Computes energy intensity per tonne of ore processed (GRI 302-3) and,
optionally, the renewable share of total energy consumption
(GRI 302-1 / SASB EM-MM-130a.1).
Usage
calculate_energy_intensity(energy_gj, ore_processed_kt, renewable_gj = NULL)
Arguments
- energy_gj
Numeric. Total energy consumed in gigajoules.
- ore_processed_kt
Numeric. Ore processed in kilotonnes. Must be > 0.
- renewable_gj
Numeric. Optional. Renewable energy consumed in GJ.
Value
A named list with metric, energy_intensity (GJ/t ore) and,
when renewable_gj is supplied, renewable_share_percent.
Examples
calculate_energy_intensity(10449110, 18481, renewable_gj = 550000)
#> $metric
#> [1] "SDG 7.3 - Energy Intensity"
#>
#> $energy_intensity
#> [1] 0.5654
#>
#> $renewable_share_percent
#> [1] 5.26
#>