Page 23 - European Energy Innovation - Autumn 2014
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Autumn 2014 European Energy Innovation 23


Then risks are analysed: the of the residual risk; vulnerability to the European Network of
likelihood of risk scenarios is analysis; and supplementary Transmission System Operators
evaluated as well as the impact measures. for Electricity (ENTSO-E). The
and consequences of these official launch of the GIE Security
risk scenarios. Results are It is not possible to identify a Risk Assessment Methodology
summarised in a risk matrix. A fixed set of detailed security took place on 29 July 2014.
semi-quantitative methodology is measures that have to be applied
applied, with 5 likelihood classes: to all assets of gas infrastructure The GIE Methodology has been
“very low probability”, “low operators; the security measures developed using best practices
probability”, “medium probability”, have to be defined by every from GIE members and is already
“high probability” or “very high operator considering the national in use by some operators. GIE
probability”. There are also 5 risk mandatory regulations and the expects that its members will
classes: “very low risk”, “low risk”, specific environmental aspects. progressively apply it. Experience
“medium risk”, “high risk” and from implementation could also
“very high risk”. For each category, This methodology supports lead to improvements in the
an order of magnitude of the operators in identifying the coming years.
likelihood or risk is provided. security measures and, in
particular, the definition of its own The Methodology is accessible
The next step deals with the security guidelines that can be to all stakeholders interested in
evaluation of risks: by comparing adopted for all assets belonging this field. It is published on the
the risk findings with the risk to a specific type and/or risk level. GIE website (http://www.gie.
criteria (without or with the eu/index.php/publications/gie).
existing security measures), the A FREELY AVAILABLE The documentation consists of
need for mitigation measures METHODOLOGY AND TOOL a detailed description; a Risk
is identified. Decisions have to The GIE Security Risk Assessment Assessment Tool and a summary
be made whether a risk needs Methodology is complemented of the Methodology in the form of
treatment, what the priorities for by a Risk Assessment Tool which a presentation. l
treatment are, and whether an covers the specific assessment
activity should be undertaken. phases as described in the Thierry Deschuyteneer
methodology: asset classification Executive Secretary
The last part of the methodology (including criticality and Gas Infrastructure Europe (GIE)
involves risk treatment. This environment); threat analysis; Avenue de Cortenbergh, 100
covers: selection of the strategy evaluation of likelihood and 1000 Brussels
for managing risk; evaluation impact; and object classification. Belgium
of the effectiveness of the “as- T +32 2 2090503
is” security measures and the The GIE Security Risk Assessment F +32 2 2090501
analysis of the gap with the Methodology has been presented E
desired outcome; identification of to representatives of the European W
mitigation measures; evaluation Commission and introduced
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