| GBP millions | FY2020 | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 | Trend | YoY |
|---|---|---|---|---|---|---|---|---|
| Cash & cash equivalents | 53.7 | 52.5 | 30.1 | 29.5 | 26.9 | 25.4 | −5.5% | |
| Cash & short-term investments | 53.7 | 52.5 | 30.1 | 29.5 | 26.9 | 25.4 | −5.5% | |
| Receivables | 3.5 | 5.0 | 7.0 | 7.8 | 6.5 | 6.4 | −0.5% | |
| Inventory | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | — | |
| Total current assets | 0.0 | 39.0 | 29.2 | 37.5 | 26.9 | 31.8 | +18.4% | |
| Property, plant & equipment | 572.1 | 641.3 | 667.7 | 675.5 | 624.7 | 0.0 | −100.0% | |
| 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 | 602.8 | — | |
| Total assets | 630.1 | 700.0 | 705.0 | 713.0 | 658.8 | 636.8 | −3.3% | |
| Payables | 0.1 | 0.0 | 0.0 | 0.0 | 0.1 | 1.2 | +748.2% | |
| Short-term debt | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | +0.0% | |
| Total current liabilities | 0.0 | 2.4 | 2.0 | 0.0 | 0.0 | 0.0 | — | |
| Long-term debt | 194.9 | 258.7 | 261.1 | 261.2 | 261.4 | 261.7 | +0.1% | |
| Total debt | 196.4 | 260.2 | 262.5 | 262.6 | 262.9 | 263.2 | +0.1% | |
| Net debt | 142.7 | 207.7 | 232.4 | 233.2 | 234.5 | 237.8 | +1.4% | |
| Deferred revenue | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | — | |
| Total liabilities | 201.4 | 263.9 | 265.7 | 265.4 | 269.1 | 266.0 | −1.1% | |
| Total equity | 428.7 | 436.1 | 439.3 | 447.6 | 389.7 | 370.8 | −4.9% | |
| Retained earnings | 55.1 | 68.3 | 71.5 | 84.9 | 27.0 | 8.0 | −70.3% |
Amounts are shown in the stated units; per-share amounts and shares are unscaled. Negative amounts are in brackets.