[clug] OT: Solar power recommendations and advice
steve jenkin
sjenkin at canb.auug.org.au
Tue Apr 20 01:38:55 MDT 2010
NEMMCO ran the National Electricity Market until 2009.
Now AEMO:
<http://www.aemo.com.au/>
Current pricing graphs [pick a state]
<http://www.aemo.com.au/data/price_demand.html>
Source [http://www.nemweb.com.au/mms.GRAPHS/GRAPHS/GRAPH_30NSW1.gif]
looks not unlike RRD or MRTG images :-)
"RRP" - Regional Reference Price is $$/MW-hr.
The peak price of $65/MW-Hr is 6.5c/KW-Hr which is probably 30% of
Retail. The overnight $22/MW-Hr is 2.2c/KW-Hr - around 10% :-)
Michael Still wrote on 20/04/10 4:05 PM:
> Alex Satrapa wrote:
>
>> … you'll start to realise that your solar panels on the roof might
>> not be generating the power that *you* need, but dammit, every
>> kilowatt hour of solar power they produce is being used by someone
>> instead of another kilowatt hour of coal fired electricity.
>
> It is my understanding that you can't just turn coal power plants up and
> down... I believe they normally run at the maximum output required in
> the daily cycle, and various companies buy the unneeded power at a
> cheaper rate.
>
> (In other words, I've heard of power contracts which _require_ a certain
> power draw in order to soak up that excess generation.)
>
> Mikal
--
Steve Jenkin, Info Tech, Systems and Design Specialist.
0412 786 915 (+61 412 786 915)
PO Box 48, Kippax ACT 2615, AUSTRALIA
sjenkin at canb.auug.org.au http://members.tip.net.au/~sjenkin
More information about the linux
mailing list