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. 2025 Mar 17;2(1):11. doi: 10.1038/s44333-025-00032-w

Table 2.

Nomenclature

Sets
M = {m} Set of EVs, where m represents a single EV
T = {t} Set of time slots, where the duration of a time slot t is fixed and given
Parameters
Pt Electricity demand curve of industrial site at time step t [kWh]
λt Time-of-Use (ToU) electricity price tariff at time step t [p/kWh]
γt Grid carbon intensity at time step t [gCO2/kWh]
Emcap Total battery capacity of EV m [kWh]
Emini Initial battery charge level of EV m upon arrival at workplace [kWh]
ET+1 Minimum battery charge requirement after work shift (specified by EV user) [kWh]
pmax Maximum charging power capacity of charge point [kW]
fmt Parking availability matrix (binary) of EV m indicating arrival and departure times
C Average value of daily max. and min. Pt [kWh]
τ Length of each time interval t [15 min]
Auxiliary variables (AVs)
yt Total electricity demand from EV charging at time step t [kWh]
Emfin Final battery charge level of EV m upon departure from workplace [kWh]
Decision variable (DV)
xmt Charging electricity demand for EV m at time step t [kWh]