California
Achieving “zero carbon emissions” (see footnote) without compromising safety and reliability, while keeping costs affordable, is not a trivial task. Countries that have succeeded or have come close are countries with a dominant portion of hydro power, for example Norway, Island, Costa Rica, Brazil, Canada. Also, countries like France and Sweden, with a mix of nuclear and hydro have achieved over ninety percent of zero emissions.
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Germany is the 4th largest economy in the world. Consequently, when Germany launched its Energiewende to transform its electric industry from fossil fuels to 80 % renewable by 2050, it got worldwide attention. If such a large economy could make this transformation and stay competitive as a nation, other large economies should also be able to follow.
Germany started out with trademark German determination. To make transformation even more aggressive, after the Fukushima nuclear incident, they decided in 2011 to exit all nuclear by 2022. Progress has been impressive. By 2015 renewable energy represented 31 % of all electric energy consumption.
If California was a nation, it would be the world’s 6th largest economy. In an executive order, B-30-15, the statewide goal was set to reduce greenhouse gas emissions 40 % below 1990 levels by 2030. As part of this goal California has set the ambitious goal to transform their electric consumption to reach 50% of renewables by 2030. At the end of 2015 renewable energy has reached 26 %. However, contrary to Germany this target does not include large hydro! Trying to compare apples and apples with Germany by including large hydro, California was well over 30 % of all electric consumption from renewables.
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