EVNNPT rating affirmed at BB+ as Fitch cites monopoly position and tariff framework

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EVNNPT rating affirmed at BB+

Highlights

Fitch Ratings affirmed National Power Transmission Corporation's and its parent Vietnam Electricity's long-term foreign-currency issuer default rating at BB+.
EVNNPT benefits from its monopoly as the sole national electricity transmission operator, supported by a pooling tariff mechanism and annual cost-reflective tariff adjustments under regulatory reforms.
Fitch forecasts Vietnam's electricity transmission volume to grow 8% in 2026 and average 5.7% in 2027–2029, driven by strong demand, economic growth, and new industries.

Rating rationale and demand outlook

As reported by Fitch Ratings, National Power Transmission Corporation's rating remains aligned with the BB+ long-term foreign-currency issuer default rating of its parent, Vietnam Electricity, while EVNNPT's senior unsecured rating is also affirmed at BB+.

Fitch says the rating is based on EVNNPT's bb+ Standalone Credit Profile and on its linkage to EVN under the agency's Parent and Subsidiary Linkage Rating Criteria. The agency says EVNNPT benefits from its position as the sole operator of Vietnam's national electricity transmission network, a nationwide asset base and stable demand fundamentals.

Fitch also points to a pooling mechanism for tariff collection from five regional distribution companies, which reduces single counterparty risk and helps keep receivables low. It adds that transmission tariffs account for only a small share of retail electricity prices, limiting price risk and supporting cash flow stability under Vietnam's regulated framework.

Fitch expects EVNNPT to benefit from more frequent and cost-reflective tariff adjustments as regulatory reforms improve the timeliness and predictability of revisions. Since 2023, the government has approved four retail tariff increases for EVN, while the regulator sets the electricity transmission tariff annually to allow EVNNPT to recover expenses, earn a permitted profit, maintain operations and meet investment plans.

On operating trends, Fitch forecasts Vietnam's transmission volume growth to average around 5.7% in 2027 to 2029. For 2026, it assumes 8% growth, citing strong demand in the first half of the year, hot weather and economic growth, with additional support possible from new industries such as data centers.

Implications for Vietnam's power sector

Fitch says EVNNPT's financial profile is stronger than its rating, but the standalone assessment remains capped by its view of Vietnam's regulatory environment. That means future rating movement is closely tied both to the parent's credit standing and to whether the regulatory framework continues to support cost recovery and predictable returns.

The affirmation reinforces EVNNPT's central role in Vietnam's electricity sector as the country manages continued power demand growth. With electricity demand expected to remain closely linked to GDP over the next four years, the rating action signals ongoing confidence in the transmission operator's ability to support network expansion within the existing regulated model.

Our earlier report on S&P Global Ratings’ assessment of sovereign resilience explained how persistent geopolitical shocks and elevated fiscal spending are increasing borrowing and refinancing risks in a higher-rate environment. It noted that emerging and frontier markets are particularly exposed because interest-service costs tend to be high relative to narrower revenue bases, while energy and food price spikes add to inflation and fiscal strain.

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