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Article #4923

Re: What happens when solar power is cheaper than grid power?

#4923
From: Sylvia Else
Date: Tue, 10 Jul 2012 02:38
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On 10/07/2012 9:12 AM, Graham Cooper wrote:
> On Jul 10, 8:24 am, BruceS <bruce...@hotmail.com> wrote:
>> On Jul 9, 1:39 am, "Clocky" <notg...@happen.com> wrote:
>>
>>
>>> Graham Cooper wrote:
>>>> On Jul 9, 11:24 am, "Clocky" <notg...@happen.com> wrote:
>>>>> herc.of.z...@gmail.com wrote:
>>>>>> On Jul 9, 9:28 am, "Clocky" <notg...@happen.com> wrote:
>>>>>>> Yes but when you are trying to cool/heat a room you will soon
>>>>>>> realise that the power required to do so using Peltier cooling (not
>>>>>>> to mention the costs) will throw your cost effective solar powering
>>>>>>> ideas into a festering heap.
>>
>>>>>>> But you won't listen to reason, so good luck with it. I would like
>>>>>>> to see what you come up with though.
>>
>>>>>> Not a room, a cool room.
>>
>>>>>> of course a person producing 50W in heat isn't going to compete with
>>>>>> a 20W peltier!
>>
>>>>>> so your INSULATION is inversely propotional to your COOLING POWER
>>
>>>>>> most people off the grid buy a chest freezer and put a timer or
>>>>>> thermostat on it.
>>
>>>>>> better insulation, and opening the door doesn't lose cool.
>>
>>>>>> I might adapt some chest freezers with peltier coolers and tank of
>>>>>> water inside to keep thermal intertia during noon hours, running off
>>>>>> solar panels.
>>
>>>>>> the shed is scorching in summer during afternoon, i have to get the
>>>>>> temperature down or I can't store ANY food!
>>
>>>>> A Peltier cooler setup that size would still likely use more energy
>>>>> than a conventional freezer box which kinda defeats the purpose
>>>>> doesn't it? I would insulate the shed walls and ceilings as a matter
>>>>> of priority. Add some panelling to make it more homely. Should be
>>>>> DIY simple and would make it more homely not to mention liveable.
>>
>>>> yeh the compressor fridges are more efficient, but peltiers work too
>>>> and are solid state so you can leave them on for years and run at
>>>> different amps, no maintenance.
>>
>>> I'd be interested to see what you come up with and see how efficient,
>>> reliable and cost effective it is.
>>
>>>> I wouldn't' be able to use gas if I sealed the shed up.  this will
>>>> just be a weekender once I've setup the water tank I can move on..
>>
>>> It could be a very comfortable weekender for little outlay. Shouldn't be a
>>> problem since you're loaded, right?
>>
>> Graham lives in a shed.  It's bigger (I think) than the storage shed I
>> just had built, but not as nice.  Yes, he's clearly "loaded", but he
>> would get even more loaded if he sealed up the shed and used gas in
>> it.  Better yet, Graham, seal up the shed and just open the gas valve
>> a bit, with no flame.  Then you won't have to worry about CO
>> poisoning.  Happy dreams!
>>
>>>> Easier to get a caravan or build a full house for something permanent
>>>> than do up a shed.  But water, power, resources, etc. are good to have
>>>> on stand by.
>>
>>> Expecting armageddon?
>>
>> More like expecting the authorities.
>>
>>>> I boarded off the gaps between the concrete slab and walls so no
>>>> spiders crawl in anymore
>>
>>> What about the gaps at the top? I found they came in through there and had
>>> to seal that. Ended up doing it by hanging a ceiling made from silver cell
>>> insulationl. Secured it using metal screws to the centre beam and let it
>>> droop slightly and fastened it to the sides with a bit of overlap. Looked
>>> quite neat and worked a treat. I ilaid some carpet and nsulated the sides of
>>> the shed and put some panels on to make it into a very comfortable
>>> workshop/office.
>>
>> You just can't get much better than a person who pretends to be rich
>> having to go extra lengths to keep the spiders out of the shed he
>> lives in, and dreaming of the day he can move on up to a caravan.
>
>
> huh?  I could afford 3 10 room mansions on the Gold Coast next week if
> I wasn't on the bad tenants list.
>
> I don't see the point in upgrading unless it's substantial.
>
> I have 3 graphics artists on payroll at the moment.
>
> I'm ordering 10 15W amorphous panels today ($1000) to bring me up to
> 300W total, although the Mono's barely work in winter due to the low
> slope on the shed roof.  And 300AH in batteries ($1400) and not sure
> what inverter, might get a $2000 inverter charger computer controlled
> system so I know how to expand later.
>
> It's just open plan living, septic loo in the corner, 12V shower on a
> mat, spray the place with a huge dose of cochroach surface spray once
> a month!
>
> No point getting a $10K caravan now, take me a couple months to save
> $50K, may as well get a mortgage.
>
> Herc
>

Why is it that your status as a wealthy person is always just around the 
corner?

What happened to all the income you claimed you were getting in the past?

Sylvia.
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From: Sylvia Else <sylvia@not.here.invalid>
Newsgroups: sci.skeptic,aus.electronics
Subject: Re: What happens when solar power is cheaper than grid power?
Date: Tue, 10 Jul 2012 12:38:14 +1000
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