metric,type,numerator_core_units,denominator_core_units,unit,description
power,core,,,MW,electric power (instantaneous output or installed capacity)
energy,core,,,MWh,electric energy (or installed energy capacity) - needs to be consistent with the power units!
fuel_energy,core,,,MMBtu,energy content of fuel
cost,core,,,USD,real cost for a constant base year
carbon_emissions,core,,,tonnes CO2, greenhouse gas emissions
time_for_cost,core,,,yr.,used to describe annual costs
heat_rate,secondary,fuel_energy,energy,,heat rate of a thermal power plant - specifies how much fuel is required to deliver a unit of electric energy
fuel_emission_intensity,secondary,carbon_emissions,fuel_energy,,the emission intensity a fuel expresses how much carbon emissions are emitted when a unit of fuel energy is burned
fuel_price,secondary,cost,fuel_energy,,the cost of fuel per unit of fuel energy
variable_om_cost,secondary,cost,energy,,the variable operations & maintenance cost per unit of electric energy
fixed_om_cost,secondary,cost,power*time_for_cost,,the annual fixed operations & maintenance cost per unit of electric capacity
fixed_om_cost_energy,secondary,cost,power*time_for_cost,,the annual fixed operations & maintenance cost per unit of electric energy capacity
capacity_cost,secondary,cost,power*time_for_cost,,the annual capital cost per unit of electric capacity
energy_capacity_cost,secondary,cost,energy*time_for_cost,,the annual capital cost per unit of electric energy capacity