The European Union has set a number of energy supply targets for 2020, most notably increasing
the amount of energy produced from renewable sources to 20% [1]. It is evident that electricity
production from sustainable sources will be a key to success, and it is therefore not surprising to
see some regions, such as Scotland, aiming at producing 100% of their electricity demand from
renewable sources by 2020. These requirements will principally be achieved by the development of
the marine energy sector [2].
The current cost of energy extracted from sustainable marine resources (wave and tidal), however,
remain high at about £200–400/MWh, compared to £140/MWh for offshore wind [3].
In order to become competitive with other sources, installation, O&M (Operation and Maintenance)
and decommissioning costs of marine energy projects must be reduced. Installation represents 26% of
the cost breakdown of an offshore wind project, with a further 33% required for the device itself [4–6].
Therefore a cost reduction in installation could make a significant impact on the overall expenditure of
a marine energy project. This is the reason why the marine energy market needs fit-for-purpose
installation vessels to be developed.
It is important to note that these values consider projects which are successful at the first attempt
which is not often the case (due to interventions relating to weather downtime, failures, etc.), and this
subsequently leads to a risk of cost escalation. The objective of developing an optimisation planning
tool for offshore installation operations is therefore to analyse and develop an optimal installation
process by reducing such downtimes.
The European Union has set a number of energy supply targets for 2020, most notably increasing
the amount of energy produced from renewable sources to 20% [1]. It is evident that electricity
production from sustainable sources will be a key to success, and it is therefore not surprising to
see some regions, such as Scotland, aiming at producing 100% of their electricity demand from
renewable sources by 2020. These requirements will principally be achieved by the development of
the marine energy sector [2].
The current cost of energy extracted from sustainable marine resources (wave and tidal), however,
remain high at about £200–400/MWh, compared to £140/MWh for offshore wind [3].
In order to become competitive with other sources, installation, O&M (Operation and Maintenance)
and decommissioning costs of marine energy projects must be reduced. Installation represents 26% of
the cost breakdown of an offshore wind project, with a further 33% required for the device itself [4–6].
Therefore a cost reduction in installation could make a significant impact on the overall expenditure of
a marine energy project. This is the reason why the marine energy market needs fit-for-purpose
installation vessels to be developed.
It is important to note that these values consider projects which are successful at the first attempt
which is not often the case (due to interventions relating to weather downtime, failures, etc.), and this
subsequently leads to a risk of cost escalation. The objective of developing an optimisation planning
tool for offshore installation operations is therefore to analyse and develop an optimal installation
process by reducing such downtimes.
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