Inspec keywords: optimisation; risk management; search problems; power grids; power transmission planning; power generation planning

Other keywords: harmony search algorithm; group improvisation procedure; novel two-stage multidimensional melody search algorithm; two-stage multidimensional MSA; AIP; 46-bus south Brazilian electric power grid; IEEE 118-bus test system; transmission expansion planning coordination; player memories; multilevel optimisation problem; alternative improvisation procedure; risk-constrained multilevel framework; optimisation algorithm; generation expansion planning coordination; HSA

Subjects: Power system planning and layout; Optimisation techniques; Combinatorial mathematics; Power transmission, distribution and supply