A Fully Renewable Energy Grid Is Too Costly For Now

Renewables in Asia: Opportunities and Challenges
Renewable energy no threat to electric grid, as Trump aides claim
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21 June, 2017

Households selected for the trail will have "Solar Smart Monitors" installed at their homes - a solar metering device made by Sydney-based energy data company WattWatchers - to measure how much solar their PV systems generate; how much electricity they use; and how much of this demand is met by solar self generation, at any given time of the day.

"Beyond the term of a president, Donald Trump can't change the structure of the global energy sector single-handedly", said Henbest.

"Policy makers should treat with caution any visions of a rapid, reliable, and low-priced transition to entire energy systems that relies nearly exclusively on wind, solar, and hydroelectric power", Victor and others wrote. The things you're reading about in this article are at least partially related to this - Moody's: Falling wind energy costs threaten Midwestern coal plants. Under the Clean Power Plan, it was estimated that renewables would surpass energy production from coal by 2040. The research group estimated solar already rivals the cost of new coal power plants in Germany and the US and by 2021 will do so in quick-growing markets such as China and India.

Could this study provide additional motivation for those driving the shift to renewable energy? The article in PNAS notes that Jacobson excludes nuclear, biomass and other technologies, however the limited ability of nuclear power plants to ramp makes existing nuclear technologies fundamentally incompatible with high wind and solar scenarios. "Their study does not provide credible evidence for rejecting the conclusions of previous analyses that point to the benefits of considering a broad portfolio of energy system options", stated the paper.

In 2016, newly installed renewable capacity accounted for 61.5% of the country's total new energy installations, meaning clean energy outpaced all fossil fuels and nuclear combined! By 2015, that number had climbed to more than 14%.

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This country got a lot of attention past year when it was reported that almost 100% of the country's energy demand was covered by renewables for part of a day.

The acting president who disclosed this at the Nigeria renewable energy roundtable organised by the ministry of science and technology in partnership with the Nigerian Economic Summit Group (NESG) and Heinrich Boll Stiftung, Nigeria, said the programme would create "a few more million jobs".

The numbers bounce up and down throughout the year, with the percentage of non-hydroelectric renewables in 2016 ending up at 7%.

Solar is already level or below coal costs in Germany, Australia, the US, Spain and Italy.

As part of its Greenest City Action Plan, Vancouver has a goal of eliminating its dependency on fossil fuels. This means that off-take agreements are not always in place, and equipment supply, construction agreement and financing are expected to be arranged at a later stage.


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