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Citing a market participant, Jenkins noted on Twitter that roughly 26 gigawatts of thermal energy is offline because natural gas is being diverted to provide heat instead of power. Only about 4 gigawatts of wind is offline because of icing, Jenkins noted.

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Further confirmation of Bernard Chabot’s “Silent Revolution” in large wind turbine design.

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Contrary to the ideas promulgated by some opponents of wind generation, most of the substantial investment in wind farms in South Australia is not being paid for by taxpayers or electricity consumers in South Australia, but was and is being built under the nationwide Large Renewable Energy Target.

Dan Juhl's V44s On The Buffalo Ridge, Woodstock, Minnesota, 1999.

At the heart of the problem has been governments’ trust in market solutions without a sharp eye on the shortfalls in market performance and without adequate leadership on the long term outcome the market should be tasked to achieve.

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It is a meaningless concept at the least and dangerous at its worst. The term “baseload” was coined over a hundred years ago. When the electricity grid was first built, large, inflexible fossil fuel generators dominated and played a critical role in the Industrial Revolution. But much like many other aging technologies and approaches, baseload generation is no longer the best tool for the job.

Solar Pv In Bioenergiedorf Juende, Lower Saxony, Germany.

So, are wind and solar killing coal and nuclear? Yes, but not by themselves and not for the reasons most people think. Are wind and solar killing grid reliability? No, not where the grid’s technology and regulations have been modernized. In those places, overall grid operation has improved, not worsened.

Another interesting concept being considered is to locate one or both reservoirs below ground (sub-surface).

A proposal by Northland Power for a project in Ontario, Canada.

Gemany is turning one of its old coal mines into a giant ‘battery station’ that will store hydroelectric power and provide energy to around 400,000 homes, with hopes of launching similar facilities across the country in the coming years.

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In 1919 the utility installed a wind turbine at Buddinge and connected it to its lines—a first worldwide, a full two decades before the Smith-Putnam machine in Vermont was connected to the grid.