ベトナム再生可能エネルギー市場:外国人投資家向け市場参入ガイド

ベトナムの再生可能エネルギー市場は、急速な経済成長と政府の強力なコミットメントに牽引され、東南アジアで最も活力のある市場の一つです。再生可能エネルギーは既にベトナムの設置電力容量の約271億トン(TP3T)を占めています。

2025年10月13日

B&Company

最新ニュースとレポート / ベトナムブリーフィング

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2008年に設立され、ベトナムにおける日系初の本格的な市場調査サービス企業として、業界レポート、業界インタビュー、消費者調査、ビジネスマッチングなど幅広いサービスを提供してきました。

本コラム「ベトナムブリーフィング」では、B&Companyの若手調査員が、ベトナムの産業トレンド、消費者動向、社会の動きなどのトピックについてタイムリーに発信していきます。

本記事は英語で作成されており、他言語版は自動翻訳を利用しています。正確な内容につきましては、英語版記事をご参照ください。弊社はできる限り正確な情報の提供に努めておりますが、本記事のご利用は利用者ご自身の判断と責任のもとでお願いいたします。また、本記事に記載されている考察や将来展望等は、各研究者の個人的な見解に基づくものです。

Vietnam’s renewable energy market is one of Southeast Asia’s most dynamic, driven by rapid economic growth and strong government commitments. Renewables already account for about 27% of Vietnam’s installed power capacity. Recent policies under Power Development Plan VIII (PDP8) aim to boost this further – targeting 28-36% of electricity generation from renewables by 2030. It highlights the robust opportunities for foreign investors penetrating Vietnam renewable energy market.

Market Overview of Vietnam’s Renewable Energy Market

Vietnam has experienced a renewable energy boom in the past decade, transforming from a minor player to a regional leader. By the end of 2023, Vietnam had the largest solar capacity in Southeast Asia (18.6 GW)[1]. Renewables (mainly solar and wind) now make up roughly 27% of the country’s installed power capacity[2], a remarkable increase fueled by supportive policies and Vietnam’s favorable geography (abundant sun and a 3,000 km coastline with strong winds).


Installed power capacity in Vietnam

出典: B&Company 編集

The government’s orientation is firmly pro-renewables, motivated by energy security and climate commitments. Under the newly approved PDP8 (2023), Vietnam targets renewable sources to supply 28-36% of electricity by 2030, rising to 74-75% by 2050[3] – a drastic shift from its past reliance on coal and hydropower. Accordingly, Vietnam aims to maximize electricity generation from renewable sources, particularly solar and wind.

Power source structure in Vietnam towards 2030 and 2050

電源 Power capacity 2030 Power capacity 2050
MW % MW %
太陽 46,459 – 73,416 25-31 293,088 – 295,646 35-38
Hydro 33,294 – 34,667 15-18 40,624 5
Onshore and nearshore wind 26,066 – 38,029 14-16 84,696 – 91,400 11
石炭火力発電 31,055 13-17 0 0
Storage power source 10,000 – 16,300 5-7 95,983 – 96,120 11-12
Offshore wind 6,000 – 17,032 3-7 113,503 – 139,097 15-17
Nuclear power 4,000 – 6,400 2-3 10,500 – 14,000 1-2
Biomass 1,523 – 2,699 1 4,829 – 6,960 1
Waste-to-energy 1,441 – 2,137 1 1,784 -2,137 0.2-0.3
Other power sources 14,628-23,453 6-13 129,496-152,697 17-18
全体 183,291 – 236,363 100 774,503 – 838,681 100

Source: Decision 768/QĐ-TTg

Vietnam initially used generous feed in tariffs (FiTs) from 2019 to 2021 to jumpstart solar and wind. Wind capacity rose from 53 MW in 2013 to about 5,888 MW in 2023. Grid bottlenecks then caused about 1.3 billion kWh of solar curtailment in 2022. Policy now pivots to sustainable growth through grid upgrades, a 2024 direct power purchase agreement for sales to large users, and promotion of storage, grid digitalization, and rooftop solar with a goal of 50 percent of buildings by 2030. The regime is moving from fixed FiTs to competitive auctions, while incentives such as tax holidays and import duty exemptions remain to attract foreign capital and expertise.

Main Players in Vietnam’s Renewable Energy Market

Historically, foreign investors have been the primary drivers of Vietnam’s renewable rollout. Companies from Thailand, Singapore, Japan, and elsewhere brought in capital and technology to build early solar farms and wind parks. However, it also raised questions about domestic companies’ role in large projects. Now the trend is shifting as Vietnamese powerhouses step up. Several local conglomerates (Vingroup, Trungnam, TTC, BIM, etc.) are aggressively expanding in clean energy.

いいえ 会社 設立 本部 Profile
1 Vietnam Electricity (EVN) 1995 ハノイ市 「Vietnam's State-owned utility monopoly (generation, grid, retail). Controls most of Vietnam’s power infrastructure and is the sole off taker for IPP projects. EVN operates large hydro plants and is critical for integrating new renewable capacity.
2 Vingroup (VinEnergo) 1993 ハノイ市 「Vietnam's Vietnam’s largest conglomerate (real estate, retail, auto) entering energy via VinEnergo (launched 2024). Plans massive solar and wind projects (e.g. proposed 4.5 GW offshore wind)[4], signaling growing domestic investment in renewables.
3 Trungnam Group 2004 ハノイ市 「Vietnam's Leading private energy developer in Vietnam. Built some of the biggest renewable projects, including a 450 MW solar farm and the country’s largest wind farm (400 MW Ea Nam in Đắk Lắk)[5]. Also invests in grid infrastructure and battery storage.
4 TTC Group (Thanh Thanh Cong) 1979 ホーチミン市 「Vietnam's Diversified conglomerate (sugar, real estate, energy). Through its energy arm (TTC Energy/GEC), TTC has developed solar farms and wind projects. Partnered with foreign investors like Gulf (Thailand) on solar plants[6] and owns wind projects (e.g. 300 MW in Bạc Liêu)[7].
5 Bamboo Capital (BCG) 2011 ホーチミン市 「Vietnam's Emerging conglomerate focusing on infrastructure and renewable energy (via BCG Energy). Has invested in multiple solar farms (e.g. Phù Mỹ solar complex) and wind projects. BCG often collaborates with international partners; aims to expand its clean energy portfolio nationwide.
6 BIMグループ 1994 ハノイ市 「Vietnam's Major private conglomerate (real estate, agriculture) with a renewables division. Developed one of Vietnam’s largest solar farms (330 MW in Ninh Thuận) in partnership with ACEN of the Philippines[8]. BIM is expanding into wind power and other green projects as well.
7 ガルフ・エナジー・デベロップメント 2011 Bangkok タイ One of Thailand’s largest power companies, actively investing in Vietnam’s energy sector. Gulf has stakes in various projects – from solar farms in Tây Ninh (joint venture with TTC Group)[9] to onshore and offshore wind farms (e.g. 310 MW offshore wind in Bến Tre)[10].
8 B.Grimm Power 1878 Bangkok タイ Thailand’s oldest infrastructure conglomerate, operating many power plants. B.Grimm was an early foreign investor in Vietnam’s solar sector – for example, it co-developed the 420 MW Dau Tieng solar cluster (one of Asia’s largest) – and continues to explore new renewable projects in Vietnam.
9 ACEN (Ayala Corporation) 2011 Manila フィリピン The Ayala Group’s energy arm and a leading renewable investor in Southeast Asia. ACEN has ~7 GW in renewables and entered Vietnam by co-developing solar and wind projects. It partnered with BIM Group to build 330 MW of solar capacity in Ninh Thuận[11] and has stakes in multiple wind farms (e.g. 40 MW Mũi Né wind).
10 Orsted A/S 2006 Fredericia Denmark World’s largest offshore wind developer. Orsted is exploring Vietnam’s offshore wind potential, having signed agreements with local partners (e.g. T&T Group) to study giant offshore wind farms along Vietnam’s coast. Though projects are in preliminary stages, Orsted’s involvement brings valuable expertise and confidence to Vietnam’s nascent offshore wind segment.

Sources: B&Company compilation

Another insight is the breadth of the market – spanning solar PV (both utility-scale and rooftop), onshore wind, and the frontier of offshore wind. Different players specialize in different segments. For instance, some companies (like B.Grimm or ACEN) focus on solar and onshore wind farms, whereas Orsted and CIP (Denmark) target offshore wind opportunities. The main utility EVN underpins the entire sector, as all projects ultimately connect to EVN’s grid and sell power to it under long-term PPAs. Any investor must work within the EVN single-buyer model and its evolving regulations.

Opportunities and Challenges in Vietnam’s Renewable Energy Market

Entering Vietnam’s renewable energy market offers tremendous promise but also comes with pitfalls to navigate. Foreign investors should weigh the following opportunities and challenges to approach the market:

Key Opportunities

Booming Energy Demand Vietnam’s electricity demand is forecast to grow ~10–12% annually through 2030[12]. This growth, plus government limits on new coal plants, creates huge room for renewables to expand. Projects that can deliver reliable power will find a ready market and high utilization rates.
Abundant Natural Potential Vietnam has world-class renewable resources. Solar radiation is high in the south, and offshore wind potential is estimated at 311 GW – among the largest globally[13]. This unparalleled resource base means Vietnam could host many gigawatts of profitable solar farms and wind parks, including large offshore wind farms that few other ASEAN nations can support.
Government Support & Net-Zero Goal The government’s policy environment remains very supportive. Incentives like tax holidays, land rent exemptions, and low import duties for renewable equipment are available[14]. Vietnam’s commitment to net-zero emissions by 2050 (pledged at COP26) and PDP8 targets indicate strong political will to favor clean energy projects[15]. Foreign investors with long-term vision can benefit from a generally favorable, stable policy trend (despite short-term adjustments as FiTs evolve to auctions).
Untapped Segments Beyond grid-scale plants, segments like rooftop solar, battery storage, and green hydrogen are nascent and encouraged by policy[16]. Foreign investors can carve niches in providing advanced solutions (e.g. storage systems, smart grid tech) that Vietnam is incentivizing to improve grid resilience and integrate renewables.

Key Challenges

Regulatory Uncertainty While Vietnam’s direction is pro-renewables, policy details can shift. The transition from fixed FiTs to an auction model introduced uncertainty in project economics[17]. Procedures for project approvals, PPA negotiations, and tariff setting can be lengthy and bureaucratic. Investors must stay agile and informed as regulations (e.g. auction rules, grid codes) are still evolving. Regulatory inconsistency or delays in implementation remain a top concern[18].
Grid Infrastructure Constraints The power grid is underdeveloped relative to the rapid renewables growth. Many solar/wind projects face curtailment due to transmission bottlenecks[19]. The weakest links are in exactly the regions with richest renewable resources (central and southern Vietnam). Until grid upgrades catch up (which government is addressing, but will take time), new projects risk output curtailment or connection delays. Foreign investors should factor in grid expansion timelines and possibly invest in or advocate for grid improvements as part of project planning.
PPA and Bankability Issues Vietnam’s standard PPA for renewables has been criticized for lacking certain investor protections (e.g. no sovereign guarantee for EVN’s payment obligations, dispute resolution difficulties). While many projects still secured financing, these contractual and currency risks can raise financing costs. Investors might face challenges in raising non-recourse project finance unless these terms improve or are mitigated by guarantees.
Land and Permitting Hurdles Securing land rights and permits can be complex. Renewable projects must undergo environmental impact assessments, and offshore wind requires extensive marine spatial planning. Overlaps with local communities (fishing zones for offshore, farmland for solar) can lead to social opposition if not managed. For example, some wind farms had to conduct lengthy community consultations before proceeding. Foreign developers must navigate local land acquisition and stakeholder engagement carefully, often relying on local partners to handle on-the-ground issues.

Implication for Market Entry in Vietnam’s Renewable Energy Market

Vietnam’s renewable energy market presents a compelling opportunity for foreign investors to participate in one of Asia’s fastest energy transitions. Success will depend on understanding the local market intricacies: aligning with government plans, collaborating with local stakeholders, and mitigating infrastructure and regulatory risks.

– Priority sectors: include wind power, solar power, commercial and industrial rooftop solar, battery energy storage, grid digitalization. The strong regional opportunities are the south-central corridor such as Binh Thuan, Ninh Thuan, and Ba Ria–Vung Tau for wind and solar; the Mekong Delta coast such as Soc Trang, Tra Vinh, Ben Tre, Bac Lieu for nearshore and offshore wind; the southeast solar belt of Tay Ninh, Binh Phuoc, Long An, and An Giang for large solar paired with storage; the northern industrial cluster of Bac Ninh, Bac Giang, Hai Phong, Hai Duong, Thai Nguyen, and Quang Ninh for scalable rooftop portfolios.

– Partner with Credible Local Firms: Form joint ventures or partnerships with established Vietnamese companies can assist in navigating regulatory processes, land acquisition, and community relations, while also meeting government expectations for local participation. Successful market entrants often emulate this approach of “localization” – blending foreign capital and tech with domestic stakeholder engagement.

– Focus on Grid-friendly Solutions: Given grid constraints, investors who incorporate solutions (energy storage, grid upgrades, or hybrid projects combining solar, wind, and storage) will have an edge in project approval and performance. Engaging with EVN and authorities on grid integration plans – or investing in dedicated transmission for your project – can mitigate curtailment risk. Vietnam is encouraging projects with batteries or those near consumption centers[7], so tailoring proposals accordingly improves success likelihood.

– Long-Term Commitment and Flexibility: Building relationships with regulators (e.g. Ministry of Industry and Trade, ERAV) and staying adaptable to policy changes is crucial. Patience may be needed during policy transitions (such as tariff adjustments or lengthy approval queues).

B&Company株式会社 is a Japan-owned market research and investment consulting firm based in Vietnam, helping foreign investors enter and scale in the Vietnamese market with confidence. Drawing on deep local insight into the Vietnam renewable energy market and a trusted network of partners, we support investors through:

– Market research reports: An up-to-date market view (size, policy, grid, competition) with clear go/no-go recommendations and prioritized provinces and sectors.

– Partner search in Vietnam: Long-list to short-list of partners, reputation checks, and curated meetings to secure a joint-venture partner.

– M&A advisory: Deal sourcing and due diligence support (technical, commercial, legal, and ESG)

 

*ご注意: 本記事の情報を引用される場合は、著作権の尊重のために、出典と記事のリンクを明記していただきますようお願いいたします。

B&Company株式会社

2008年に設立され、ベトナムにおける日系初の本格的な市場調査サービス企業として、業界レポート、業界インタビュー、消費者調査、ビジネスマッチングなど幅広いサービスを提供してきました。また最近では90万社を超える在ベトナム企業のデータベースを整備し、企業のパートナー探索や市場分析に活用しています。

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