The Role of Flexibility Resources in the Energy Transition
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Extremely adaptable power systems are required, as the share of variable
renewable energy sources increases. The variable renewable energy sources' ability to be
installed on the grid, is frequently thought to be constrained by a limited flexible capacity.
A general, methodological framework, for the optimal scheduling of an islanded power
system, with a variety of flexibility resources, is presented in this work. In particular, it takes
into account a significant amount of intermittent RES and the widespread use of electric
vehicles that offer charging and discharging options. The modeling in this work also
considers demand response programs' active market participation and the installation of
energy storage capacities. Additionally, it covers the involvement of electricity
interconnections, as a source of flexibility. Two illustrative case studies of an island power
system connected to a mainland power system, have been used, to evaluate the applicability
of the proposed strategy. The scheduling framework is daily, with an hourly interval.
The results of the modeling show how important all of the flexibility resources are, for
effective energy management and the supply of ancillary services, especially in cases for
high-RES penetration. The proposed method can be used by market operators, policymakers
and regulatory authorities, to choose the best system development, market design and
portfolio synthesis. Extremely adaptable power systems are required, as the share of variable
renewable energy sources increases. The variable renewable energy sources' ability to be
installed on the grid, is frequently thought to be constrained by a limited flexible capacity.
A general, methodological framework, for the optimal scheduling of an islanded power
system, with a variety of flexibility resources, is presented in this work. In particular, it takes
into account a significant amount of intermittent RES and the widespread use of electric
vehicles that offer charging and discharging options. The modeling in this work also
considers demand response programs' active market participation and the installation of
energy storage capacities. Additionally, it covers the involvement of electricity
interconnections, as a source of flexibility. Two illustrative case studies of an island power
system connected to a mainland power system, have been used, to evaluate the applicability
of the proposed strategy. The scheduling framework is daily, with an hourly interval.
The results of the modeling show how important all of the flexibility resources are, for
effective energy management and the supply of ancillary services, especially in cases for
high-RES penetration. The proposed method can be used by market operators, policymakers
and regulatory authorities, to choose the best system development, market design and
portfolio synthesis.