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Ten Year Network Development Plan 2015 |

89

Agriculture (9,766)

Landfill (1,005)

Sewage (2,365)

Other (676)

%

5

71

7

17

Figure 5.27:

European biogas plants by source in January

2014 (Source European Biogas Association).

0

25

50

75

100

TWh

2007

2008

2009

2010

DE

FR

UK

Other EU

Figure 5.28:

Evolution of biogas production in Europe

(own depiction, source Eurobserv’ER,

INSEE 2011)

4.3.1.3 Biomethane

Biomethane is biogas with natural gas quality after processing. It can be produced

from all kinds of organic materials using digesters or capturing it directly in landfill

sites. Liquid manure, agricultural waste, energy crops and effluent from sewage

treatment plant can be fed into biogas plants.

Unblended biogas can be used for a range of applications including heating, cooling

and power generation. When biogas is upgraded to biomethane it can also be used

in the transport sector and be injected into the natural gas grids and storage facili-

ties as its composition is similar to that of natural gas.

In 2013 biomethane was produced from over 230 upgrading plants in 14 countries

with injection into the transmission or distribution grids in 11 countries

1)

. The current

annual production of unblended biogas in Europe is approximately 14 bcm in natural

gas equivalent (154 TWh) with expected production levels of 28bcm (308 TWh) in

2020 according to the National Renewable Energy Actions Plans

2)

. Currently Germa-

ny, Austria and Denmark produce most of their biogas from agricultural plants

whereas the UK, Italy, France and Spain predominantly use landfill gas. According

to the European Biogas Association, by 2030 40% of the produced biogas is expect-

ed to be upgraded to biomethane. The specific nature of biogas means there is no

concept of an existing reserve as volume will depend on future availability of raw

materials.

Biomethane supply scenarios

These scenarios only cover the share of biogas upgraded to biomethane as only this

proportion can be injected into the distribution or transmission grids. In creating the

three following scenarios ENTSOG has used TSO estimates of July 2014 and the

2013 Green Gas Grids report from the European Biogas Association

3)

. Due to the

high uncertainty in the development of biogas and its injection into the networks

ENTSOG has decided to define a wide range in its scenarios and to consider such

potential only in the High Infrastructure Scenario.

1)

AT, CH, DE, DK, FI, FR, LU, NL, NO, SE and UK

2), 3) Green Gas Grids: Proposal for a European Biomethane Roadmap, European Biogas Association, December 2013