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We show that it is possible and rather efficient to compute at non-zerotemperature the thermoelectric characteristics of Coulomb blockaded fractionalquantum Hall islands, formed by two quantum point contacts inside of aFabry-Perot interferometer, using the conformal field theory partitionfunctions for the chiral edge excitations. The oscillations of the thermopowerwith the variation of the gate voltage as well as the correspondingfigure-of-merit and power factors, provide finer spectroscopic tools which aresensitive to the neutral multiplicities in the partition functions and could beused to distinguish experimentally between different universality classes. Wealso propose a procedure for measuring the ratio r=v_n/v_c of the Fermivelocities of the neutral and charged edge modes for filling factor \nu=5/2from the power-factor data in the low-temperature limit.

Thermoelectric properties of Coulomb-blockaded fractional quantum Hall islands