Green Junk – In praise of waste

This makes sense… or does it?

This post has two purposes.

First, for those who don’t follow my Twitter feed (hey, why don’t you?), I’d like to highlight some terrific work from Geoff Russell and Ben Heard that has hit the ‘net over the past few weeks. These are all ‘must reads’ – with the first of them going viral in the retweet world!

1. A devastating critique of Jim Green’s anti-science nonsense — who recently shot a ‘junk science’ attack against respected climatologist James Hansen:

Green Nuclear Junk: In their determination to attack nuclear power and those who support it, anti-nuclear activism has walked away from the scientific process. As a result, nearly the entire community of environmental organisations in Australia is currently standing behind figures that are completely mathematically incorrect. Will they correct these blatant errors and open their publications to expert external review? Or is correct maths and good science optional when you wear the colour green?

2. One million solar roofs no reason for celebration: 1M solar rooftop doesn’t even scratch the surface of the emissions generated by a few Queensland cowboys in a single year, let alone take a serious bite out of fossil fuels.

3. Solar miracles and the nuclear reaction: Given the speed of a nuclear rollout compared to that of renewables, it needs to be considered as part of a shift to cleaner energy sources.

Second, I’d like to present a little philosophical message from Geoff Russell on waste. This recapitulates some arguments made forcefully by Tom Blees in Prescription for the Planet.

In praise of waste

 The title of this piece will hopefully arouse curiosity, but I have to confess it’s not quite what I believe. My parents lived through the depression so I was bought up to be frugal. We weren’t poor by any means, but my mother didn’t go to a restaurant until she was in her mid forties. For my parents, particularly during my younger years, waste was anathema, a serious moral issue. Attempting to leave any part of a meal uneaten would be responded to with industrial grade suggestions to think about poor people going to bed hungry who’d be glad of the food we children were attempting to throw out. Those attitudes struck root and are so clearly sensible on many levels that it was a personal shock to suddenly realise that when they are applied to energy, they are worse than wrong; they are dangerous.

What can possibly be wrong with promoting energy efficiency?

The Spanish generate 5.8 tonnes of CO2 per person your year (t-CO2/person/yr) while the Swedes produce almost 20 percent less at 5.07 t-CO2/person/yr. So can the Spanish turn off more lights, watch less TV, drive less, eat more raw food, use smaller more efficient fridges, cars, computers and so on to save 20 percent and get themselves down to the Swedish level?

Quite possibly. But it’s an incredibly brainless way to reduce emissions. Partly because it won’t ever get them low enough to be sustainable, but more importantly because it may impede the deep and meaningful changes that will.

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100 Per Cent Renewables Study Needs a Makeover

Guest Post by Martin Nicholson. Martin studied mathematics, engineering and electrical sciences at Cambridge University in the UK and graduated with a Masters degree in 1974. He published a peer-reviewed book on low-carbon energy systems in 2012: The Power Makers’ Challenge: and the need for Fission Energy

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In late April 2013, the Australian Energy Market Operator (AEMO) released its draft report titled 100 Per Cent Renewables Study – Draft Modelling Outcomes. The study was commissioned by the Department of Climate Change and Energy Efficiency (DCCEE) to explore future scenarios for the National Electricity Market (NEM) fuelled entirely by renewable resources.

AEMO provided scenarios for a 100 per cent renewable electricity supply at 2030 and 2050 along with the generation plant and the major transmission networks required to support each scenario. The study included estimated capital cost requirements for each scenario and an indicative estimate of the impact on customer energy prices.

AEMO found that a 100 per cent renewable system is likely to require much higher capacity reserves than a conventional power system. They estimated that the generation nameplate capacity could need to be over twice the maximum customer demand.

Assuming the reason for commissioning the report was to reduce greenhouse gas (GHG) emissions from electricity generation, it is disappointing that the DCCEE didn’t also request that nuclear power be included along with the renewable resources.

According to AEMO, to convert the NEM to a 100 per cent renewable system will cost at least $219 to $332 billion. This is excluding significant costs for the land (which could be as much as 5,000 sq kms) and augmentation of the distribution network. This is starting to sound worse than the recent high-speed train proposal from Melbourne to Brisbane.

Example of supply and demand in a winter week (scenario 2 in 2050)

According to the Australian Energy Regulator, the current NEM has an installed capacity of 46 GW made up of 26 GW of coal plants, 9 GW of gas, 8 GW of hydro and just over 2 GW of wind.

The following analysis is partly based on a paper I will present at a conference in July this year.

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