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View Diary: Renewable energy cheaper than fossil fuels in Australia (28 comments)

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  •  It's not baseless (0+ / 0-)

    it's supported by a pretty much every study I've read, such as one from the National Renewal Energies Laboratory:

    http://www.nrel.gov/...

    If you look at page 91, you'll see the required increase in installed capacity, with that extra ~550-600GW coming from an overcapacity of wind and solar, and that's with a healthy dose of storage.

    Even the recent study proclaiming 99.9% renewable achieved it with overcapacity:

    To get to 99.9% renewables, you keep adding wind turbines and solar panels until you are producing three times the electricity that you actually need to meet demand.
    And again, the exact overcapacity number depends a lot on assumptions about storage and interconnection capacity.

    There was another report from NREL that had a nifty little graph showing the increased marginal costs of wind vs. the percentage of penetration, but I can't seem to track down the publication.

    If you're still not convinced that there is some 'basis' to this claim, I suppose I could keep looking.

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