[FoRK] suburban solar

Eugen Leitl eugen at leitl.org
Thu Jan 3 03:45:58 PST 2013


On Thu, Jan 03, 2013 at 09:52:08AM +0100, Dave Long wrote:
> Eugen has long championed suburban solar; apparently my electricity  
> company agrees[0].
>
> The basic rate here is a bit under 15 ct/kWh, and the electric company is 
> currently offering to lease photovoltaic production (with an estimated 
> production of 150 kWh/m^2 per year) at 290 ct/m^2 per month

With the low prices and low installations costs in Europe (not
sure about .ch) and suitable roof I would just roll your own.

I'm still thinking about putting up ~0.3 kWp in the spring, and
run it as 12/24 V DC insular, with a small 230 V AC converter
with maybe ~300 W peak to run small loads.

> Hmmm... upon calculation that seems like a hefty surcharge[1] to absorb 
> their weather risk[2].
>
> -Dave
>
> [0] at least with the solar part, not sure where they intend to put the 
> plant(s).
> [1] for comparison, without any lease arrangement one can pay a  
> surcharge of 0,3 ct/kWh for hydro production, and a surcharge of 3 ct/ 
> kwH for low-head hydro.
> [2] to be fair, they clearly state the surcharge in their FAQ ... and  
> suggest that one compare it to the likely costs of self-production.


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