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The cracks in renewable energy policies can be papered over for a while, but when power shortages get acute they’re too big to miss. Meanwhile there’s the escalating cost of trying to deal with the built-in problems due to intermittency.

You know RE scammers are on the ropes, when they start talking about non-existent grid-scale batteries, pumped hydro and, the latest lunacy, converting chaotically intermittent wind and solar into hydrogen gas.

In the beginning, when the quizzical pressed them about the inherent unreliability of wind and solar, it was brushed off with glib statements such as “the wind is always blowing somewhere” and faint suggestions that if the sun’s down, the wind will be blowing to make up for it.

As soon as the percentage of wind and solar capacity on the grid gets beyond double digits, their sporadic and haphazard delivery becomes evident for all and sundry. South Australians and Californians are now well-familiar with power rationing, when the sun sets and/or calm weather sets in.

As with every marketing pitch, papering over the cracks as they emerge, is all. And nowhere is that phenomena more acute than in…