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Author Topic: Photvoltaics (PV)  (Read 9001 times)

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AGelbert

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Re: Photvoltaics (PV)
« Reply #285 on: June 16, 2018, 04:29:38 pm »
I am thinking about trying to accumulate some more PV panels. I have a better opportunity than I've ever had before. Mission Solar is still a going concern in San Antonio (I think they are, anyway), and they are selling cosmetic blems for less than .40/watt, and they have them for sale locally here in Austin. Panels up to 360W apiece.

Whomever the seller is, they have varying quantities. Looks like not too much available in this last ad. I get the impression from their ads over the last several months that it was the factory selling unsold inventory, and not some reseller. Don't know though.

Usually, when I find a great deal on panels, they're in CA. Shipping is costly and the freight drivers are careless with the goods. I know from prior experience.



Actually, it's the fork truck drivers on the freight docks, and not the real freight drivers who cause the damage, as far I as could see. I hereby correct my error. You truck drivers take note.


Well, be sure and let us know how much juice you are harvesting when you get your system fine tuned. I went to this web site that figures out how many panels you need on the roof from your location plus how much battery power you need to store the juice to run your home for an 8 hour grid blackout at night. You can vary some of the inputs to get a tailored result.

From my inputs, they claim I would need 67 X 360W PANELS :o plus a 13.5KW battery. Besides the fact that I could only get about a third of that many panels on the south side of my roof, it's just too much money.  :(

I get a lot of shade here (you select the amount of shade you have in the calculator). Those tall trees (as long as they don't fall on the home in a wind storm, like happened to my next door neighbor last fall :P) have a lot of other benefits so I will actively resist requesting they be topped just to get some extra solar energy.

Here's the calculator if you want to check it out:


SunPower Adds New Solar + Storage Offering To Give Consumers Reliable Power Every Day Of The Year🌞

The calculator takes into account normal factors like average electric bill and any roof shading, but also includes forward-looking factors like electric vehicles. They are a natural add as solar and electric cars go together like, well, solar and storage, while also driving electricity usage up significantly.

The system then allows the user to scale how much of their own power the solar system should generate and paints a picture of storage requirements, estimated savings and the like. It’s not magic but it does move the ball forward with regards to easing customers into the solar system acquisition sales funnel.

“As a leader in residential solar, SunPower is committed to simplifying solar for customers, whether it’s with innovative systems like SunPower Equinox, or new digital tools like the solar-and-storage calculator which, in an industry-first, allows customers to see how future or current electric vehicle charging will affect system size and savings,” Taffe continued.

Pairing sonnen and Tesla energy storage products with SunPower’s famed high efficiency panels allows customers to build the system that best suits their needs with the confidence that it

Hope deferred maketh the heart sick: but when the desire cometh, it is a tree of life. Pr. 13:12

 

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