St. Petersburg utility bond rating affirmed at AA with stable outlook

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St. Petersburg utility bond AA

Highlights

Fitch affirmed St. Petersburg's utility bonds at 'AA' with a stable outlook, citing very strong financial, revenue defensibility, and operating risk profiles.
Leverage was 4.4x in fiscal 2025 and projected to rise to 6.2x over five years under stress tests, but remains within significant headroom for the current rating.
The fiscal 2027–2030 capital improvement plan plus estimated fiscal 2026 capex totals $792.9 million, aligning with historical investment and supporting credit stability.

Credit profile and capital spending outlook

As reported by Fitch Ratings, the agency affirmed the 'AA' rating on the city's outstanding public utility revenue bonds and assigned an 'aa' Standalone Credit Profile to the combined utility system. The outlook remains stable.

The rating reflects what Fitch describes as a very strong financial profile, supported by very strong revenue defensibility and a very strong operating risk profile, both assessed at 'aa'. Fitch said leverage, measured as net adjusted debt to adjusted funds available for debt service, stood at 4.4x in fiscal 2025 and is expected to increase to 6.2x over the next five years under its Analytical Stress Test rating case, while still leaving significant headroom at the current rating level.

The bonds are backed by a first-lien pledge of net revenues from the city's public utility system, including the water fund, which covers water, sewer and reclaimed water, and the stormwater fund. Pledged revenues do not include impact fees.

System metrics support rating stability

The utility system's operating cost burden is about $7,000 per million gallons, while its life cycle ratio was low at 40% in fiscal 2025. Fitch also cited capex-to-depreciation performance as a credit strength, averaging 204% over the five fiscal years from 2021 through 2025.

Planned investment is expected to continue outpacing historical depreciation, which Fitch said should help preserve a low life cycle ratio. The fiscal 2027 to 2030 capital improvement plan, together with estimated fiscal 2026 capex, totals $792.9 million, a level the agency said is consistent with prior reviews.

Sovereign borrowing risks in a higher-rate environment were the focus of our earlier coverage, highlighting how geopolitical tensions and sustained fiscal spending can weaken credit resilience. We noted that persistent inflationary shocks and refinancing needs can erode fiscal headroom, with emerging and frontier markets facing the greatest pressure due to high debt-service burdens and narrower revenue bases.

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