Table 1 Technology narrative pathway definition
From: Different technology packages for aluminium smelters worldwide to deliver the 1.5 °C target
Path no. | Path definition | Socioeconomic driver (SSP) | Captive power plant lifetime (L) | Existing smelter | New smelter | |
|---|---|---|---|---|---|---|
Commercialized technologies (C) | Inert anode and wettable cathode (E) | Innovative cell design (I) | ||||
P1 | Business as usual | SSP245 | 30 years (L30) | × (C1) | × (E1) | × (I1) |
P2 | P1 + SSP119 | SSP119 | 30 years (L30) | × (C1) | × (E1) | × (I1) |
P3 | P2 + captive early retirement | SSP119 | 20 years (L20) | × (C1) | × (E1) | × (I1) |
P4 | P3 + energy efficiency improvement | SSP119 | 20 years (L20) | ✓ (C2) | × (E1) | ✓ (I2) |
P5 | P4 + process mitigation | SSP119 | 20 years (L20) | ✓ (C2) | ✓ (E2) | ✓ (I2) |
