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 »  Home  »  energy  »  Baseload power bull
Baseload power bull
By Green Living Tips | Published  10/13/2009 | energy
Solar power vs. coal - the baseload electricity debate

"Solar power can't provide baseload power like coal can, nyah nyah!"
  
I don't know how many times I've read/heard that sort of thing over the last couple of years as an excuse for continuing to use fossil fuels such as coal. 
  
So what is baseload power?
  
It's the amount of electricity needed to meet minimum demands within a given area. 
 
And why do some of the naysayers say solar can't provide it?
 
Essentially, because the sun doesn't shine all the time and there's no way to store sunshine.
 
Three points: 
 
a) It doesn't need to be a cloudless day in order to generate electricity from a solar panel based system. There are also other forms of solar power, such as solar thermal. 
 
b) Storage mediums such as huge molten salt batteries have been developed to the point of commercial viability and could be scaled up/rolled out quickly if so much money wasn't going to damned coal!
 
c) We don't need to think big all the time as in massive solar farms. In any town there's a sea of suitable unused roof space that could be used to generate power close to where it will be consumed. This means less line loss, this means less reliance on large solar farms. There are many other advantages in distributed power generation also, such as security - a distributed power generation system is a much harder target to take out.
 
Something else that really riles me - CCS - Carbon Capture and Sequestration - is a long way off from being commercially viable. It's still questionable in terms of safety and effectiveness.

Solar power is already here, tried and tested. The energy storage mediums, such as salt batteries, are already here. This has all been achieved through crumbs of funding compared to what the fossil fuel industry has received.
 
The technology is not an issue - it's one of political will and investment. With political will and government support comes investment. 
 
It's not an end-user cost issue either - even electricity from "clean" coal is going to cost a bucket load more, and those costs will be passed on to the consumer.

The era of cheap energy is over and it's best we all get used to it. Energy efficiency is the low hanging fruit of reducing greenhouse gas emissions and baseload power needs - it's not going to hurt us to not having our houses lit up like Xmas trees. Increased electricity costs might finally see us realizing that.
  
Something I read elsewhere (apologies to the site, can't remember which one it was) makes another very interesting point about the whole baseload power debate. An article pointed out that the infrastructure for coal didn't magically appear. Coal doesn't mysteriously turn from a black/brown lump into electricity. Without the trains, without the coal mine machinery, without the plants, there is no baseload supply. That infrastructure had to be created, which cost a whole bundle of cash. The coal industry was and is heavily subsidised - still - after a hundred years or so!
  
Imagine if all that cash was fairly rapidly rerouted. Imagine how fast we could see clean, renewable energy taking its place. Look at the innovations already occurring in battery development since the US started throwing some reasonable cash at its greatest passion - cars.
  
It's time that coal fired power generation was delivered a death sentence, before our use of the stuff delivers a death sentence for many more of us.
  
It's time that those who supposedly represent our best interests stopped feeding at the coal black trough; because it's not just questionable alliances, shady deals, cash and kickbacks they've got their snouts in, it's the blood of all those who will die in the future as a result of climate change - spurred on by the burning of coal.

The clock is ticking.

Solar power - power to, for and by the people!


 
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Michael Bloch
Green Living Tips.com
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Comments
  • Comment #1 (Posted by Rose)

    And even if we can't yet use solar power for the majority of our power need and wants we can still use it to reduce the amount of power from less environmentally friendly methods of generation!

    A small step in the right direction is still a step in the right direction!
     
  • Comment #2 (Posted by Natasha)

    Working for a solar PV company in the UK, we have installed a 12.24 kWp solar PV system to a school in the Highlands of Scotland (north of Aberdeen for those that get how far north that is). Based on 10 years of meteorological data this system is predicted to generate nearly 8,700 kWh of electricity per year. In London the same sized system will generate nearly 9,800 kWh/yr. These are significant amounts of electricity. If most buildings had solar PV installed on them, the 'baseload' would be considerably lower during the day! Admittedly, for PV there is still the issue of not generating at night, but other renewables such as tidal/wave/wind can do that. Tidal and Wave power cannot be considered intermittent (which is the reason most fossil lovers give for not wanting renewables) as the tides and the waves are constantly on the move!
     
  • Comment #3 (Posted by Ken)

    The problem no one talks about or knows about is corporate protectionism of sources. You cannot make money on a product unless there is a limited supply. So corporations chose those products they can control.

    They know that in the end, they cannot stop people from generating their own electricity - and the reason why we have the lobbying and the hype about other energy like hydrogen or alcohol. These they can control. Electricity they cannot. You can make your own electricity and the big power brokers are scarred (and angry) of losing their "monopoly on power".

    A clear example of this is the large wind mills. The alternative is legislation to require small windmills (more than one per home - on each corner of your house or property) on every home and business in the city - which would generate much more energy. So why the big windmill farms and the dis-incentives for small home windmills? Because the big energy corporations are lobbying to suppress home based windmills. They are controlling supply by keeping windmill power in large windmill farms - while lobbying for all kind of 'requirements' and other hassles for anyone wanting to make home based windmills. The small windmill farm companies are in kahoots with the big energy business to keep prices extremely high.

    A windmill is simple to make from a car generator. But look at how much the smaller wind mills cost online. They cost a fortune. This a ploy and part of the corporate tactic. If you try to run your own business making home made windmills, they will shut you down. I kid you not. America is not as free as you think. The lobbying has led to laws that keep the little guy out to protect the investments in the large corporate windmill farms.

    What people need to do is make their own windmills from car generators. The cost is about $100 bucks from your local car parts company. Small windmills can also be screened to keep birds out of the blades. Search the internet. The plans are out there. There are electricians who can tie these home power sources into your home wiring. But of course, it is currently illegal as the big power companies have lobbied to make it so.

    Ken
     
  • Comment #4 (Posted by Doug Robinson)

    Correct on the value of solar power but fundamentally wrong about baseload power. Mind you baseload does not need to be run on coal, it just needs to be.

    Solar is a slam dunk for some applications. An example would be Arizona in the air conditioning season. Plenty of sunlight and plenty of need. A match made in heaven.

    However, despite you assurances that power storage
    technology has advanced far enough to compensate for
    the vagaries of solar power availability, it just ain't so. Even if it was the current North American
    power grid would need substantial upgrading before such a system could serve the needs of many much less all.

    For what it is worth, my estimate of the situation starts with solar taking over the variable load is such cases as air conditioning in Arizona as soon as possible. Making the effort to reduce the baseload requirements, replacing the need for coal fired plants in areas that can support it easily.

    You also might consider nuclear power. At least that does not fill the air with sludge.

    Keep at it though; If nobody complains then NOTHING will be done!

     
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