From Electrek: Electrek green energy brief: Australian residential solar+battery 7yr ROI,...

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    Sep 28, 2016
    Electrek green energy brief: Australian residential solar+battery 7yr ROI, German renewables limited, Solarworld batteries?, more


    Australian residential energy storage systems increased from 500 to 6,750 – Key data point: payback in 7 years. Major factor – electricity in Australia is expensive. Retorts – solar + energy storage is going down in price, while prices of energy seemingly forever increase. Long term prognosis – Australia, a country with one of the highest levels of residential solar installation volume in the world, will grow their energy storage market significantly as prices of energy storage fall further. We’ve already crossed the economic point – 7-10 year ROI – where residential customer exhibit strong buying signals. This is already spreading to other high cost areas (Hawaii, Southern California, Germany, Massachusetts, etc).

    Germany limiting renewable development – Main reason: too much intermittent energy, not enough tools to manage its flows and storage. Germany know that it needs to build new transmission lines to move the large amounts of off shore wind to the south – but there are plenty of political arguments against. Energy storage is coming hard – so that will help, but goals of nearly 100% renewable/clean by 2050, lots of work is needed.


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