Table of Contents
What changed
Revenue rose 24.8% to $2.7b and EBITDAF advanced 44.8% to $841.0m, the cleanest signal in the result. Below the operating line, profit before tax fell 72.2% to $142.0m and NPAT fell 78.0% to $103.0m, reflecting the prior-year gain on the Tilt Renewables disposal in the FY22 base and a swing in effective tax rate from -8.0% (a $41.0m benefit) to 27.5% (a $39.0m expense). Operating cash flow rose 64.2% to $578.0m, capex stepped up to $250.0m from $114.0m (9.2% of revenue versus 5.2%), and gross borrowings declined to $1.9b, taking net debt/EBITDAF to roughly 2.2x from 3.3x. The full-year dividend rose 9.0% to 21.8 cps, with the final component at 13.1 cps.
What matters
- The headline NPAT collapse is a comp-base effect, not an operating reversal. PBT growth of -72.2% is the cleaner lens than NPAT (-78.0%), and even PBT is distorted by the FY22 Tilt gain. Stripping that out, EBITDAF up 44.8% on revenue up 24.8% implies meaningful operating leverage.
- Leverage has materially improved. Net debt/EBITDAF at 2.2x (from 3.3x) combines a modest reduction in gross borrowings with a much larger EBITDAF denominator. Equity rose to $4.8b while total assets eased to $9.4b.
- The dividend is not covered by pre-lease free cash flow. The 21.8 cps payout equates to roughly 91.9% of pre-lease FCF of $328.0m ($578.0m OCF less $250.0m capex) and 293% of NPAT. FY22's company-defined free cash flow was $284.0m, above the simple $238.0m OCF-less-capex metric, but an equivalent FY23 figure was not disclosed.
Expectations
No formal guidance, forward-work balance, or quantified target was disclosed in the supplied materials, so there is no management benchmark to test this result against. On shape, HY23 accounted for 47.6% of full-year revenue and 53.6% of full-year EBITDAF, implying a softer second half in absolute terms: implied 2H revenue of $1.4b and EBITDAF of $390.0m. More notably, HY23 NPAT of $230.0m exceeded the full-year $103.0m, implying a loss at the NPAT line of roughly $127.0m in the second half. That divergence is not reconciled in the supplied excerpts.
Quality of result
Mixed, with the operating line more durable than the headline suggests. EBITDAF expansion is supported by cash conversion improving to 68.7% of EBITDAF from 60.6%, and working-capital mechanics look favourable rather than stretched: receivable days fell sharply to 47.2 from 79.4 and inventory days eased to 12.2 from 15.7, so the OCF uplift is not simply a receivables release. Capex intensity has nearly doubled as a share of revenue, compressing free cash flow relative to what the EBITDAF gain alone would suggest. EBITDAF is a management-defined measure and no reconciliation bridge was supplied, which limits a precise read on non-cash items. The implied 2H NPAT loss is a material quality flag that the supplied data does not explain.
Unresolved
- What drove the implied second-half NPAT loss of roughly $127.0m given EBITDAF remained positive? Fair-value movements on derivatives, impairment, or finance-cost effects are plausible but not disclosed here.
- What is the company-defined FY23 free cash flow, and is the 21.8 cps dividend covered on that definition (FY22's $284.0m definition exceeded the simple pre-lease figure)?
- Is the elevated capex run-rate of $250.0m sustained or one-off, and what return profile is assumed on the new spend?
- How much of the revenue uplift reflects price versus volume, and how will hedge-book roll-off affect FY24 EBITDAF off this higher base?
This briefing cannot assess Mercury's wholesale pricing exposure, hydrology position, or the specific accounting drivers of the second-half profit swing, because the supplied extracts do not include segmental, derivative, or generation-volume detail.
Key metrics
| Metric | FY23 | FY22 | Change |
|---|---|---|---|
| Revenue | $2.7b | $2.2b | +24.8% ↑ |
| Net profit after tax | $103m | $469m | -78.0% ↓ |
| Net cash inflow from operating activities | $578m | $352m | +64.2% ↑ |
| Final dividend per share | 13.1c | 12.0c | +9.2% ↑ |
| EBITDAF | $841m | $581m | +44.8% ↑ |
| Profit before tax | $142m | $510m | -72.2% ↓ |
| Cash and cash equivalents | $75m | $65m | +15.4% ↑ |
| Total assets | $9.4b | $9.7b | -2.5% ↓ |
Reference: annolyse.ai/briefings/mcy-fy23
Analytical metrics
| Metric | FY23 | FY22 | Context |
|---|---|---|---|
| PBT growth | -72.2% | — | cleaner earnings measure |
| Effective tax rate | 27.5% | -8.0% | — |
| OCF / EBITDAF (cash conversion) | 68.7% | 60.6% | stable |
| FCF pre-lease | $328.0m | $238.0m | +$90.0m |
| FCF / NPAT | 318.4% | 50.7% | complementary conversion metric |
| Capex % revenue | 9.2% | 5.2% | — |
| Capex | $250.0m | $114.0m | +$136.0m |
| Free cash flow | — | $284.0m | — |
| Debtor days | 47.2 | 79.4 | -32.2 days |
| Inventory days | 12.2 | 15.7 | -3.5 days |
| Trade debtors | $353.0m | $476.0m | −$123.0m |
| Net debt | $1.8b | $1.9b | −$68.0m |
| Net debt / EBITDAF | 2.17x | 3.25x | Strengthening |
| Gross borrowings | $1.9b | $2b | −$58.0m |
| Payout ratio vs NPAT | 293.0% | — | — |
| Payout ratio vs FCF pre-lease | 91.9% | — | not covered |
| ROE (annualised) | 2.1% | 9.9% | Weakening |
| HY23 share of FY23 revenue | 47.6% | — | Other half was 52.4% |
| HY23 share of FY23 EBITDAF | 53.6% | — | Other half was 46.4% |
| HY23 share of FY23 NPAT | 223.3% | — | Other half was -123.3% |
| Profit from continuing operations | $103.0m | $469.0m | −$366.0m |
Reference: annolyse.ai/briefings/mcy-fy23
This analysis was generated using Annolyse, an AI-powered tool that analyses NZX company announcements. The analysis is based on available company filings and standard Annolyse calculations. This is general information only and does not constitute financial advice. The analysis may contain errors. Always read the original company filings and consult a licensed financial adviser before making investment decisions.