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View Diary: ECSTASY series: Measure the Power! (79 comments)

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  •  It's effectively two markets rather than one (4+ / 0-)
    Recommended by:
    RunawayRose, G2geek, WarrenS, RosyFinch

    with the two main islands connected by a HVDC link. The South Island (where I live) is around 98% hydro, 2% wind and is a large net exporter to the North Island but transmission does flow the other way in unusually dry winters, windy nights, etc. The North Island has all the fossil fuel stations and also some hydro, geothermal and wind.

    You can see a snapshot of power generation at any time here:
    http://www.em6live.co.nz/ and click on any of the four main regions to see generation by island and source e.g. right it looks like this:

    •  holy cow, we need that here! (4+ / 0-)

      We need something whereby you can put in a zip code and see what the empirical local power mix is, moment-to-moment or updated regularly multiple times a day.  

      Any chance of exporting that to the US?

      •  But wait there's more (3+ / 0-)
        Recommended by:
        RunawayRose, mataliandy, G2geek

        I agree it would be great if (by their own initiative, or by govt mandating more transparency in information) regular people not in electricity industry (like me) can get such information online. What's available now probably varies a lot by region - e.g. pjm.com has some interesting live data.

        Actually in NZ there's another site that complements the one I mentioned: at www.electricityinfo.co.nz (the web site of COMIT) has year-by-year comparisons of usage in the "Demand" link, and graphs of inflows & hydro lake storage in the "Hydrology" link. The demand graph makes it appear kiwis are being extravagant with electricity in 2010 compared to 2009, but it's mostly an effect of the largest single user that consumes more than 10% of total national generation (the aluminium smelter) having a reduced capacity for much of 2009.

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