunPower. I sell and install all brands of Solar Panels from Kyocera, Mitsu, Sanyo, Sharp, Evergreen and Sunpower.
IMHO I don't think there is one best panel for all homes. It depends on where you live. I live in Phoenix, Arizona where we have 300 plus days of unobstructed sun and high heat conditions. For this market the best panels are going to be Sanyo or SunPower because of their temp coefficient and types of light they take in. For instance going off client installation data I find SunPower systems wake up and go to bed much sooner than lets say a sharp. Sanyo have the highest temp coefficient the cost is higher than all panels. SunPower comes in #2. During cloudy or hazy days SunPower generates more kWh's. I would agree efficiency only matters in certain conditions but when it comes to electrical generation I find SunPower generates the most. We have installed over 500kW worth of Solar and that has been all the above mentioned. It's funny to hear people say well thier "positive grounded" as if that means something bad. This doesn't prolong the install process what so ever and its done because to discharge static charge. Another thing with SunPower is all other panels have an instant power degration between 2-5 percent once exposed to the sun. SunPower doesn't have this problem due to the doping process of the cells.
Most panel manufactures actual PV cells come from the same place China or QCells. SunPower make thier own and Sanyo have both anomorphus and crystaline structure. Keep im mind these systems can last between 20-50 years is it worth skimping a few thousand dollars. I mean in the end your going to get paid back and thensome in accumulated savings.
I am not saying SunPower is the best in the World what I am saying is that they are definitly high quality panels with actual data to back it up. When looking for the best anything take the word of someone that actually has the product not people who think they know whats best. Dont see any SunPower dealers or owners giving feedback on a product they actually sell or own. Other than myself.
Facts about SunPower:
10 Year Workmanship Warranty/25 Output...Evergreen 5....Sanyo/Kyocera/Sharp 2 Years Workmanship
US Based but manufactures cells in Phillipines....they pay taxes in US
Only Business is Solar...not LCD, Cars, Cell Phones
Patented Solar Cell Techonology....MOst cells come from same place
Hold World Record for Efficiency
Second place for Temp CoEfficienct Sanyo is the lowest.
Cell Gridlines and Connections on back of cell doesn't prevent sun from hitting cell.
More SunPower panels on residential, business, and utility than any other brand.
Only select dealers can sell not anyone off the street can sell and install SunPower.
IMHO I don't think there is one best panel for all homes. It depends on where you live. I live in Phoenix, Arizona where we have 300 plus days of unobstructed sun and high heat conditions. For this market the best panels are going to be Sanyo or SunPower because of their temp coefficient and types of light they take in. For instance going off client installation data I find SunPower systems wake up and go to bed much sooner than lets say a sharp. Sanyo have the highest temp coefficient the cost is higher than all panels. SunPower comes in #2. During cloudy or hazy days SunPower generates more kWh's. I would agree efficiency only matters in certain conditions but when it comes to electrical generation I find SunPower generates the most. We have installed over 500kW worth of Solar and that has been all the above mentioned. It's funny to hear people say well thier "positive grounded" as if that means something bad. This doesn't prolong the install process what so ever and its done because to discharge static charge. Another thing with SunPower is all other panels have an instant power degration between 2-5 percent once exposed to the sun. SunPower doesn't have this problem due to the doping process of the cells.
Most panel manufactures actual PV cells come from the same place China or QCells. SunPower make thier own and Sanyo have both anomorphus and crystaline structure. Keep im mind these systems can last between 20-50 years is it worth skimping a few thousand dollars. I mean in the end your going to get paid back and thensome in accumulated savings.
I am not saying SunPower is the best in the World what I am saying is that they are definitly high quality panels with actual data to back it up. When looking for the best anything take the word of someone that actually has the product not people who think they know whats best. Dont see any SunPower dealers or owners giving feedback on a product they actually sell or own. Other than myself.
Facts about SunPower:
10 Year Workmanship Warranty/25 Output...Evergreen 5....Sanyo/Kyocera/Sharp 2 Years Workmanship
US Based but manufactures cells in Phillipines....they pay taxes in US
Only Business is Solar...not LCD, Cars, Cell Phones
Patented Solar Cell Techonology....MOst cells come from same place
Hold World Record for Efficiency
Second place for Temp CoEfficienct Sanyo is the lowest.
Cell Gridlines and Connections on back of cell doesn't prevent sun from hitting cell.
More SunPower panels on residential, business, and utility than any other brand.
Only select dealers can sell not anyone off the street can sell and install SunPower.
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