I need to analyze EDP's financial position to determine how much of S&P's hybrid bond equity credit cap (15% of total adjusted capital) the company should utilize.

Let me consider several factors:

## 1. Capital Structure Analysis

**Debt levels:**
- Long-term borrowings: €15,782,604,000
- Current borrowings: €4,239,869,000
- Total financial debt ≈ €20,022,473,000

**Equity:**
- Total equity: €13,834,608,000
- Equity attributable to owners: €8,883,449,000

**Leverage ratio:** Debt / (Debt + Equity) ≈ 20,022 / (20,022 + 13,835) ≈ 59.1%

This is a relatively leveraged company, typical for a regulated utility.

## 2. Total Adjusted Capital (TAC)
TAC = Debt + Equity ≈ €20,022M + €13,835M ≈ €33,857M

S&P's 15% cap on hybrid equity credit = 15% × €33,857M ≈ €5,079M

## 3. Profitability and Cash Flow
- Revenue grew significantly (€14.98B → €20.65B)
- Net profit: €1,170M (2022) vs €1,105M (2021)
- Operating cash flows: €3,778M (strong)
- But investing cash outflows: -€3,232M (heavy capex for renewable energy expansion)
- Financing activities: €1,100M net inflow

## 4. Interest Rate Environment
The swap curve shows rates rose dramatically in 2022 (from negative to ~1.7-1.9%), making traditional debt more expensive. Corporate bond spreads also widened. This makes hybrid bonds relatively more attractive as a financing tool since they provide equity credit that can help maintain credit ratings while the cost differential between hybrids and senior debt (the sub-sen delta of ~0.2%) is relatively modest.

## 5. Strategic Considerations
- EDP is a major utility undergoing significant renewable energy investment (EDPR)
- High leverage (~59%) suggests the company could benefit from equity credit to maintain/improve credit ratings
- Strong operating cash flows support debt service
- The company is paying dividends (€0.19/share) and has non-controlling interest distributions
- Significant capex needs for energy transition
- The company already has institutional partnerships in North America (~€2.2B), showing it uses creative financing

## 6. Hybrid Bond Rationale
For a utility like EDP with:
- High leverage requiring rating protection
- Large capital expenditure programs
- Stable, regulated cash flows that support hybrid coupon payments
- Rising interest rates making pure equity issuance dilutive
- A need to balance between debt costs and equity dilution

Hybrid bonds are particularly well-suited for utilities. EDP has substantial investment needs and moderate-to-high leverage. The equity credit from hybrids would help maintain credit ratings without diluting shareholders. The relatively low sub-sen delta (0.2%) means the additional cost of hybrids over senior debt is manageable.

However, the company's leverage is already significant, and using the full 15% cap might signal over-reliance on hybrid instruments. Given:
- The company's strong cash flows
- Its clear need for capital structure optimization
- The utility sector's typical comfort with hybrids
- But also noting that equity has actually declined year-over-year (from €13,978M to €13,835M)

EDP is a classic candidate for hybrid utilization. Many European utilities use hybrids extensively. Given EDP's leverage, growth needs, and the favorable characteristics of hybrid bonds for utilities, I would expect them to use a significant portion but perhaps not the absolute maximum.

Given the high leverage, strong cash flows, heavy investment needs, and the utility sector's established practice of using hybrids, EDP should utilize a substantial portion of the cap. The moderate leverage pressure and significant capex needs suggest 75-100% utilization would be appropriate.

Given that EDP is a well-established utility with predictable cash flows, high capital needs, and already elevated leverage where hybrid equity credit would be particularly valuable, I'd lean toward 100% utilization.

<answer>100%</answer>