Environmental Engineering Reference
In-Depth Information
Figure 3.18
Residual demand to be met by conventional generation. (From Grubb, M.J.,
IEE Proceed-
ings
,
138
(2), March 1991, reproduced with permission of IET)
50000
solar PV
aggregated energy supply (variable sources)
wave
source-load
'power' energy requirement
offshore wind
'heating' energy requirement
aggregated energy requirement
onshore wind
40000
30000
20000
10000
0
0
5
10
15
20
25
30
35
40
45
50
-10000
-20000
Week Number
Figure 3.19
Hour by hour variation in renewable energy generation over one year, compared with
variations in energy requirements
