I need to analyze Fortum Oyj's financial position to determine the appropriate reliance on hybrid bonds in its capital structure.

## Key Analysis

### Financial Health Assessment

**Profitability and Earnings Stability:**
- 2022: Massive net loss of €10.29 billion, driven primarily by discontinued operations (€11.3 billion loss)
- 2021: Small net loss of €114 million
- Continuing operations actually profitable: €1.01 billion in 2022 and €4.01 billion in 2021
- Comparable operating profit: €1.87 billion (2022) vs €1.43 billion (2021) - core business is stable
- EBITDA: €1.84 billion (2022), down from €4.91 billion (2021)

**Major Issues in 2022:**
- The massive losses are driven by discontinued operations, suggesting major restructuring/divestiture
- Uniper-related losses (discontinued operations) caused enormous impairment
- Balance sheet shrunk dramatically: Assets fell from €149.7 billion to €23.6 billion
- Equity collapsed from €13.7 billion to €7.7 billion

**Balance Sheet Strength Post-Restructuring:**
- Post-divestiture, the company is much smaller but more focused
- Equity ratio: 32.7% (€7.7bn equity / €23.6bn assets) - moderate leverage
- Non-current assets: €12.7 billion, Current assets: €11.0 billion
- Debt levels appear manageable post-restructuring

**Cash Flow:**
- Operating cash flow from continuing operations: €2.1 billion (positive)
- Operating and investing cash flow from continuing operations: €3.6 billion (positive)
- Overall cash flow negative due to discontinued operations impact

**Credit Market Context (2022):**
- Interest rates rose sharply: 5Y swap from -0.264% to 1.726%
- Corporate bond spreads widened: iShares Core Euro Corp Bond at 1.085%
- Sub-investment grade delta suggests credit stress in market

### Hybrid Bonds Considerations

Hybrid bonds are subordinated, perpetual or long-dated securities with equity-like features. They're useful when:
1. **Need to preserve credit rating**: Hybrids are often treated as 50-100% equity by rating agencies
2. **Need financial flexibility**: Lower debt servicing burden (deferrable coupons)
3. **High leverage or refinancing risk**: Fortum had massive balance sheet reduction
4. **Regulatory capital requirements**: Especially for utilities with nuclear obligations

**Arguments for Higher Hybrid Usage (50-75%):**
- Company underwent massive restructuring with Uniper disposal
- Nuclear waste management obligations (€966M provision, down from €3.5bn)
- Need to maintain investment grade rating post-restructuring
- Utility sector typically benefits from hybrid treatment for regulatory purposes
- Significant non-controlling interest exposure suggests complex capital needs

**Arguments Against Maximum Hybrid Usage (0-25%):**
- Core operations are profitable and cash-generative
- Post-restructuring balance sheet is cleaner
- Too much hybrid capital is expensive vs. straight debt
- 2022 rate environment makes all debt more expensive

### Optimal Structure Assessment

Given:
- Fortum is a regulated utility with stable cash flows from continuing operations
- The company has emerged from crisis with smaller, cleaner structure
- Nuclear obligations require long-term capital commitment
- Need to maintain financial flexibility after massive write-downs
- Market rates have normalized, making straight debt more viable than in 2020-2021

A **25% hybrid component** would:
- Provide rating agency equity credit (typically 50% equity treatment)
- Maintain financial flexibility for nuclear decommissioning
- Not over-burden with expensive subordinated capital
- Keep cost of capital reasonable given improved operational profile
- Signal confidence in core business stability

Higher hybrid usage (50%+) would be excessive for a company with stable, regulated utility cash flows. Lower usage (0%) would miss the rating and flexibility benefits that utilities typically optimize for.

<answer>25%</answer>