ENTSOG GRIP South - Main Report

Gas demand can vary through the year, the week and daily due to meteorological conditions, competing sources of energy, economical and residential activities. Therefore, demand fluctuations can be categorized by the period over which the variation in supply is required, in general in the year, theweek, and the day. Figure 3.7 shows themodulation indemand in the SouthRegionwith: \\ fluctuations in the yearmainly caused by theweather conditions when the gas is used for heating uses, \\ weekly cycle due to the economical activity, \\ and intra-daily factors linked to the economical and residential activities, and alsofluctuations inother power generation inparticularwhenCCGTareusedas backup of intermittent renewable power generation (mainly wind).

6 TWh/d

6 TWh/d

5

5

4

4

3

3

2

2

1

1

0

0

Jan Feb Mar Apr May Jun Jul

Aug Sep Oct Nov Dec

Jan Feb Mar Apr May Jun Jul

Aug Sep Oct Nov Dec

Average

Range (Demand)

Conventional demand

Power generation

Figure 3.7: Total demand for gas in the South Region by sectors in 2012. The graph on the left shows seasonal variation

Image courtesy of REN–Gasodutos

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ENTSOG–GRIPSouth 2013–2022

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