text: load_zone	fuel	period	fuel_cost
  North	Uranium	2020	2.19
  Central	Uranium	2020	2.19
  South	Uranium	2020	2.19
  North	Uranium	2030	2.2
  Central	Uranium	2030	2.2
  South	Uranium	2030	2.2
  North	Coal	2020	1.9012
  Central	Coal	2020	1.9012
  North	Coal	2030	2.0467
  Central	Coal	2030	2.0467
  North	ResidualFuelOil	2020	18.5755
  Central	ResidualFuelOil	2020	18.5755
  South	ResidualFuelOil	2020	18.5755
  North	ResidualFuelOil	2030	20.3021
  Central	ResidualFuelOil	2030	20.3021
  South	ResidualFuelOil	2030	20.3021
  