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Health cost of coal
The numbers
Australia
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I, Dave Clarke, the writer of these pages, do not receive any payment of any kind from the wind industry.

Wind turbines save lives

It has been known for a long time that air pollution from the burning of fossil fuels is dangerous to people's health; the World Health Organisation has estimated deaths from air pollution at seven million each year and an article published in the prestigious medical journal The Lancet in 2007 put numbers to the deaths and serious diseases caused by burning coal to generate electricity. The fossil fuel industry, coal in particular, is a killer industry.

As an example, from these numbers we can calculate that because the Snowtown Wind Farm in South Australia generates electricity that takes the place of coal-fired electricity, it saves about six lives and 54 serious illnesses each year.

Based on The Lancet's figures South Australia's wind power, in 2011, would save 55 lives each year and 520 serious illnesses.

Written 2012/08/08, modified 2017/05/30
Contact: email daveclarkecb@yahoo.com
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Related pages...

Turbines do not damage health
Killer-coal
Wind power and health
Why support wind power
Liberals against renewables


 
Brown Hill Wind Farm
Count the number of lives saved
These turbines are saving many lives and serious illnesses

Introduction

The Lancet paper was "Electricity generation and health", by Anil Markandya and Paul Wilkinson (Sep 15-Sep 21, 2007; 370, 9591; Research Library pg. 979). (The Lancet is probably the health science journal having the highest reputation of any in the world.)

The Lancet article specifically referred to Europe, it is likely that the figures in most Western countries would be similar, although one could speculate that they would be lower in Australia because of our low population density.

It should be noted that these figures do not include damage due to the large portion of climate change and ocean acidification that is due to burning coal. These will be far worse than the more direct health problems from 'air pollution' in the long term.

A single three megawatt turbine in Australia can be expected to generate 8.8 GWh of electricity each year; on the assumption that this replaces the same amount of coal-fired power and based on the figures published in The Lancet, each such turbine will save two serious illnesses each year.

Of course it is not only wind power that displaces dirty, polluting coal-fired power, solar and all other forms of renewable energy do too, but the main subject of this page is the positive impact of wind power.

More on the health problems there would be without wind farms can be read elsewhere on this site.

Health cost of coal

 

World Health Organisation, March 2014

The WHO has released figures linking indoor and outdoor air pollution to around seven million deaths a year making it the biggest single environmental health risk. The outdoor pollution was largely due to traffic fumes and coal-burning; both of which could be eliminated by a transition to renewable energy. See an article in the Guardian or the WHO pdf file.

See also Exporting Death and Killer coal.

USA

National Research Council. Hidden Costs of Energy: Unpriced Consequences of Energy Production and Use. Washington, DC: The National Academies Press, 2010. In regard to coal:
"To summarize, the aggregate damages associated with criteria-pollutant-forming emissions from coal-fired electricity generation in 2005 were approximately $62 billion (USD 2007), or 3.2 cents per kWh..."


The Laboratory for Aviation and the Environment of the Massechusetts Institute of Technology published an article titled "Air pollution causes 200 000 early deaths each year in the U.S." on 2013/08/29. Of these 52 000 were estimated to be caused by emissions from power generation.

Australia

The Climate and Health Alliance got together with the Public Health Association of Australia to produce a short video on the very real health risks of mining and burning coal and unconventional gas.
Environment Justice Australia; Cleaning the Air report.

Other figures

Next Big Future gives figures varying from 15 (in the USA) to 170 (China) deaths per TWh from coal based on a number of sources.
We cannot really put a price on good health, but we can measure the financial costs to the taxpayer of running the health system, and we can calculate how much is spent on trying to fix the health problems caused by coal-fired power station pollution. One such investigation concluded that for every kilowatt-hour of electricity generated by coal, the health costs amount to US$0.18. Note that this is much higher than the wholesale price of coal-fired electricity.

The numbers

If you are not interested in the arithmetic you might like to skip this section.

The Lancet paper mentioned above stated that air pollution from coal fired power stations result in 24 deaths and 225 serious illnesses per Terrawatt-hour (TWh) of electricity generated (see Table 2 of the paper).

A graph published in the Australian Energy Market Operator's report titled 'SA Supply and Demand Outlook 2011', giving SA's power consumption, shows that total power consumption in 2006 was around 14 TWh and in 2011 was around 14.5 TWh. This graph combined with a report released by Energy Quest on 2012/03/19 allows the figures in the following table to be approximated:
Energy generation in TWh
Year20062011Change
Coal5.883.63-2.26
Gas8.127.11-1.02
Wind0.143.773.63
 
From these figures we can see that, in South Australia's case at least, about one third of the electricity generated from wind is displacing gas power and about two thirds is displacing coal power.

So, in the Snowtown example: the Snowtown Wind Farm in South Australia generates about 360 gigawatt-hours per year (360 GWh = 0.36 TWh). If two thirds of this (0.24 TWh) displaces coal power then Snowtown Wind Farm has reduced coal-fired power production by 0.24 TWh. Then, (again approximately) 0.24 × 24 = 6 lives saved and 0.24 × 225 = 54 serious illnesses avoided per year just from the one wind farm.

The numbers for the whole of SA

Average annual generation from all SA wind farms calculated for 2011 was 3.44 TWh. Two thirds of this is 2.29 TWh. So it can be estimated that South Australia's wind farms are saving about 55 lives and avoiding about 520 serious illnesses each year.

There is some irony in the fact that while the Victorian government has made it difficult for anyone to build a wind farm in that state, many of these avoided illnesses and deaths will be in Victoria's Latrobe Valley because South Australia is importing far less coal-generated electricity from Victoria than before the spurt of wind power growth.

 
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The implications for the whole of Australia

 
A Wattle Point Wind Farm turbine
Turbine and Moon
Multiple exposure of one of the Wattle Point turbines
The total coal fired electricity generation for Australia is around 195 TWh. From this you would expect, based on the Lancet figures, about 4 700 deaths and 44 000 serious illnesses each year.

At the end of 2011 installed wind power capacity in Australia was 2 476 MW. Based on a capacity factor of 34% this generates about 7.4 TWh of electricity. If we conservatively estimate that half of this replaces coal-fired electricity then it saves about 88 lives and 830 serious illnesses each year.

By making it very difficult, or economically unviable, to build wind farms in Victoria, NSW and Queensland the governments of those states have made it much harder for wind farm builders to reduce these numbers of unnecessary deaths and illnesses. These governments have not only put a stop to the growth of this important renewable energy industry and in so doing damaged the economies of their own states, but they have also condemned thousands of their citizens to unnecessary serious illnesses and hundreds to an early death each year.

One has to ask why these Liberal governments are so strongly opposed to renewable wind power? The only answer that I can see is that they are in the pockets of the fossil fuel industry.

 
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Port Augusta – coal-fired power stations that could be replaced by wind and solar

Sarah Mennie wrote a piece in the Sunday Mail on 2010/03/27 pointing out that Port Augusta, the site of South Australia's only coal-fired power stations, had about twice the state's average rate of lung cancer. While Port Augusta has a slightly higher rate of smoking than SA generally, this, on its own, could not account for the increased rate of lung cancer.

In early 2012 it was announced that the Tom Playford Power Station, the dirtiest power station in Australia in terms of tonnes of CO2 per megawatt of power generated, is to be perminantly closed, and the larger Northern Power Station is only to be used in summer in future. This is at least in part due to wind power taking the place of coal-fired power.

Repower Port Augusta is proposing a solar power station to replace the coal-fired power stations.






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Index

Australia
Health cost of coal
Introduction
Links
Port Augusta
The numbers
The numbers for SA
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World Health Organisation, March 2014
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