Pumped hydro more expensive than batteries: the calculations

trustyetverify's avatarTrust, yet verify

Now let’s take a look into the calculations that Ronald Brakels made to prove that hydro power (Snowy Hydro 2.0) is more expensive than battery storage (Hornsdale Power Reserve). His arguments were spread over many paragraphs and at first glance it was not very clear what he was calculating exactly and why. Therefor, I thought it might be a good idea to redo his calculations. This reconstruction will be the subject of this post and I will clearly write out all his calculations in order to better understand his arguments.

The calculation can be divided into three parts.

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Scott Freeman on whether money matters

Why Do We Have Fewer Outbreaks? Epidemiological Transition: Crash Course Outbreak Science #3

Americans Are Getting Richer, but the Relevant Question is “How Quickly?”

Dan Mitchell's avatarInternational Liberty

Our friends on the left believe (or at least claim to believe) that the United States is an unfair nation because the rich get richer and the poor get poorer.

More specifically, they assert that the economy is a fixed pie and that when people like Bill Gates and Jeff Bezos become rich, then there is less prosperity for everyone else.

This is grotesquely inaccurate, as I explained earlier this year.

We have a great opportunity to revisit this issue because the Census Bureau just released its annual report on Income and Poverty in the United States. I went to Table A2 and created this chart to show how inflation-adjusted income has increased over time for the average household.

In other words, families are earning more, no matter how we measure the average (“median” is the household in the middle and “mean” is the average of all…

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Illusions of History

Michael Reddell's avatarcroaking cassandra

That is the title of a new New Zealand Initiative report out yesterday, with the subtitle “How misunderstanding the past jeopardises our future”.

I’m no fan of this government, including its economic policies, and often lament how little New Zealand economic history is taught (none at all for example in our capital city university), so I should have been favourably predisposed towards such a report, which appears to have been prompted (specifically) by a couple of recent quotes from the Minister of Finance. This is how the report starts

And here is how it ends

You’ll get the drift.

I’m very sympathetic to the story that both Robertson and his boss are keen on a “bigger and more intrusive and directive government”, and it is clear that they have no serious ideas about (and demonstrate little interest in) reversing the decades of relative productivity decline. Most likely, their approach will…

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