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Posts Tagged ‘economics

the renewable energy juggernaut

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There is more global investment in solar power today than there is in fossil fuels. We’re talking about hard-headed investment for profit by business and governments worldwide, not greenies or special interest groups. And another interesting factoid: China today is generating more energy from wind power than the whole of Australia’s energy production. Not to mention the Chinese government’s massive investment in other renewables. That’s info I got from a recent ABC Science Show podcast. Renewable energy really is making inroads, and this is most encouraging for those around the world fighting the damaging environmental effects of mining and fracking in their regions, though it’s clear that such operations are dying hard.

I remember some time ago at a meeting of skeptics (not climate change ‘skeptics’, just regular sciencey anti-quackery, anti-UFO-type skeptics), when I was spruiking the virtues of wind power, so successfully taken up here in South Australia, being told dismissively that it was too expensive to be really viable. However, wind-power only really has establishment costs. Ongoing costs are quite minimal. Furthermore, a research group conducted by the Carnegie Institution for Science’s Global Ecology Department has recently conducted the most wide-ranging expert survey on wind (or any other) energy. Sure, it was a survey of those already heavily invested in wind, but that does make them the experts in the field. Predictions about the cost of wind energy into the future were based on two approachess. First, a projection into the future of falling costs over the past three decades or so – what they call the ‘learning curve’. One would assume those projections would vary from ‘most optimistic’ to ‘most pessimistic’, with consensus somewhere in between. The second approach involved a ‘bottom-up engineering assessment’, looking at the costs of individual turbine components into the future. Science Daily has summarised the findings:

On average, the participants expected wind power costs to continue falling for the next several decades, for three major classes of wind turbines, both onshore and offshore, with prices falling by 24-30% by 2030, and 35-41% by 2050.

Meanwhile governments worldwide are getting on board in a determined effort to drive down the cost of solar. Vox Energy & Environment reports on the US target:

…the US Department of Energy has a program, the SunShot Initiative, devoted entirely to driving down the cost of electricity generated by solar panels — the target is solar power with $1 per watt installed costs by 2020, a 75 percent reduction in costs from 2010.

It’s hard to get the head around the growth of solar energy worldwide since about 2007. It’s been a whirlwind ride, but starting from an extremely low level. And in the US since 2012, large or utility-scale solar has been growing faster than domestic, rooftop solar, and with falling prices and increasing module efficiency, the growth trend in big and small solar should continue well into the future. Yes, there’s government stimulus, but solar is being seen more and more as a sound investment on its own terms. Solar’s steady growth also makes for sound investment against the high volatility of the natural gas market. And this of course is just as relevant for many regions outside the US.

I’ll be taking another look at Australia’s situation, while many of our governments bicker and focus elsewhere, in an upcoming post.


Written by stewart henderson

September 16, 2016 at 8:57 am

More impressions of Budapest, mainly

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Matthius church, Buda. Supposedly first associated with 'Saint Stephen', Hungary's first Christian king, in the early 11th century, it was largely built in the late 14th century and much-restored in the 19th. Its style is over-the-top late gothic

Matthius church, Buda. Supposedly first associated with ‘Saint Stephen’, Hungary’s first Christian king, in the early 11th century, it was largely built in the late 14th century and much-restored in the 19th. Its style is over-the-top late gothic – sort of steampunk sans irony

Once we’d checked in, we didn’t much want to leave the air-conditioned comfort for the cold and damp, so we settled in at the hotel bar for a bit. I’d decided to over-dress to cheer myself up – fancy tie and colourful waistcoat, etc – so this elicited discomforting looks from the definitely not over-dressed bar people, and even smirks and laughter from passers-by when we decided to brave the weather and try out an ATM down the road. When a particularly attractive damosel made some obviously mocking remark about me to her beau I was stung into trying out a charming French greeting, but she ignored me. Our ATM venture was also unsuccesful, it would only spit out Magyar currency, aka forints. Still I was beginning to warm to the city, as I noticed a lot of attractive, interesting-looking young people on the streets, all dressed mostly in black. This was probably because, as I discovered next day, the city’s principal university was very close by.

The next day was slightly warmer and drier, and we went for a walk to the nearby museum, an absolutely massive building which was closed, and only open a few days a week – a bad sign I thought. The university precinct, though, gave me the sense of lively Enlightenment that all such areas do. We took some lunch in a pub across from the hotel, after which I took a stroll down to the nearby Danube, where I discovered a lively cafe hub, just one street back from the river, jammed between the usual tall, tightly-packed examples of Euro-impressive architecture. By which time I’d decided I really liked Budapest, but I’m probably more easily pleased than most.

There were a few touristy/traveller problems though. The flight had affected my normally regular sleep pattern, and two weeks into the holiday I still haven’t regained any sleep normalcy (I’m writing this at 3am in Amsterdam), and my cash-flow concerns weren’t alleviated by another ATM failure. This time I’d pre-located nearby a so-called ‘Euro-ATM’ via GPS on my phone but when I got there I couldn’t make any sense whatsoever of its instructions, and I ended up withdrawing a massive number of forints – something like 400,000 of the buggers – thinking I’d receive euros. This is no doubt the closest I’ve come to being a demi-millionaire in my life, but I felt more like a bloody idiot, with a pocket stuffed with a wad of currency that would be practically useless to me within 24 hours. My stress about this caused my first contretemps with my TC, who decided to shop for something warm to wear, in consideration of the somewhat unexpected chilliness, and so left me waiting longtemps outside stanping my feet and sensing the beginnings of a cough and a ‘bubbly dose’, when all I wanted to do was get to a bank that would turn my unearned forints into a maximum of euros. So after an all-too-familiar nasty spit-spat I stamped off to a bank. I’d been warned off having dealings with money exchangers, whose shingles were all over the place, because they apparently charge extortionate commissions, but in the bank I was advised by a friendly young teller in perfect English to use a money-changer down the road who charged no commission and whose rates were much better than the bank’s. This sounded all very helpful and civilised and I followed the young man’s directions precisely and with alacrity until I came to a kind of hole-in-the-wall booth advertising no commission and told my tale to a solemn-looking university type who very carefully counted out my great bundle of forints, typed a formula into a calculator and asked me silently to approve the result, some 800-odd euros, which I could only pretend to know was correct. But I really did feel enormous gratitude that these people seemed to be on my side, if that’s not too self-indulgent a term. Shortly after leaving the hole-in-the-wall with great relief, I stopped as my heart skipped a beat – should I have ‘tipped’ the fellow for his good sevices? I must say I can’t stand the stress and strain that tipping and haggling and such things causes. I’m no good at either, and I’m sure it’s not just a matter of inexperience. It’s just not a fair system – I would rather that people charged plainly and were paid appropriately, so I don’t have to fret about it…

Anyhow, I was happily cashed-up and ready to start the cruise….

Written by stewart henderson

May 12, 2016 at 11:55 am

Pourquoi science? – inter alia

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So as I approach my sixtieth year I’m in a mood to reflect on my largely wasted, dilettantish life (at least seen from a certain perspective… ).

It seems to me that my two older siblings and I were largely the products of benign neglect, if that’s not too unfair to my parents, who seemed largely pre-occupied with their – highly dysfunctional – relationship with each other. Anyway this neglect had its advantages and disadvantages, and it was offset by at least one key decision of my mother (by far the dominant parent). She had us taken to the local library once a fortnight to borrow books, and there were always books aplenty in the house, including at least two sets of encyclopaedias. So from the age of six or seven until I left home, the local libraries became a haven.

From almost the beginning though I felt a difference between learning, which was a thrill, and school, which I suffered in silence. My first strong memory of school comes from grade one, when I was five or six. My teacher asked me to read from our class reader and I had to tell her that I’d forgotten to bring it from home. She blew up at me. ‘You’ve forgotten it again! What’s the matter with you? How many times have I told you,’ etc etc. I was extremely humiliated. I was learning that I was vague, forgetful, disorganised, and it was all too true. Shortly after this, I arrived at school and discovered I’d forgotten my reader again. I was so scared I hid in the bushes until break time, when I rejoined the class unnoticed, apparently (though probably not). I remember the sense of being defiant and tricksterish.

It’s funny that I’m now a teacher who checks students’ homework and has to admonish those who don’t do it, because as a kid in primary school and later in high school, when the issue loomed much larger, I never did any homework. Not once, ever. I even got caned for it in high school. And suffered endless screaming fits from my mother when the matter was reported back to her. I remember many sleepless nights fretting about how to survive the next day’s questioning, but still I was unable or unwilling to comply. I spent a lot of my school days staring out the window, daydreaming of freedom. One day I watched a tiny bird – a hummingbird, I thought, but we have no hummingbirds in Australia – hovering a bit driftily above some bushes, for ages and ages. What an ability, what a perspective it had! And yet it felt constrained to hover there. Maybe only humans could free themselves from these ‘natural’ constraints.



I concocted an idea for a novel, which I confided to my sister, of schoolkids rising up and throwing out the teachers, establishing an ‘independent state’ school – an idea I probably took from Animal Farm. She was very enthusiastic, probing me on the details, assuring me it would be a best-seller, I would become famous. I became briefly obsessed with contemplating and planning the takeover – the secret meetings, the charismatic leader, the precisely organised tactics, the shock and dismay of our former masters, the nationwide reaction –  but of course I soon stumbled over the outcome. Surely not Animal Farm again?

I learned over time that Elizabeth, our town, was the most working-class electorate in South Australia, with the largest percentage of labor voters in the state, and possibly even the country. Of course, one had to take pride in being the biggest or the most of anything, but what did it mean to be working-class? Was it a good or a bad thing? Was our family more or less working-class than our neighbours? I was discovering that interesting questions led to more questions, rather than to answers. That, as Milan Kundera wrote, the best questions didn’t have answers, or at least not final ones. Of course, the provisional answer seemed to be that it wasn’t good to be working class, or middle class, or upper class, but to move beyond such limitations. But I was learning, through my library reading, which increasingly consisted of Victorian English literature for some reason, that class wasn’t so easy to transcend.

I continued to struggle as my schooling moved towards the pointy end. Classmates were dropping out, working in factories, getting their first cars. I was wagging school a lot, avoiding the house, sleeping rough, drinking. My older brother started an economics degree at university, probably the first person in the history of my parents’ families to do so as the prospect of university education was opened up to the great unwashed, but I was unlikely to be the second. I recall wagging it one afternoon, walking to the end of my street, where the city of Elizabeth came to an abrupt end, and wandering through the fields and among the glasshouses of the Italian marketers, armed with my brother’s hefty economics textbook, and getting quite excited over the mysteries of supply and demand.

And so it went – I left school, worked in a factory here, a factory there, went on the dole, worked in an office for a while, got laid off, another factory, moved to the city, shared houses with art students, philosophy students, mathematics nerds (whom I loved), wrote volumes of journals, tried to write stories, ritually burned my writings, read philosophy, had regular bull sessions about all the really interesting things that young people obsess about and so on and on. And I haven’t even mentioned sex.

I’d always been hopelessly shy with the opposite sex and wrote myself off as eternally poor and inadequate, but I loved girls and fantasised endlessly. I felt guilty about it, not because I thought it immoral – I never had any moral qualms about sex, which made it all the more easy to dismiss religions, which all seemed to be obsessed with regulating or suppressing it. I felt guilty because sexual daydreaming always seemed the lazy option. I was like Proust’s Swann, I would tire easily from thinking too much, especially as those great questions never had any easy or final answers. So  I would give up and indulge my fantasies, and even the occasional unrequited or unrealistic passion for real female acquaintance. I remember hearing of a celebrated mathematician who would wander homeless around the USA I think it was, couchsurfing at the homes of mathematical colleagues male and female, inspiring them to collaborate with him on mathematical papers, so that he held a record for the most papers published in peer-reviewed journals. An attractive female colleague laughed at the idea of an affair with him, because apparently everyone knew he was entirely asexual, had never been heard to even mention sex in his life… Could this be true, I wondered, and if so, how could I create for myself a brain like his? It seemed to me that Aristotle was right, the pleasure derived from certain types of contemplation was greater than sexual pleasure (though dog knows I’d hate to forgo sex). I’d experienced this myself, grappling with something in Wittgenstein, reading a passage over and over until an insight hit me and set me pacing around my bedroom all night long talking to myself. But maybe it was all bullshit.

So now to get to the heart of the matter – pourquoi science? As a youngster I read novels, and sometime works of history – one of my first big adult books was a very good biography of Richard III, which I read at 14, and which came flooding back when Richard’s body was miraculously discovered recently. But I never read science. At school I quickly lost track of physics and mathematics, while always being vaguely aware of how fundamental they were. Through philosophy in my early twenties I started to regain an interest, but generally I’d resigned myself to being on the arts side of the great divide.

One book, or one passage in a book, changed this. The book was Der Zauberberg, or The Magic Mountain, by Thomas Mann, which I read in 1981. This was the story of Hans Castorp, a young man in his mid-twenties, as I was when I read it. As a tubercular patient, he was sent to a sanitarium in the Alps for a period of enforced idleness, where he encountered a number of more or less interesting characters and was encouraged to grapple with some more or less interesting ideas. Wrapped up on his loggia, he was reading some books on fundamental science, and fell into contemplation, and in a passage of some fifteen pages he asked himself two fundamental questions, both of which branched off into a whole series of sub-questions (or so I remember it). They were: What is life? and What is matter? And there was something about the way Mann animated this Castorp character, as ordinary a fellow as myself, and made me identify with his questioning and his profound wonder. It just flipped a switch in me. These were the questions. They could easily fill several lifetimes. No reason ever to be bored again.


I immediately went out and bought my first ever science magazine, Scientific American, and throughout the eighties I bought each monthly issue and read it cover to cover, not always understanding it all of course, but gradually building up a general knowledge. Later I switched to New Scientist, and nowadays I read the fine Australian magazine Cosmos, as well as listening to science podcasts and reading the odd blog. I’m far from being a scientist, and I’ll never have more than a passing knowledge – but then, that’s all that even the most brilliant scientist can hope for, as Einstein well knew.

But here’s the thing – and I’ll expand on this in my next post. It’s not science that’s interesting – science is just a collection of tools. What’s interesting is the world. Or the universe, or everything. It’s the curiosity, and the questions, and the astonishing answers that raise so many more questions. For example – what is matter? Our investigations into this question have revealed that we know bugger all abut the stuff. And when we were young, as a species, we thought we knew it all!

Next time, I’ll focus more deeply on science itself, its meaning and its detractors.



Written by stewart henderson

March 12, 2016 at 8:30 am