The roles of electricity and hydrogen storage in a low ... - iea-etsap
The roles of electricity and hydrogen storage in a low ... - iea-etsap
The roles of electricity and hydrogen storage in a low ... - iea-etsap
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How many time slice can to be chosen?<br />
• Depends on variations <strong>in</strong> <strong>electricity</strong>-driven energy service dem<strong>and</strong>s & energy resources<br />
• UK experience:<br />
GW<br />
60<br />
55<br />
50<br />
45<br />
40<br />
Actual electrical load dem<strong>and</strong> <strong>in</strong> 2006<br />
Domestic hot-water dem<strong>and</strong><br />
35<br />
30<br />
25<br />
W<strong>in</strong>ter<br />
Spr<strong>in</strong>g<br />
Summer<br />
Autumn<br />
• Number <strong>of</strong> time slices - 20 Annual time periods from the orig<strong>in</strong>al six<br />
Diurnal<br />
Seasonal<br />
1. Morn<strong>in</strong>g: 6:00 – 9:00 (D1)<br />
1. W<strong>in</strong>ter: December – February (S1)<br />
2. Daytime: 9:00 – 16:00 (D2)<br />
2. Spr<strong>in</strong>g: March – May (S2)<br />
3. Even<strong>in</strong>g peak: 16:00 – 20:00 (D3)<br />
3. Summer: June – August (S3)<br />
4. Late even<strong>in</strong>g: 20:00 – 23:00 (D4)<br />
4. Autumn: September – November (S4)<br />
5. Night <strong>storage</strong>: 23:00 – 6:00 (D5)<br />
7<br />
20<br />
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00<br />
Strengths – Power sector<br />
• Flexibility to model <strong>electricity</strong> dem<strong>and</strong> pr<strong>of</strong>ile thereby get a<br />
better fit on <strong>electricity</strong> dem<strong>and</strong><br />
60<br />
W<strong>in</strong>ter Electric Dem<strong>and</strong> (2006)<br />
60<br />
W<strong>in</strong>ter Electric Dem<strong>and</strong> (2006)<br />
50<br />
50<br />
GW<br />
40<br />
GW<br />
40<br />
30<br />
Night time<br />
dem<strong>and</strong><br />
(22:30 - 6:30)<br />
Day time dem<strong>and</strong><br />
(6:30 – 22:30)<br />
30<br />
D5<br />
Night Storage<br />
(23 - 7)<br />
D1<br />
Morn<strong>in</strong><br />
g<br />
(6 - 9)<br />
D2<br />
Day<br />
(9 -16)<br />
D3<br />
Peak<br />
(16 - 20)<br />
D4<br />
Even<strong>in</strong>g<br />
(20 - 23)<br />
20<br />
00:00 04:00 08:00 12:00 16:00 20:00<br />
20<br />
00:00 04:00 08:00 12:00 16:00 20:00<br />
Actual<br />
MARKAL<br />
Actual<br />
Temporal MARKAL<br />
8
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