Ideally, these factors would serve as a fillip to efforts to develop Vietnam’s abundant renewables potential.
Unfortunately, the legacy of haphazard policy implementation means that solar power’s growth will be limited for the immediate future. From 2017 to 2021, Vietnam offered attractive solar feed-in-tariffs (FiTs) of US$0.09 per kWh. An uncontrolled surge of projects, allegedly expedited by corruption, culminated in the approval of significantly more projects than were authorised. Meanwhile, EVN failed to make the requisite investments in transmission and grid expansion.
The result has been significant curtailment. During Vietnam’s recent heatwave, only 10.5GW of the country’s more than 20GW of solar capacity was used on average at peak time. This, combined with lower hydropower output and grid constraints, has led to widespread loadshedding – when electricity companies reduce consumption by cutting off supply to certain customers – across Vietnam’s north.
Nor is it clear that wind can do the heavy lifting. As of March this year, 60 onshore projects with a cumulative capacity of 3.5GW were sitting idle. Covid disruptions meant that these projects failed to achieve grid connection by November 2021, the deadline for securing favourable FiTs.
Developers remain locked in negotiations with EVN. EVN is hardly a disinterested player, as the FiTs that it pays renewables developers are progressively eroding its own market share.
Vietnam has favourable offshore wind potential, and PDP8 is targeting at least 6GW by 2030. However, legislative and policy gaps remain. Hanoi’s bruising experience with FiTs also means that it is unclear when or if similar incentives will be offered to new offshore wind projects.
Looking further ahead, PDP8 is targeting the burning of up to 29GW of hydrogen and 32GW of ammonia at converted gas and coal plants by 2050. This may prove excessively costly, especially if imports are involved.
Individually, none of these challenges is insurmountable. When combined, they are a formidable policy challenge. Getting it right will be crucial to meeting Vietnam’s development goals and maintaining its status as Southeast Asia’s leading emerging manufacturing hub.