Load-following and intermittency: France | 51 comments (51 topical, editorial, 0 hidden)

oerational data (in English) (none / 1)

can be found here

Wind power

by Jerome a Paris (etg@eurotrib.com) on Wed Jul 7th, 2010 at 05:15:48 AM EST
[ Parent ]

Re: oerational data (in English) (none / 0)

A thousand thanks! Just fom the graphs for today,

(1) the daily variations...

of consumption: c. 18 GW;
of production: c. 9 GW;
of net exports: c. 7 GW, and net exports have an opposed phase to consumption;
rest I can't explain after this quick check: 2 GW.

(2) within production, in the order of total power, the daily variations are (in power output as well as in percentage of the daily maximum):

nuclear: 2.7 GW (c. 6%);
hydro: 4.1 GW (c. 40%);
coal: 1.9 GW (c. 70%);
gas: 1.3 GW (c. 55%);
fuel oil + peak: 0.1 GW (100%).

_{*Lunatic*, n.

One whose delusions are out of fashion.}

by DoDo on Wed Jul 7th, 2010 at 09:15:57 AM EST
[ Parent ]

Graphs! (4.00 / 4)

If anyone has a better idea how to visualise net exports especially, I'm all ears.

_{*Lunatic*, n.

One whose delusions are out of fashion.}

by DoDo on Wed Jul 7th, 2010 at 01:30:07 PM EST
[ Parent ]

Fascinating. So we are currently burning (none / 0)

gas... and not only gas, but COAL... in order to fulfill export obligations? Am I reading that first graph correctly?

_{It is rightly acknowledged that people of faith have no monopoly of virtue
- Queen Elizabeth II}

by eurogreen on Thu Jul 8th, 2010 at 09:31:53 AM EST
[ Parent ]

Re: Fascinating. So we are currently burning (none / 1)

No. I subtracted exports from total production, so the green line (which shows the highest variability) is more or less equal to domestic consumption in France. Thus the daily variation in coal, gas, as well as exports is needed to give the full daily variation of consumption, because nuclear's variability is nowhere near enough.

_{*Lunatic*, n.

One whose delusions are out of fashion.}

by DoDo on Thu Jul 8th, 2010 at 02:03:38 PM EST
[ Parent ]

Another graph (none / 0)

Here is another attempt to illustrate what I wanted to show. Now I subtracted the minimum of the average daily curves, and stacked only the daily variations for each power mode. This way I could stack the contribution of exports, too.

_{*Lunatic*, n.

One whose delusions are out of fashion.}

by DoDo on Thu Jul 8th, 2010 at 03:35:11 PM EST
[ Parent ]

Re: Another graph (none / 0)

The same for the first seven days of July (stronger daily variation, much stronger use of export balancing -- that is in essence the use of Italian, Dutch, Spanish, British coal/gas/hydro for balancing):

_{*Lunatic*, n.

One whose delusions are out of fashion.}

by DoDo on Thu Jul 8th, 2010 at 03:52:22 PM EST
[ Parent ]

Load-following and intermittency: France | 51 comments (51 topical, 0 editorial, 0 hidden)

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