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Old 14.03.2011, 13:22
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Solar panels, help!! does anyone know the real 'facts'???

So I'm confused!

I have spoken / emailed several solar companies and so far I am none the wiser, basically I'm thinking about getting a few panels to reduce our electricity bills, and when we are not around to sell the excess power back to the power company.

so far I have been told, nope, not possible,

yes its possible but there is a 4 year waiting list to setup with power co.

yes its possible right away, the waiting list is to sell back to national co. but you can do local right away

Yes you can do it 2 year waiting list.

and one company that recons you just plug your cells in to a normal power socket and it just works. (so what happens if your house isn't using any electricity at the time??)

Does anyone have solar at home (in switzerland) do you have an extra meter? how does it work selling power back (or banking the kwh's you have sent them)

the quotes we got have also been frankly ridiculous, one swiss company quoting 30k EURO (er hello, we're in switzerland) all in, oh apart from installation, the electrician and various other costs, so really all in then

really, it can't be this hard??????
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Old 14.03.2011, 14:19
Bertrand - Geneva
 
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Re: Solar panels, help!! does anyone know the real 'facts'???

website of the Swiss Federal Office of Energy / solar energy.

http://www.bfe.admin.ch/themen/00490...x.html?lang=en

Perhaps your answer is on there
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Old 14.03.2011, 14:28
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Re: Solar panels, help!! does anyone know the real 'facts'???

It is unlikely you will gain from feeding back into the grid. Get a decent set of batteries and switch your lighting to 12V. Get the latest panels that charge off daylight and not just sunlight. Do it for green reasons, not for financial reasons and you will be happy all the time.
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Old 14.03.2011, 14:35
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Re: Solar panels, help!! does anyone know the real 'facts'???

like most things green, solar panels ain't exactly green having a load of batteries would make it even less so.

solar seems to be the new double glazing, lots of dodgy companies around telling you lots of BS and stupidly high costs, I know how much a panel costs, so multiplying them by a factor of 10 the retail cost isn't going to get you the deal lol
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Old 14.03.2011, 15:14
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Re: Solar panels, help!! does anyone know the real 'facts'???

aren't you jumping the gun a bit? have you got a solar panel licence yet? and have you get permission from the gemeinde?

if you're not doing it for ecological reasons, does it really make sense from a financial perspective?
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Old 14.03.2011, 15:47
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Re: Solar panels, help!! does anyone know the real 'facts'???

I think you are confusing solar panels with a photovoltaic system.

Solar panels are simply panels on the roof that warm your household water. It can be used for general household water and for heating using warm water (underfloor for example). The water is heated directly through the panels.

Photovoltaic is where you have panels on the roof that are connected into a storage battery and you use the sun to create electricity which you use for your household electricity needs, and any excess you can theoretically sell back to the grid.

I agree, the whole thing is incredibly confusing but when I looked into this option (photovoltaic) the conclusion I came to was that I would need to fill my entire roof space with panels in order to generate about 20% of my household electricity needs. Selling anything back was just a pipedream. If you have a spare field, or an exceptionally large roof, and they were both ideally oriented to capture maximum sunlight, then maybe you could generate enough electricity to do what you are hoping.

Your best bet is to go with a few solar panels on your roof to help heat your water, rather than relying on electricity to do this. Also, if you have gas connection in your house you can buy a nice gas/solar unit for all your household water needs and have no electrically heated water at all. I saw a Domotec (Swiss heating company) gas/solar boiler and solar panels unit for about 20K CHF which would be ideal (mind you, the cost of installation is pretty high with standard Swiss labour rates). You can also get some government grants to help out with the costs.
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Old 14.03.2011, 16:04
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Re: Solar panels, help!! does anyone know the real 'facts'???

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aren't you jumping the gun a bit? have you got a solar panel licence yet? and have you get permission from the gemeinde?

if you're not doing it for ecological reasons, does it really make sense from a financial perspective?
just trying to get that sort of information is like pulling teeth, for such a 'green' country switzerland is really quite backwards when it comes to solar
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Old 14.03.2011, 16:11
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Re: Solar panels, help!! does anyone know the real 'facts'???

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just trying to get that sort of information is like pulling teeth, for such a 'green' country switzerland is really quite backwards when it comes to solar
i don't think switzerland is a 'solar' country. spain had huge incentives including subsidised prices to sell electricity back to the grid. this started a massive ground based solar boom which also buggered up a whole load of things. the govt eventually pulled the rug on them by reducing the subsidies.

to put it into perspective, 20kchf is around 12 years worth of electricity use for me.
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