VIET NAM WIND POWER TRENDS IN THE 2026–2030 PERIOD

Key trends in turbine upsizing, deepwater migration, battery storage integration, and marine engineering localization.

Within Southeast Asia, Viet Nam stands out as one of the fastest-growing renewable energy markets. Beyond rapid growth in total installed capacity, Viet Nam’s wind sector is undergoing structural shifts in technology, operational models, and supply chains. In the 2026–2030 period, five key trends are expected to shape the domestic and regional wind industry landscape.

In Viet Nam, the majority of early-stage wind projects have been concentrated onshore or in shallow nearshore intertidal zones (particularly along the Mekong Delta coastline), utilizing concrete pile foundations. Currently, the developmental focus is gradually migrating toward deeper offshore waters.

• Accessing Superior Wind Resources: Deepwater locations further offshore (such as the South-Central coast) offer significantly higher and more stable average wind speeds compared to nearshore sites, substantially increasing a plant’s net capacity factor.
• Transitioning Foundation Technologies: Operating in deeper waters necessitates a shift from concrete gravity or pile foundations to fixed-bottom steel jacket foundations (for depths under 50 meters) and calls for feasibility studies on floating wind foundations for deepwater sites ranging from 50 meters to several hundred meters.

One of the primary technical levers to optimize the Levelized Cost of Energy (LCOE) in wind power projects is increasing both the rated capacity and physical dimensions of wind turbines.

According to the development roadmap projected by the World Bank Group for the Vietnamese market, offshore wind turbine specifications are anticipated to evolve across distinct phases.

Source: World Bank – Offshore Wind Roadmap for Viet Nam

Shifting toward next-generation turbine platforms ranging from 16 MW to 20 MW reduces the number of foundations required for a given marine area, shortens inter-array cabling requirements, and lowers long-term operations and maintenance (O&M) costs per megawatt of installed capacity.

Given the variable nature of wind energy, the adjusted PDP8 framework encourages the integration of Battery Energy Storage Systems (BESS) at utility-scale renewable plants to stabilize supply.

• Balancing Output Profiles: BESS units capture excess electricity generated during periods of high wind and low demand (e.g., at night) and actively feed it back into the grid during peak daytime demand hours.
• Supporting Grid Stability: This integration stabilizes wind power output, mitigates localized grid curtailment, and assists the national system operator in maintaining grid security.

To meet the technical demands of next-generation turbines – featuring blades exceeding 100 meters and components weighing hundreds of tons – Viet Nam’s wind supply chain is gradually transitioning toward localized equipment manufacturing.

Instead of relying entirely on imports, the domestic market is leveraging its established heavy engineering, shipbuilding, and offshore oil and gas (O&G) capabilities to manufacture key components:

• Domestic Component Fabrication: Vietnamese enterprises are mastering the fabrication of steel towers, fixed-bottom jacket foundations, and offshore substations to international technical standards.
• Establishing Co-located Industrial Hubs: Developing centralized marine engineering hubs near major ports minimizes transport costs and mitigates field logistics risks. This regional co-location also acts as a catalyst to attract global Original Equipment Manufacturers (OEMs) to establish localized assembly or component manufacturing facilities, serving both domestic and nearby regional markets.

Within its long-term development strategy, Viet Nam’s wind industry is exploring regional grid interconnection and green energy export initiatives within the ASEAN region.

• Pilot Interconnection Projects: A notable development is the joint feasibility study to develop offshore wind capacity in Vietnam for direct export to Singapore via a long-distance subsea cable system.
• Expanding Capital and Revenue Pools: Exporting green electricity diversifies revenue streams for large-scale projects and contributes to the structural realization of the ASEAN Power Grid (APG).

Conclusion

The shift toward larger turbines, deepwater migration, BESS integration, localized manufacturing of marine structures, and cross-border power transmission indicates that Viet Nam’s wind industry is entering a more mature, technologically sophisticated phase of development. Proactively preparing grid infrastructure and aligning with these five key trends will be critical to achieving the long-term targets of the adjusted PDP8.

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