Embodied energy efficiencies — calc_embodied

Embodied energy efficiencies are based on the total upstream primary energy demand for a product produced by the ECC or for the energy consumed by a final demand sector of the ECC. This function calculates both. eta_s gives sector-based embodied energy efficiency, and eta_p gives product-based embodied energy efficiency.

Usage

calc_embodied_etas(
  .embodiedmats = NULL,
  primary_machine_names,
  Y = "Y",
  G = "G",
  H = "H",
  eta_p = "eta_p",
  eta_s = "eta_s"
)

Arguments

.embodiedmats: A data frame containing columns of Y, G, and H matrices.
primary_machine_names: A list of strings representing names of Industries whose output is counted in Total Energy Supply (TPES).
Y: A final demand (Y) matrix or name of a column in .embodiedmats containing same. Default is "Y".
G: A G matrix or name of a column in .embodiedmats containing same. Default is "G".
H: An H matrix or name of a column in .embodiedmats containing same. Default is "H".
eta_p: The name for product-based efficiencies on output. Default is "eta_p".
eta_s: The name for final-demand-sector-based efficiencies on output. Default is "eta_s".

Value

A list or data frame containing embodied energy efficiencies.

Details

Note that these efficiencies (eta_s and eta_p) are different from energy conversion industry efficiencies. To calculate energy conversion industry efficiencies, use the calc_eta_i() function.