text: fuel	period	month	fuel_price_per_mmbtu
  Coal	2020	1	4.0
  Coal	2020	2	4.0
  Negative_Carbon_Fuel	2020	1	6.0
  Negative_Carbon_Fuel	2020	2	6.0
  Gas	2020	1	5.0
  Gas	2020	2	5.0
  Uranium	2020	1	2.0
  Uranium	2020	2	2.0
  