Table 7 Parameter notations and descriptions
From: Understanding supply chain constraints for the US clean energy transition
Parameter | Description |
|---|---|
r | Discount rate (dimensionless). |
\({C}_{m,t}^{{{\rm{rm}}}}\) | Projected price for material m at time t (million $/metric ton). |
\({C}_{p,t}^{{{\rm{p}}}}\) | Cost of manufacturing and installing product p at time t (million $/GW). |
\({D}_{m,c}^{{{\rm{c}}}}\) | Demand for material m in producing component c (metric tons/GW). |
\({D}_{c,p}^{{{\rm{p}}}}\) | Demand for component c in producing product p (units/GW). |
\({R}_{o,m,t}^{{{\rm{c}}}}\) | Proportion of total pure material m available at origin o during time t (dimensionless). |
\({R}_{m,t}^{{{\rm{d}}}}\) | Proportion of total available material m at time t designated for renewable energy development (dimensionless). |
\({R}_{m,t}^{{{\rm{s}}}}\) | Proportion of stocked material m at time t that can be used (dimensionless). |
Yo,m,t | Availability of commodities containing material m at origin o during time t (metric tons). |
Xp,0 | Initial installed capacity of product p (GW). |
\({\overline{X}}_{t}^{{{\mathcal{K}}}}\) | Upper limit for production of category \({{\mathcal{K}}}\) during time t (GW). |
\({\underline{X}}_{t}^{{{\mathcal{K}}}}\) | Lower limit for production of category \({{\mathcal{K}}}\) during time t (GW). |
\({G}_{t}^{{{\mathcal{K}}}}\) | Targeted goals for cumulative installed capacity of category \({{\mathcal{K}}}\) by time t (GW). |
