Electricity Centenary Description UHM VFU FU 40c Geothermal $0.90Buy $0.75Buy $0.50Buy 60c Thermal $1.30Buy $1.30Buy $1.00Buy 70c Gas $1.55Buy $1.55Buy $1.20Buy 80c Hydro $1.75Buy $1.75Buy $1.20Buy Set of 4 $5.50Buy $5.35Buy $3.65Buy FDC 13 January 1988 $5.00Buy