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Ten Year Network Development Plan 2015 |

135

0

18,000

14,000

16,000

12,000

10,000

6,000

2,000

8,000

4,000

GWh/d

2015

2020

2025

2030

2035

Green

Grey

Figure 6.1:

Evolution of total gas demand (Average day)

0

3,000,000

2,500,000

2,000,000

1,500,000

1,000,000

500,000

t CO

2

/d

2015

2020

2025

2030

2035

Green

Grey

Figure 6.2:

Evolution of the CO

2

emissions in the power

generation sector (Average day)

This means that the analysis rather focuses on the adequacy of gas infrastructures

and supplies to different Global Contexts which can only be influenced by global

equilibrium and political actions (e. g. setting an appropriate ETS scheme).

The difference in the evolution of gas demand between the Green and Grey Global

Contexts mostly arises from the power generation sector during the first five years of

the time horizon; then after the difference remains basically stable. It derives from

the fact that for 2015 gas, coal and CO

2

emission prices are set at the same level in

both scenarios in order to reflect the current situation. Beyond 2020 – 2025, the

Green scenario shows a gas demand level which is 16% higher than the Grey one

but in terms of CO

2

emissions it is 25% lower than the Grey scenario. This opposite

evolution of gas demand and CO

2

emissions illustrates the significant environmen-

tal advantage of using gas in the power generation sector.

6.2.2 EVOLUTION OF GAS SUPPLY

Over the TYNDP time horizon, Europe is likely to see major evolution in gas exports

from surrounding regions. At the same time the LNG market is likely to change due

to new available sources and hence this may lead to an evolution of its price in

relation to pipeline bounded gas.

The following graphs represent the evolution of each source in the gas supply mix

under:

\\

annual condition (Average day) with:

one pair of lines represents the minimum and maximum share of each

source (respectively when the source is the most expensive then the

cheapest) under the Low Infrastructure scenario

one pair of lines along the same approach under the High Infrastructure

scenario

\\

peak condition (1-day Design Case) with one bar graph for the maximization of

UGS (limited to a eighty percent deliverability) and another one for the minimi-

zation of UGS