| GBP millions | FY2020 | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 | Trend | YoY |
|---|---|---|---|---|---|---|---|---|
| Cash & cash equivalents | 3.9 | 11.6 | 6.9 | 9.7 | 7.9 | 12.3 | +55.3% | |
| Cash & short-term investments | 3.9 | 11.6 | 6.9 | 9.7 | 7.9 | 12.3 | +55.3% | |
| Receivables | 5.9 | 5.1 | 3.5 | 3.1 | 4.9 | 4.1 | −17.1% | |
| Inventory | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | — | |
| Total current assets | 3.9 | 11.6 | 6.9 | 12.9 | 15.0 | 17.9 | +18.9% | |
| Property, plant & equipment | 551.9 | 665.2 | 1.1 | 3.0 | 4.7 | 6.0 | +27.6% | |
| Goodwill & intangibles | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | — | |
| Long-term investments | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 669.3 | — | |
| Total assets | 561.8 | 682.0 | 625.3 | 605.1 | 614.4 | 695.2 | +13.1% | |
| Payables | 1.7 | 4.0 | 1.0 | 1.4 | 2.6 | 5.2 | +98.2% | |
| Short-term debt | 0.0 | 22.7 | 0.0 | 0.0 | 20.0 | 0.0 | −100.0% | |
| Total current liabilities | 3.5 | 4.7 | 5.2 | 4.9 | 0.0 | 0.0 | — | |
| Long-term debt | 138.6 | 113.9 | 172.1 | 177.3 | 153.6 | 183.8 | +19.6% | |
| Total debt | 138.6 | 136.6 | 172.1 | 177.3 | 173.6 | 183.8 | +5.8% | |
| Net debt | 134.7 | 125.0 | 165.2 | 167.6 | (7.9) | 171.5 | +2265.7% | |
| Deferred revenue | 6.6 | 7.4 | 7.4 | 0.0 | 0.0 | 0.0 | — | |
| Total liabilities | 152.0 | 154.4 | 187.8 | 193.3 | 190.9 | 208.4 | +9.2% | |
| Total equity | 409.9 | 527.6 | 437.6 | 411.8 | 423.5 | 486.7 | +14.9% | |
| Retained earnings | 155.2 | 272.3 | 182.2 | 137.5 | 148.4 | 233.4 | +57.2% |
Amounts are shown in the stated units; per-share amounts and shares are unscaled. Negative amounts are in brackets.