Sets
| Set | Explanation |
|---|---|
| $\mathcal{A}$ | Set of all arcs. |
| $\mathcal{AC}$ | Set of all arcs $(a,c)$ on which commodity $c$ can be transported. |
| $\mathcal{C}$ | Set of all hydrogen related commodities. |
| $\mathcal{DSB}$ | Set of demand blocks of one commodity. |
| $\mathcal{I}$ | Set of all inputs. |
| $\mathcal{IOB}$ | Set of input cost blocks. |
| $\mathcal{M}$ | Set of all time steps within one year. |
| $\mathcal{N}$ | Set of all nodes. |
| $\mathcal{O}$ | Set of all production origins. |
| $\mathcal{P}$ | Set of all producers. |
| $\mathcal{PT}$ | Set of all possible production technologies $(c,o)$ of commodities $c$ from origin $o$. |
| $\mathcal{RA}$ | Set of all possible repurposings of arcs between commodities $(c,c')$ . |
| $\mathcal{RS}$ | Set of all possible repurposings of storages between commodities $(c,c')$ . |
| $\mathcal{RV}$ | Set of all possible repurposings of conversion technologies between commodities $((r,r'),(cc'))$. |
| $\mathcal{S}$ | Set of all storage system operators. |
| $\mathcal{T}$ | Set of all traders. |
| $\mathcal{V}$ | Set of all converters. |
| $\mathcal{VT}$ | Set of all possible conversions $(c,c')$ between commodities. |
| $\mathcal{Y}$ | Set of all years. |