Table 6 Variable notations and descriptions
From: Understanding supply chain constraints for the US clean energy transition
Variable | Description |
|---|---|
po,m,t | Quantity of commodities containing material m imported from origin o at time t (metric tons). |
qo,m,t | Quantity of material m produced domestically at origin o at time t (metric tons). |
sm,t | Consumption of stock of material m at time t (metric tons). |
lm,t | Level of stock of material m at the beginning of time t (metric tons). |
xp,t | Production of product p at time t (GW). |
ym,t | Total utilization of material m at time t (metric tons). |
zc,t | Production of component c at time t (units). |
