Notes
The North Sea Ring system is excluded as a high cost outlier, possibly because it is a small scale prototype system at current yields.
| Category | Macro Algae | |
| Source | 2050 working assumption | |
| Fuel cost | £(2010)15-343/tonne | 15–343£(2010)/tonne |
| Year for which cost is valid | 2050 | 2050 |
The North Sea Ring system is excluded as a high cost outlier, possibly because it is a small scale prototype system at current yields.