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Batteries solar.install

Published on December 1st, 2014 | by Zachary Shahan

8

One-Hour Solar Panel Installation, Fastest-Growing Solar State, + Other Solar News

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December 1st, 2014 by Zachary Shahan 

Alongside our EV news roundup, here’s one for solar energy. But make sure you read all of our solar energy stories first. ;)

US Stuff

One-Hour Solar Panel Installation

Part of One-Hour Solar Panel Installation.

One-Hour Solar Panel Installation (Seriously, One Hour!)

The Fastest Growing Solar State In US Is Georgia

$250 Million Dollar Funding Round For Solar Power Company Sunnova

SolarCity, Walmart, Tesla Team Up To Boost Solar Energy, Battery Storage

Updated Sourcebook for Solar Living Enthusiasts

A Suppressed Study of Ohio New Energy Jobs

Former DOE Official: Critics of the Clean Energy Loan Program Were Proved Wrong

Swanson’s Law and Making US Solar Scale Like Germany

Germany Stuff

German Renewable Electricity Generation Forecast for 2015–2019

Two Political Lessons from Germany’s Energiewende

How Germany Drives Away Industry (Not)

Other Countries & Global Stuff

Wanted: 50,000 People To Fund First Solar Thermal Plant Owned By Citizens

How China Is Expanding Its Influence In Global Solar Market

World Bank to Ditch Coal for Clean Energy

Clues Show How Green Electricity May Be in 2050

A Big Change in How the IEA Views Renewables

6 Charts That Show Renewables and Efficiency Are Top Priorities for Data Centers

 

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About the Author

spends most of his time here on CleanTechnica as the director/chief editor. Otherwise, he's probably enthusiastically fulfilling his duties as the director/editor of Solar Love, EV Obsession, Planetsave, or Bikocity. Zach is recognized globally as a solar energy, electric car, and wind energy expert. If you would like him to speak at a related conference or event, connect with him via social media. You can connect with Zach on any popular social networking site you like. Links to all of his main social media profiles are on ZacharyShahan.com.


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  • Ronald Brakels

    A one hour intallation is impressive, but a fairly typical installation in Australia can take two people two hours. And that’s without gluing on panels or using micro inverters. Installers normally screw on our solar systems. Or to be more precise they screw on the metal racks that support them. And this is for a sheet metal roof, which are common here, which tends to make things fairly straight forward. Also, the installers need a lot of experience. One doesn’t get that fast without practice.

    • Bob_Wallace

      Are you folks using clips to hold to the metal roofs or piercing and screwing to the rafters?

      • Ronald Brakels

        We remove the screws that are holding the sheet metal to the wooden beams, place the metal racks over it and then screw the racks and the roof into place with new roofing screws in the old holes that are one size larger than the ones that were removed to ensure they hold tight. There may be a method that uses clips to hold the racks to metal roofs, but I’m not aware of it. (I don’t even know how that would work.)

        • Bob_Wallace

          The clips work on ‘standing ridge’ roofs. The type of metal roof where the screws don’t show. One side is screwed down and the next panel locks down over the screwed edge.

          The clips are tightened down over the thin ridges.

          http://www.s-5.com/solar/index_2449.cfm

          I’m hoping to find someone with experience with them before I launch forward with my planned installation next year.

          • Ronald Brakels

            We actually have a lot of roofs like that. It’s a clip-lock roof here (or maybe they call it something else in different parts of Australia). I don’t know what is done to attach solar racking to them, but whatever method is used the required standard would be very secure on account of our storms.

          • Bob_Wallace

            I live on a ridge top and it can blow like stink here. When standing the rafters we got about half done by the end of the first day, set the standard number of braces, and went home.

            The next day there was not a rafter left standing. I hauled some back out of the lower garden a quarter mile away.

            After the building wrap (Tyvek) blew off a couple of times I fastened it down with wooden strips until I could get to the siding.

            The clips don’t seem expensive. I’m thinking of using three or four sets per panel rather than only two. They don’t use racking, the clips secure the panels directly to the roof (standing proud a little bit).

          • Ronald Brakels

            Went looking for some specifics on Australian solar mounting standards. Here’s a PDF for one particular type of concealed roof mounting product. It’s probably not relevant to you needs but you might find it interesting:

            http://www.clenergy.com.au/getmedia/6e45b831-af50-425f-b444-860bbd8d81d0/Installation-Guide_PV-ezRack_SolarRoof_Klip-Lok_AU_V2-1.pdf.aspx

            Adelaide is windy but it doesn’t get cyclones (yet) so it is only a type A wind category. Our whimpiest category. You might be in a type B or worse situation.

          • Bob_Wallace

            Thanks. That’s a similar approach to the ones I linked.

            I don’t see our version of a standing ridge roof on that page.

            Ours have no exposed screws. One puts the screwed down flange facing prevailing winds.

            I’ve got one section of the roof in the back that is a low slope and faces the worst of the wind. I put a single screw in the middle of each panel right at the bottom to avoid and wind lift. Since it was i the back it can only be seen from the air.

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