From Electrek: Electrek green energy brief: Walmart doing microgrids, Trina launches...

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    Sep 28, 2016
    Electrek green energy brief: Walmart doing microgrids, Trina launches bifacial PERC solar panel, more


    Wal-Mart, Advanced Microgrid Solutions to Turn Big-Box Stores Into Hybrid Electric Buildingsthe-meter batteries at stores to balance on-site energy and provide megawatts of flexibility to utilities, starting with 40 megawatt-hours of projects at 27 Southern California locations – I specialize in installing solar power on top of structures like these (this is us), and the groups that occupy these buildings all listen real hard when I show them spreadsheets that sometimes eliminate their electricity operating expenses. Soon enough, with microgrid growth and recognition from utilities of services – I’ll be turning roofs and storage closets into revenue generators. Everyone listens then.

    Trina launches bi-facial PERC solar module – First, the PERC cells mean a higher system efficiency. Secondly, bi-facial means you collect energy from the backside. Cool on both. The question I have is what’s the cost difference between single face and bi-face if the production increase is 10-25%. The images I’ve seen of bifacial show a lot of material to create the second layer – I guess the low pricing of solar panels makes it ok. Anyone have price estimates?


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