Vietnam's National Power Plan VIII Hits 21 GW of Solar in Q1 2026 as Investment Surges Past $4.7 Billion

Vietnam reached 21 gigawatts of installed solar capacity at the end of Q1 2026, three quarters ahead of the schedule set out in the country's revised National Power Development Plan VIII (PDP8), the Ministry of Industry and Trade announced on April 30. The figure represents a 14% increase from the December 2025 reading and brings Vietnam to within 4 GW of its 2030 target two years ahead of plan.

The acceleration was driven primarily by private foreign and domestic investment. The Ministry reported $4.7 billion in committed solar capital across the first quarter, with project clusters in Ninh Thuan, Binh Thuan and the Mekong Delta provinces accounting for 78% of new build.

The PDP8 framework

PDP8, approved in May 2023 and revised in October 2025, established a binding pathway for Vietnam's electricity sector through 2030 and an indicative pathway through 2050. The headline targets include 25 GW of solar capacity by 2030, 22 GW of onshore wind, 6 GW of offshore wind, and a corresponding reduction in coal-fired power generation as a share of the national grid mix from 39% in 2024 to 27% by 2030.

The 21 GW solar figure in Q1 2026 places the country comfortably ahead on the solar pillar. Wind capacity, by contrast, has lagged. Onshore wind reached 9.4 GW at end-Q1, against a 2030 target of 22 GW, and offshore wind has yet to record its first commercial commissioning despite four projects holding investment licences.

Private capital surge

The Q1 investment figure is the largest quarterly capital commitment to Vietnamese renewables since the post-feed-in-tariff slowdown of 2021–2022. Three deal categories drove the volume.

Direct Power Purchase Agreements (DPPAs) — which became operational under Vietnamese law in mid-2024 — accounted for $2.1 billion. Major DPPA deals in the quarter included a 320 MW solar project sponsored by Samsung Electronics for its Bac Ninh facilities, a 280 MW project sponsored by Heineken Vietnam, and a 240 MW project sponsored by Apple supplier Foxconn for its Bac Giang and Quang Ninh assembly lines. The DPPA framework allows large industrial users to procure renewable electricity directly from generators, bypassing the state-owned utility EVN.

Auctioned utility-scale projects accounted for $1.6 billion, with rooftop solar accounting for the remaining $1 billion. The rooftop figure is striking: residential and commercial rooftop installations crossed 8.4 GW cumulatively at end-Q1, double the figure two years earlier.

Reaction and risk factors

Industry analysts welcomed the milestone but flagged grid integration risks. The Ho Chi Minh City Energy Research Institute noted in an April 22 paper that solar curtailment — power generated but not absorbed by the grid — averaged 6.4% across central Vietnam in Q1, up from 4.1% in Q1 2025. The figure suggests the rate of capacity expansion is outpacing the grid's ability to evacuate the new generation.

The MOIT acknowledged the issue in its April 30 statement, noting that EVN had committed to commissioning 1,200 kilometres of new 500 kV transmission infrastructure by end-2027 to address bottlenecks between southern generation centres and northern demand hubs. Construction has begun on the Ninh Thuan-Hanoi double-circuit line, expected to add 4 GW of evacuation capacity when energised in late 2026.

Coal retirement still off-track

Vietnam's coal fleet, which the PDP8 plan envisions stabilising at 30 GW through 2030 before declining, currently stands at 29 GW with two new units scheduled for commissioning in 2026 and 2027. Climate-policy researchers at the Vietnam Initiative for Energy Transition (VIET) said in a research note Friday that the additional units are "fundamentally inconsistent" with Vietnam's commitment under the Just Energy Transition Partnership, which targets coal-fired generation peaking by 2030 and declining thereafter.

The MOIT response, attributed to a senior planning official, said that the JETP commitments "remain firm" but that grid stability concerns require the new units to operate as transitional capacity. The official said the units would be retrofitted for biomass co-firing within the decade.

Regional context

Vietnam's Q1 solar progress contrasts with mixed performance across the rest of Southeast Asia. Indonesia added 0.9 GW of solar in Q1 against a national target requiring 8 GW per year through 2030. Thailand added 1.4 GW. The Philippines added 0.7 GW. Vietnam alone accounted for more than half of Southeast Asia's renewable capacity additions in the quarter, according to data compiled by the ASEAN Centre for Energy.

The International Energy Agency, in a regional outlook published last week, said Vietnam's progress "demonstrates that ambitious renewable build is achievable in middle-income Asian economies when underlying frameworks — direct procurement, transparent auctions, grid investment commitments — are in place." The IEA noted that Vietnam's experience may be replicable in markets with similar institutional capacity, though it cautioned that the current pace of build "remains contingent on continued grid investment and on a stable regulatory environment for foreign capital."