Table of Contents
What changed
Revenue rose 48.8% to $1.3b and EBITDAF rose 86.4% to $451.0m, but profit before tax fell 32.0% to $306.0m and NPAT fell 46.1% to $230.0m. Operating cash flow more than doubled to $345.0m from $132.0m, lifting pre-lease free cash flow to roughly $270.0m versus $62.0m. Gross borrowings increased to $1.8b from $1.7b, but net debt to EBITDAF improved to about 3.9x from 6.7x on the stronger earnings base. The interim dividend was lifted to 8.7cps from 8.0cps.
Segment disclosure shows Generation/Wholesale carrying the group, with segment EBITDAF of $441.0m on $837.0m of revenue (~52.7% margin), while Retail contributed only $11.0m of EBITDAF on $734.0m of revenue.
What matters
- The NPAT decline is not an operating deterioration. EBITDAF rose $209m, so the $144m fall in PBT reflects a reversal in below-the-line items (fair value and financing-related movements) that had flattered HY22. On top of that, the effective tax rate normalised to 24.8% from 5.1%, which is why NPAT fell faster than PBT. PBT is the cleaner operating read, and even PBT is distorted by the prior-period comparable.
- The reported revenue growth is flattered. Management disclose that HY22 revenue was reduced by a $65m early exit of the Norske Skog hedge. Adjusting the base, underlying growth is materially lower than the headline 48.8%.
- Leverage improved despite higher gross debt. The ~2.8-turn reduction in net debt/EBITDAF is a balance-sheet positive, but it is earnings-driven rather than debt-paydown-driven; gross borrowings actually rose $149m.
Expectations
No quantitative FY23 target or forward-work disclosure is provided in the extracted materials. Prior-year shape shows HY was 39.9% of FY22 revenue and 41.7% of FY22 EBITDAF, so the business is genuinely second-half weighted on operating metrics. Annualising HY23 revenue implies roughly $2.60bn versus FY22's $2.19bn, though that is a crude extrapolation given the hedge-exit base effect. The HY22 NPAT share of FY22 (91%) was anomalous, so using last year's profit shape to project this year's NPAT would be misleading.
Quality of result
The operating and cash quality of the result is stronger than the headlines suggest. OCF/EBITDAF rose to 76.5% from 54.5%, pre-lease FCF/NPAT improved to 117.4%, and capex intensity fell to 5.8% of revenue. The dividend is comfortably covered by pre-lease FCF at a 43.8% payout, versus an uncovered 175.5% last year.
The reported-profit side is lower quality. The EBITDAF-to-PBT swing of roughly $350m year-on-year indicates material non-cash or timing movements below EBITDAF, and the prior-period 5.1% tax rate made HY22 NPAT an unusually favourable comparator. Inventories also rose 86.2% to $121.0m, and with receivables and payables not extracted, working-capital quality cannot be fully verified.
Unresolved
- What specifically drove the ~$350m year-on-year swing between EBITDAF and PBT — fair value movements on energy derivatives, impairment reversals, or other one-offs?
- Why did the effective tax rate normalise so sharply, and is 24.8% the run-rate or is HY22's 5.1% the outlier driver (e.g., deferred tax, non-taxable gains)?
- What is driving the Retail segment's near-zero EBITDAF margin, and is this a pricing/cost issue or a timing one?
- Underlying revenue growth excluding the $65m Norske Skog hedge-exit base effect is not quantified in the extracted materials.
- Generation volume context (hydrology, the noted 675GWh spill) and forward hedge positions are not quantified here.
This briefing cannot assess management commentary on outlook, detailed derivative/fair-value movements, or segment-level prior-period comparatives, none of which are in the supplied extraction.
Key metrics
| Metric | HY23 | HY22 | Change |
|---|---|---|---|
| Revenue | $1.3m | $0.9m | +48.8% ↑ |
| Net profit after tax | $0.2m | $0.4m | -46.1% ↓ |
| Net cash inflow from operating activities | $0.3m | $0.1m | +161.4% ↑ |
| Interim dividend per share | 8.7c | 8.0c | +8.7% ↑ |
| EBITDAF | $0.5m | $0.2m | +86.4% ↑ |
| Profit before tax | $0.3m | $0.5m | -32.0% ↓ |
| Cash and cash equivalents | $0.1m | $0.0m | +10.4% ↑ |
| Total assets | $9.6m | $8.5m | +13.4% ↑ |
Reference: annolyse.ai/briefings/mcy-hy23
Segment breakdown
| Segment | Current revenue | Prior revenue | Current result | Mix shift |
|---|---|---|---|---|
| Generation/Wholesale | $0.8m | — | $0.4m | n/a |
| Retail | $0.7m | — | $0.0m | n/a |
| Other | −$0.0m | — | −$0.0m | n/a |
Reference: annolyse.ai/briefings/mcy-hy23
Analytical metrics
| Metric | HY23 | HY22 | Context |
|---|---|---|---|
| PBT growth | -32.0% | — | cleaner earnings measure |
| Effective tax rate | 24.8% | 5.1% | — |
| OCF / EBITDAF (cash conversion) | 76.5% | 54.5% | stable |
| FCF pre-lease | $0.3m | $0.1m | +$0.2m |
| FCF / NPAT | 117.4% | 14.5% | complementary conversion metric |
| Capex % revenue | 5.8% | 8.0% | — |
| Capex | −$0.1m | −$0.1m | −$0.0m |
| Net debt | $1.8m | $1.6m | +$0.1m |
| Net debt / EBITDAF | 3.90x | 6.70x | Strengthening |
| Gross borrowings | $1.8m | $1.7m | +$0.1m |
| Payout ratio vs NPAT | 51.5% | — | — |
| Payout ratio vs FCF pre-lease | 43.8% | — | covered |
| ROE (annualised) | 4.8% | 9.3% | Weakening |
| HY22 share of FY22 revenue | 39.9% | — | Other half was 60.1% |
| HY22 share of FY22 EBITDAF | 41.7% | — | Other half was 58.3% |
| HY22 share of FY22 NPAT | 91.0% | — | Other half was 9.0% |
| Profit from continuing operations | — | $0.4m | — |
Reference: annolyse.ai/briefings/mcy-hy23
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.