I'll work through this step-by-step.

## Step 1: Identify the relevant industry

A2A S.p.A. is an Italian multi-utility company (parent is A2A S.p.A., municipalities of Milan and Brescia). A2A operates in generation, distribution, and retail of electricity and gas, as well as waste management. It's a multi-utility with both regulated and unregulated activities. Given the mix, I'll treat it as a combination of regulated utilities and unregulated power and gas. For the financial metric calculations, I'll apply the general S&P corporate methodology adjustments.

## Step 2: Estimate Adjusted EBITDA

**Reported EBITDA:** 1,505 million EUR (for FY 2022, period 2022-01-01 to 2023-01-01)

**Adjustments:**

- **Nonrecurring items:** "Result From Nonrecurring Transactions" = 157 million EUR (this appears to be a gain, likely from disposal of assets given "Adjustments For Losses Gains On Disposal Of Noncurrent Assets" = -191 million EUR). S&P would remove nonrecurring gains. So we subtract 157 million.

- **Operating lease adjustments:** No specific lease data is provided beyond small lease payments (11 million EUR). The lease payments classified as financing activities suggest IFRS 16 is applied. Under IFRS 16, depreciation of right-of-use assets is already in EBITDA implicitly (since EBITDA is before D&A). S&P typically adds back the lease depreciation component that's already excluded from EBITDA and instead adds the full lease payment. However, with limited data, the impact is small. I'll approximate a minor lease adjustment. The lease payments are 11 million EUR. Under IFRS 16, these are already excluded from EBITDA. S&P would add them back to EBITDA. So +11 million.

- **Pension adjustments:** Pension deficit exists (248 million EUR at end of 2022). S&P typically adjusts for pension service costs vs. cash contributions. With limited detail, I'll assume the adjustment is minimal.

- **Discontinued operations:** Profit from discontinued operations = 36 million EUR. This gain should likely be excluded as it's non-recurring in nature.

Adjusted_EBITDA = 1,505 - 157 + 11 - 36 = 1,323 million EUR

Wait, let me reconsider. The EBITDA of 1,505 likely already excludes the nonrecurring result of 157 million (since EBIT = 687 and nonrecurring = 157, the EBIT before nonrecurring = 687 - 157 = 530, and EBITDA before nonrecurring = 530 + 818 = 1,348). Actually, looking more carefully:

EBITDA = 1,505
D&A = 818
EBIT = 687
Nonrecurring = 157 (included in EBIT path to PBT)

The EBITDA of 1,505 appears to be the operating EBITDA before nonrecurring items. The nonrecurring 157 million sits below EBIT. So EBITDA already excludes nonrecurring gains.

Adjusted_EBITDA = 1,505 + 11 (leases) = 1,516 million EUR

## Step 3: Estimate FFO

**Cash interest:** "Interest Paid Classified As Operating Activities" = 75 million EUR. S&P would also add lease interest. Total lease payment = 11 million; approximate interest portion ≈ 3 million. So adjusted cash interest ≈ 75 + 3 = 78 million EUR.

**Cash taxes:** "Income Taxes Paid Refund Classified As Operating Activities" = 201 million EUR.

FFO = 1,516 - 78 - 201 = 1,237 million EUR

## Step 4: Estimate Adjusted Debt

**Reported debt:** Noncurrent financial liabilities = 5,867 + Current financial liabilities = 1,022 = 6,889 million EUR

**Lease obligations:** Already included in financial liabilities under IFRS 16. Minimal additional adjustment needed.

**Pension deficit:** 248 million EUR (noncurrent provisions for employee benefits)

**Surplus cash:** S&P typically allows netting of some cash. With 2,584 million in cash, I'll assume modest surplus cash deduction. For utilities, S&P may not net all cash. I'll conservatively net minimal cash, perhaps 0 or a portion. Given the large cash balance and operational needs, I'll assume ~200 million is operational, leaving ~2,384 million. However, S&P is often conservative; let's assume they net about 75% excess = ~1,800 million.

Actually, S&P for utilities typically doesn't allow full cash netting. Let me be more conservative and not net cash.

Adjusted_Debt = 6,889 + 248 = 7,137 million EUR

## Step 5: Calculate FFO / Adjusted_Debt

FFO / Adjusted_Debt = 1,237 / 7,137 = 0.1733

<answer>0.1733</answer>