• EEVblog #484 – Home Solar Power System Installation

    Installing and initial testing of Dave’s 3kW home solar power system. With Sunnyboy SMA inverter, 250W LG Mono-X solar panels, and net metering.

    Forum HERE

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      • Mark Beeunas

        Hi Dave,
        Found your blog the begin of the year; just great! I think I’ve gone through about 150 of your archive, learned a bunch and had some laughs.

        With regard to #484 I think I got a glimpse of a potential new blog.

        DBVblog: “Dave’s Botanical Video blog”. And, to quote you: “Ahh. . . man, I don’t know, maybe,”.

      • http://monda.hu László Monda

        I’d be very interested in a return-of-investment calculation later when you’ll be able to see the numbers.

        I think it’d worth a post of its own.

        • http://www.eevblog.com EEVblog

          Yep, will have to follow though on that once I set up consumption meter logging.

      • Al

        Lovely house Dave !

      • f4eru

        I was about to say “what ? panels to north ?” but of course, in australia, it’s inverted :)))

        • http://www.eevblog.com EEVblog

          You guys have it back to front!

      • Graham

        Come to Tassie. 26 cents per KWH feed in (same as cost to buy), may change when our supplier (Aurora) goes private next year but a lot of resistance to change. We are still nearly totally solar (water power and wind ) and can export power to the mainland grid . Only one small gas fired power station used if and when water storages become too low but are currently at about 50% of full capacity.

      • http://hackedgadgets.com Alan Parekh

        Interesting video. The installers seemed quite friendly, I would have expected a bit more of a get out of my way so I can get done attitude.

        I would also like to see a future post that shows the cost and payback of the system over time. Nice to see these systems able to grid tie so that batteries are no longer needed.

        I am surprised at how different your electrical panel look compaired to north american ones.

      • shin

        How do I download your episodes in different quality like 1080p, 720p or 480p?

        • http://www.eevblog.com EEVblog

          You can’t. 480P only is available for download.

          • glatocha

            Don’t know other browser, but for Firefox there is “Flash Video Downloader” plug-in, that allow you to get from Youtube all the versions (you pick one from the list).
            Max for this video is Full HD 1,1GB

      • shin

        What if there’s a typhoon? Will it not get blown away by strong wind or tornadoes? 😀

      • Luciano

        What happen if there are already other solar systems with inverter connected to the same distribution transformer? In case of overproduction of electricity, will the produced energy go from the secondary winding back to the primary winding of the local distribution transformer? (Needed voltage, power lost, ecc.).

      • Paul

        We don’t have typhoons in Sydney. We did have a major hailstorm about 10 years ago which caused enormous damage. Hundreds of houses got new roofs and ceilings out of that one. I guess insurance will take care of those problems anyway.

        Dave, interesting that your solar system produces the exact amount of power we use in our home. I have progressively got it down to an average of 9kwh/day. Fortunately we have gas for hot water, heating and cooking.

      • Bogdan

        Interesting indeed. What about a Pareto based approach ( http://www.mdpi.com/1996-1073/6/3/1439/pdf )?

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