High Wattage Solar Panels

I am hoping someone can help me find panels over 400W. any ideas where i can find a supplier?

Comments

  • BB.BB. Super Moderators, Administrators Posts: 28,144 admin
    My first question is "why"?

    Are you trying to fit as many watts per sq ft/meter as you can? One single panel vs 2 or more smaller panels?

    Mono Crystalline panels are slightly more efficient (more watts per sq meter)...

    -Bill
    Near San Francisco California: 3.5kWatt Grid Tied Solar power system+small backup genset
  • littleharbor2littleharbor2 Solar Expert Posts: 1,098 ✭✭✭✭
    Sunpower 435 watt panels. Here's the data sheet. Bear in mind you must buy them from an authorized Sunpower dealer. Not so sure it you have to buy an entire installed array but that's the only way I've ever heard of purchasing them

    https://us.sunpower.com/sites/sunpower/files/media-library/data-sheets/ds-e20-series-435-solar-panel-datasheet.pdf

    2.1 Kw Suntech 175 mono, Classic 200, Trace SW 4024 ( 15 years old  but brand new out of sealed factory box Jan. 2015), Bogart Tri-metric, 700 ah @24 volt AGM battery bank. Plenty of Baja Sea of Cortez sunshine.

  • jonrjonr Solar Expert Posts: 1,116 ✭✭✭✭
    edited July 19 #4
    LG  NeON R modules are basically the same efficiency (watts/sq meter).  Caution - sizes vary.
  • PhotowhitPhotowhit Solar Expert Posts: 4,765 ✭✭✭✭
    blee0518 said:
    I am hoping someone can help me find panels over 400W. any ideas where i can find a supplier?
    You are new here, I guess we have tiptoed around what your knowledge base is...

    Do you understand that solar panels can be added in series up to 600 and some as high as 1000 volts? Very high wattage can be obtained in this manner.

    Large/high wattage panels become difficult to handle by one person, I just brought home 6 - 315 watt panels, they are roughly 77 inches by 39 inches. I'm a big guy and it was about all I could do to get them on my roof.


    Home system 4000 watt (Evergreen) array standing, with 2 Midnite Classic Lites,  Midnite E-panel, Prosine 1800 and Exeltech 1100, 660 ah 24v ForkLift battery. Off grid for @16 of last 17 years. Assorted other systems, and to many panels in the closet to not do more...lol
  • OldManOldMan Registered Users Posts: 51 ✭✭
    I've found some high-wattage (270-300w) monocrystalline panels on Alibaba. They are not six feet wide. I have one quote of four 280W panels for $611 including shipping to the port of San Francisco. I think I'm going with that, unless a real bargain comes along on Craigslist. Week or two. If I find nothing I like stateside, I'll order the Bluesuns.
  • PhotowhitPhotowhit Solar Expert Posts: 4,765 ✭✭✭✭
    OldMan said:
    I've found some high-wattage (270-300w) monocrystalline panels on Alibaba. They are not six feet wide. I have one quote of four 280W panels for $611 including shipping to the port of San Francisco. I think I'm going with that, unless a real bargain comes along on Craigslist. Week or two. If I find nothing I like stateside, I'll order the Bluesuns.
    Isn't the importer responsible for the tariffs? You will want to be sure who is paying them!

    Also if you want to use them in a grid tied system they will want to be certified by UL or to UL standards.

    So 4x280= 1120 watts for $611 delivered to San Francisco… do you live in San Francisco? That's 54.5 cents a watt.

    Solar Blvd I believe is near San Fran and has some UL cert panels in the same price range;
    https://www.solarblvd.com/product-category/solar-panels-systems/24-volt-solar-panels/


    Home system 4000 watt (Evergreen) array standing, with 2 Midnite Classic Lites,  Midnite E-panel, Prosine 1800 and Exeltech 1100, 660 ah 24v ForkLift battery. Off grid for @16 of last 17 years. Assorted other systems, and to many panels in the closet to not do more...lol
  • littleharbor2littleharbor2 Solar Expert Posts: 1,098 ✭✭✭✭
    Solar Blvd is in Corona Ca. in So. Cal.  Good prices but shipping will get you for 4 panels. very close to a pallet full shipping price.
     
     If you receive your panels in damaged condition, from overseas, things get time consuming and ugly trying to remedy the problem. 

     Buy local pick up your panels in person, knowing you will receive intact, undamaged panels.

    2.1 Kw Suntech 175 mono, Classic 200, Trace SW 4024 ( 15 years old  but brand new out of sealed factory box Jan. 2015), Bogart Tri-metric, 700 ah @24 volt AGM battery bank. Plenty of Baja Sea of Cortez sunshine.

  • OldManOldMan Registered Users Posts: 51 ✭✭
    edited November 25 #9
    Solar Blvd is in Corona Ca. in So. Cal.  Good prices but shipping will get you for 4 panels. very close to a pallet full shipping price.
     
     If you receive your panels in damaged condition, from overseas, things get time consuming and ugly trying to remedy the problem. 

     Buy local pick up your panels in person, knowing you will receive intact, undamaged panels.
    I always check Craigslist, first. But I won't buy from a US dealer. Don't like American salespeople. Obnoxious no matter what they're selling. I do my own legwork, my own due diligence and buy accordingly. There are some panels out in Palmdale in what looks like a corp yard (if you see the pix on Craigslist). Might buy from them...long trip, though. Others will have differing methodologies and priorities. I will use mine.

    I should add, yes, I am in the San Francisco area, but I am not buying for my home (this IS the RV section) I'm buying for my future home, a 32-36-foot Class A motor home. My 1.xxxxKW of power should run everything but the A/C (parking in the shade has its advantages, as does high-altitude living) 

    As much as anything, I want to thwart Trump any way I can (not just tariffs), this is one area I can thwart him. Here are my requirements:
    • 280-300w rated. 24-39v is fine, I use MPPT.
    • MONOCRYSTALLINE only. I have no interest in poly, absolutely none. I'll take perskovite if I can get it. 
    • Five and one half feet long, three feet high.
    • No flexible panels
    • No roof mount. I want them on the ground so I can re-align them. Will have legs.
    I looked at Solar Blvd, but almost all their panels are polycrystalline (please don't argue with me, I want monocrystalline and any advocacy for poly will fall on blind eyes) and I refuse to use something just because it's cheaper. No poly. 'Nuff said. In addition, 10 percent California sales tax kinda kills the pricing, even if I make the drive to SoCal, which also kills the pricing. The Chinese panels (they calculated the tariff on their end) are $611 for four panels. shipped. Don't get me wrong, I'll keep perusing Craigslist but as long as the tariffs are in place, if the time comes to buy and I can't find what I want on Craigslist, I'll buy Chinese, thank you.

  • littleharbor2littleharbor2 Solar Expert Posts: 1,098 ✭✭✭✭
    I pity the poor sales people who get to wait on you.

    2.1 Kw Suntech 175 mono, Classic 200, Trace SW 4024 ( 15 years old  but brand new out of sealed factory box Jan. 2015), Bogart Tri-metric, 700 ah @24 volt AGM battery bank. Plenty of Baja Sea of Cortez sunshine.

  • mike95490mike95490 Solar Expert Posts: 8,011 ✭✭✭✭
    OldMan said:
    •  I'll take perskovite if I can get it. 

    None in legitimate production yet.  All that's known for sure, is the lifetime is low for a small % increase and greatly increased complexity.
    http://digital.laserfocusworld.com/laserfocusworld/201811/MobilePagedReplica.action?pm=2&folio=26#pg28 

    You are setting some pretty high goals, and appearing inflexible, so I hope you do well.


    Powerfab top of pole PV mount | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
    || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
    || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

    solar: http://tinyurl.com/LMR-Solar
    gen: http://tinyurl.com/LMR-Lister ,

  • bill von novakbill von novak Solar Expert Posts: 814 ✭✭✭✭
    OldMan said:


    I should add, yes, I am in the San Francisco area, but I am not buying for my home (this IS the RV section) I'm buying for my future home, a 32-36-foot Class A motor home. My 1.xxxxKW of power should run everything but the A/C (parking in the shade has its advantages, as does high-altitude living) 


    The #1 piece of advice I can give you - WAIT.  Panels get more efficient, and cheaper, with time.  Only recently have true 20% efficiency panels become available.  No reason to buy them until you need them.  You'd be way better off investing that money, then later buying even better solar and keeping the rest of the $$ from the interest/appreciation.

    Once you are ready to buy, consider bifacial.  Ground mount with plenty of room behind the panel is a good use case for bifacial, and can give you a few % increase in efficiency.
  • bill von novakbill von novak Solar Expert Posts: 814 ✭✭✭✭
    OldMan said:

    • MONOCRYSTALLINE only. I have no interest in poly, absolutely none. I'll take perskovite if I can get it. 
    BTW if you are into efficiency, PERC cells will probably be the next "big thing."  So far lab cells are showing 26% and cells manufactured on a line are a bit above 22%.
  • OldManOldMan Registered Users Posts: 51 ✭✭
    I pity the poor sales people who get to wait on you.
    Dear boy, the whole point is to AVOID salespeople. Read for content, my lovely.
  • OldManOldMan Registered Users Posts: 51 ✭✭
    edited November 26 #15
    OldMan said:


    I should add, yes, I am in the San Francisco area, but I am not buying for my home (this IS the RV section) I'm buying for my future home, a 32-36-foot Class A motor home. My 1.xxxxKW of power should run everything but the A/C (parking in the shade has its advantages, as does high-altitude living) 


    The #1 piece of advice I can give you - WAIT.  Panels get more efficient, and cheaper, with time.  Only recently have true 20% efficiency panels become available.  No reason to buy them until you need them.  You'd be way better off investing that money, then later buying even better solar and keeping the rest of the $$ from the interest/appreciation.

    Once you are ready to buy, consider bifacial.  Ground mount with plenty of room behind the panel is a good use case for bifacial, and can give you a few % increase in efficiency.
    Yeah, there are already bifacial panels on Alibaba...I think. I believe PERC is worth the extra $$$.
  • littleharbor2littleharbor2 Solar Expert Posts: 1,098 ✭✭✭✭
    OldMan said:
    I pity the poor sales people who get to wait on you.
    Dear boy, the whole point is to AVOID salespeople. Read for content, my lovely.
    I'm referring to ANY salespeople you encounter, not just solar related. I imagine you're a barrel of laughs in restaurants as well. I've seen your type before. 

    2.1 Kw Suntech 175 mono, Classic 200, Trace SW 4024 ( 15 years old  but brand new out of sealed factory box Jan. 2015), Bogart Tri-metric, 700 ah @24 volt AGM battery bank. Plenty of Baja Sea of Cortez sunshine.

  • mike95490mike95490 Solar Expert Posts: 8,011 ✭✭✭✭
    OldMan said
    Yeah, there are already bifacial panels on Alibaba...I think. I believe PERC is worth the extra $$$.
    PERC is still only a laboratory dream, currently with a short lifetime.  I linked to a trade magazine article about this earlier, but it's your money.    Also beware of Alibaba, other than $2 flashlights, I've not heard any happy stories about it, large sales to consumers always seem to fail, after they cash the check.
    Powerfab top of pole PV mount | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
    || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
    || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

    solar: http://tinyurl.com/LMR-Solar
    gen: http://tinyurl.com/LMR-Lister ,

  • bill von novakbill von novak Solar Expert Posts: 814 ✭✭✭✭
    OldMan said:

    Yeah, there are already bifacial panels on Alibaba...I think. I believe PERC is worth the extra $$$.
    Avoid Alibaba at all costs.  I have had about a 30% success rate with them.  PERC may well be worth the extra $$$ - if you are willing to wait.
  • mcgivormcgivor Solar Expert Posts: 2,401 ✭✭✭✭✭
    Having purchased many products through Alibaba without any issues I'm puzzled by the warnings, using Alibaba's  Trade Assurance, funds are held until goods arrive, they are released upon confirmation of the consignee that goods are undamaged and as described. There  is a 30 day dispute period to resolve any other issues, dealing outside the protection directly with vendors is not advisable. As with any virtual store Amazon, Ebay etcetera,  they rely on positive feedback as an advertising tool, so it in their interest to be upstanding, the length of time in business, provided by Alibaba is an indication of general customer satisfaction. 

    Not to say there have not been cases of dissatisfaction, just not my personal experience.
    1500W, 6× Schutten 250W Poly panels , Schneider MPPT 60 150 CC, Schneider SW 2524 inverter, 400Ah LFP 24V nominal battery bank 
    900W  3 × 300W No name brand Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah FLA 24V nominal as a backup system. 
    5Kw Yanmar clone single cylinder air cooled diesel generator for rare emergencies and welding.
  • OldManOldMan Registered Users Posts: 51 ✭✭
    OldMan said:
    I pity the poor sales people who get to wait on you.
    Dear boy, the whole point is to AVOID salespeople. Read for content, my lovely.
    I'm referring to ANY salespeople you encounter, not just solar related. I imagine you're a barrel of laughs in restaurants as well. I've seen your type before. 
    While I rarely go to restaurants (I do order some in with Doordash), your ad hominem is way out of line, You do not know me. Typical rich guy. Rich people are a scourge.
  • littleharbor2littleharbor2 Solar Expert Posts: 1,098 ✭✭✭✭
    Living on Social Security , last I checked, doesn't qualify as rich. We'll see next month when the cost of living rate increase kicks in. You never know.
     I don't fault people for being rich. I do however dislike greedy people.

    2.1 Kw Suntech 175 mono, Classic 200, Trace SW 4024 ( 15 years old  but brand new out of sealed factory box Jan. 2015), Bogart Tri-metric, 700 ah @24 volt AGM battery bank. Plenty of Baja Sea of Cortez sunshine.

  • Iceni JohnIceni John Solar Expert Posts: 103 ✭✭

    OldMan in San Fran, just one thought:  how are you going to stop someone, as in someone else, simply stealing all your hard-earned panels when you're not watching them like a hawk?   I know the theoretical virtues of parking in the shade while the panels are in the sunlight, but sometimes theory only goes so far, and hard reality steps in to dictate a less-than-ideal solution as being the best practical way.

    40' Crown bus with 2kW of panels on the roof:

    Eight tiltable Sharp 255W, two Morningstar TS-MPPT-60, Magnum MS2000, Champion C46540 generator converted to propane, eight golfcart batteries, and maybe a small Exeltech inverter for the fridger.

    Southern California

  • OldManOldMan Registered Users Posts: 51 ✭✭
    Living on Social Security , last I checked, doesn't qualify as rich. We'll see next month when the cost of living rate increase kicks in. You never know.
     I don't fault people for being rich. I do however dislike greedy people.
    I'm on the Peninsula, living on SS. COLA will help the hell out of me.
  • OldManOldMan Registered Users Posts: 51 ✭✭
    edited December 10 #24

    OldMan in San Fran, just one thought:  how are you going to stop someone, as in someone else, simply stealing all your hard-earned panels when you're not watching them like a hawk?   I know the theoretical virtues of parking in the shade while the panels are in the sunlight, but sometimes theory only goes so far, and hard reality steps in to dictate a less-than-ideal solution as being the best practical way.

    The panels will be padlocked together, and the ground mount panel racks will be chained and locked to the rig. If someone wants to steal them, they're going to have one helluva time trying. Case-hardened locks and chains. We'll be around a LOT, because we're buying a dining tent with a floor in it, as an outdoor play area for the cats. When they're outside, one of us will ALWAYS be nearby.
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