Optimisation modelling is in widespread use in the in the power industry. Among the classic applications are unit commitment and economic dispatch (respectively which generators should run and at what level), hydro-scheduling (optimal use of the uncertain future water supply), and the optimal power flow (optimising some aspect of system operation or planning including network flow constraints.) In this talk I shall first give an overview of optimisation applications in the industry, and then describe optimal power flow formulation and solution in more detail - the full AC OPF is a non-convex non-linear network flow problem. Finally, I shall describe our use of an OPF model to maximise the amount of new generation which a network can support - this is currently an important issue due to the increasing presence of renewable generation in areas of the UK which previously contained little generation.
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