Input data for economic modelling sensitivity and monte carlo analyses
| Input | Base value | Pessimistic | Optimistic | Input data source |
|---|---|---|---|---|
| Heat pump SPF | 4 | 3 | 5 | rb&m (2024) |
| Unitary price of heat (real, 2024): £; kWh | 0.08 | 0.07 | 0.09 | Prior project experience |
| Construction duration: years | 5 | 7 | 5 | HS2 programme |
| Electricity price: p; kWh | 22 | 30 | 14 | Prior project experience |
| Annual heat availability from GHE: GWh/year | 76 | 54 | 98 | Analysis in Section 3 |
| Maintenance cost: £; year | 129 517 | 174 628 | 90 234 | HS2 Phase 1 |
| Heat pump capex: £ | 7 400 959 | 10 477 669 | 4 858 732 | DECC (2020) |
| Tunnel lining capex: £ | 22 566 419 | 27 079 703 | 18 053 135 | HS2 Phase 1 |
| Input | Base value | Pessimistic | Optimistic | Input data source |
|---|---|---|---|---|
| Heat pump | 4 | 3 | 5 | |
| Unitary price of heat (real, 2024): £; kWh | 0.08 | 0.07 | 0.09 | Prior project experience |
| Construction duration: years | 5 | 7 | 5 | HS2 programme |
| Electricity price: p; kWh | 22 | 30 | 14 | Prior project experience |
| Annual heat availability from GHE: GWh/year | 76 | 54 | 98 | Analysis in |
| Maintenance cost: £; year | 129 517 | 174 628 | 90 234 | HS2 Phase 1 |
| Heat pump capex: £ | 7 400 959 | 10 477 669 | 4 858 732 | |
| Tunnel lining capex: £ | 22 566 419 | 27 079 703 | 18 053 135 | HS2 Phase 1 |
GHE, ground heat exchanger
Sharing content requires targeting cookies to be enabled. Please update your cookie preferences to use this feature.