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Yohanes Masengi

Yohanes Masengi

Managing Partner

A senior legal practitioner with more than two decades of cross-sectoral expertise in M&A, corporate structuring, infrastructure development, and regulatory compliance, Yohanes Masengi is an experienced legal counsel trusted by leading multinationals, SOEs, and global investors. 

Adept at leading legal teams, structuring high-value and complex transactions, and navigating Indonesia’s evolving regulatory and investment frameworks, Yohanes Masengi is the founding partner of Corra Legal. He brings two decades of experience as a lawyer, having previously served in major law firms where he led high-stakes mandates across the infrastructure, energy, and corporate sectors.

Masengi led the restructuring of Indonesia’s sole state-owned electricity company, PT PLN (Persero), overseeing the transfer of 21,352MW of power generation assets worth IDR 330 trillion (USD 21 billion) and the creation of four sub-holding companies, a transformative effort to enhance efficiency and accelerate Indonesia’s renewable energy transition. He also served as legal advisor for PT PLN Indonesia Power in the Hijaunesia 2023 Project, guiding the procurement of 1,055MW of solar and wind power projects, solidifying his position as a key figure in Indonesia’s energy sector.

Yohanes has also contributed to Indonesia’s energy transition and electric vehicle ecosystem, assisting investors in the battery market and renewable power plant sector M&As.

Recognition

Asia Business Law Journal

Asia Business Law Journal

A-List Top 100 Lawyers Indonesia (2025). 50 Future Legal Leaders (2023)
Legal 500

Legal 500

Next Generation Partner: Projects & Energy (2020–2021)
HukumOnline

HukumOnline

In-House Counsel Choice 2023 - Most Recommended Lawyer
ALB Indonesia

ALB Indonesia

Rising Star (2019–2020)
IFLR1000

IFLR1000

Notable Practitioner 2024 Highly rated for providing “detailed, practical, and flexible solutions”
Acknowledgements

Finance Director of Givaudan Jakarta says Masengi is “a reliable individual who always provides the required support instantly, which is a great help for our organisation as we have to navigate the maze of the local regulatory environment”

“He clearly has a thorough understanding of the legal framework in Indonesia and he is always ready to help, or can mobilise the right person from his team to ensure that no questions remain unanswered.”

Mayer Brown’s partner in Singapore says Yohanes Masengi “stands out from the crowd.”

“Yohanes is a leading lawyer in the natural resources space, particularly with minerals mining and processing,” says Tan. “He clearly knows the sector well.”

 

Select career highlights

Led PLN’s USD 21 billion restructuring,

which involved the spin-off and transfer of 21,352 MW of generation assets and the establishment of four sub-holding companies. The project required managing regulatory reform, corporate reorganization, workforce transfer, and large-scale asset integration, serving as a model for SOE transformation in Indonesia.

Acted as the legal advisor for PT PLN Indonesia Power in the Hijaunesia 2023 Project,

guiding the procurement of 1,055MW of solar and wind power projects, solidifying his position as a key figure in Indonesia’s energy sector.

arrangements, construction, and land acquisition and leasing across multiple project locations, including legal advice on regulatory compliance and transaction structuring.

Advised and assisted various electronic vehicle (EV) car manufacturing companies

in setting up their presence in Indonesia, including, among others Geely Automotive, Foton Marubeni (Hong Kong) Co., Ltd., and Chery Motors.

Acted as the legal counsel of PT Piaggio Indonesia (PID)

in various matters relating to its business.

Represented PT Perusahaan Listrik Negara (Persero)

as its project legal advisor in the preparation of the business model, tender documents, evaluation, and execution of the procurement of ten (9) potential IPP Projects of solar photovoltaic power plants (PLTS) and one (2) wind power plants (PLTB), ranging from 0.6 MW to 100MW in Indonesia.

Acted for one of the largest PRC-based battery manufacturers

in connection with its investment plan in Indonesia’s battery sector. The engagement involved advising on the formation of joint venture companies, structuring battery manufacturing operations, power supply.

Assisted ACEN Group (Philippines)

in multiple wind and solar project M&A transactions across Indonesia, including a 49% stake acquisition from UPC Renewables and land acquisitions for 244 ha solar projects in East Kalimantan.

Represented Norinco International (China)

and multiple Chinese SOEs in acquisition and investment structuring for mining services and mineral downstreaming operations in Indonesia.

Acted for PT Indonesia Infrastructure Finance

in project finance for renewables and energy projects, covering legal due diligence, credit documentation, collateral structuring, and regulatory compliance up to financial close.

Advised CNGR Advanced Materials (China)

 

on the proposed joint venture with PT Aneka Tambang Tbk for a 5,000 Ha industrial estate and nickel smelter facility. Led regulatory structuring, joint venture formation, and land acquisition due diligence.

Represented Walsin Group and Walsin Lihwa (Taiwan)

in multiple acquisitions and joint ventures in the nickel smelting sector within Morowali and Weda Bay industrial parks, involving equity structuring, investment licensing, and local compliance strategy.

Counseled PT Pertamina Hulu Energi

on legal structuring for CCS/CCUS implementation in support of decarbonization targets, a major cross-disciplinary legal initiative combining upstream operations with energy transition regulation.

Advised PT Saka Energi Indonesia (a PGN subsidiary)

in the renegotiation of geological survey and drilling rig contracts, focusing on regulatory risk, compliance with oil and gas regulations, and long-term contract viability.

Successfully managed complex multijurisdictional joint ventures,

 

ensuring regulatory compliance, local structuring, and commercial viability.

Advised a Japanese real estate company

on land acquisition and due diligence for residential and industrial development, including a 5.5 ha acquisition in Tangerang.

Advised major Chinese, Japanese, and Singaporean investors

on acquisitions, joint ventures, and greenfield/brownfield development in energy, battery, mining, and industrial park sectors.

Represented leading clients in high-value M&A,

including legal due diligence, structuring, shareholder arrangements, land acquisition, and regulatory advice.

Developed and led client-facing legal strategies

for energy transition initiatives including solar, wind, geothermal, and hybrid power projects across Indonesia.

Directed legal teams

across numerous infrastructure and resource sector deals, consistently building long-term client relationships and securing repeat mandates.

Key Transactions & Experience
Corporate M&A and Land Acquisitions
  • Represented the Indonesian state-owned electricity company, PT Perusahaan Listrik Negara (Persero) (PLN), to conclude a major restructuring, involving the transfer of 21,352MW of power generation assets of around IDR330 trillion (USD21 billion) and forming four sub-holding companies. The establishment of the sub-holdings is aimed at transforming PLN’s business model and accelerating the transition to renewable energy, as well as creating a more agile and efficient structure. The works involve a series of spinoffs, acquisitions, transfers of assets/businesses, human resources, licences, change in regulatories, information technology, and other organisation restructuring, and also the preparation of the corporate charter as well as service level agreement documents for the governance of PLN Group Companies.
  • Represented ACEN Investments HK Limited in conducting legal due diligence on 3 target companies engaging in wind power projects in Indonesia in relation to the acquisition of 49% shares from UPC Renewables group companies, and advised on shareholders agreements

originating from petroleum (the Target Company). The transaction includes providing legal services in connection with the planned acquisition of a target company, specifically conducting due diligence from a legal perspective on the corporate, licensing, assets, employment aspects of the target company, including providing legal advice relevant to the planned acquisition as well as relevant transaction documents.

  • Advised an Indonesian tourism and real estate state-owned enterprise on asset divestment options and land acquisition located in Special Economic Zones. The works involve providing advice on the procedure on asset divestment on a
  • Assisted and advised PLN and PT PLN Energi Primer Indonesia, as part of PLN’s Holding and Sub-Holding restructuring, with regard to the structuring of PT PLN Energi Primer Indonesia as PLN’s Sub-Holding to supply or arrange the primary energy supply needs (including LNG) to all the power plants in PLN Group. The work involves a series of transfers of assets/businesses, licenses, change in regulatory, agreements, advice on the business model from the legal perspective, and also coordinating with the relevant counterparties and governments.
  • Advised KAB Energy Holdings Sdn. Bhd. on the acquisition of PT Inpola Mitra Elektrindo (PT IME), the owner of the Lae Kombih 3 PLTM located in Lae Kombih, Mahala Village, Tinada District, Pakpak Bharat Regency, North Sumatra, Indonesia with an installed capacity of 8MW (2x4 MW). This transaction involves a legal due diligence on PT IME.
  • Advised one of the largest Middle-East based LNG trader in relation to its investment plan in Indonesia through the acquisition of shares of companies engaged in the organic basic chemical industry
  • Assisted Givaudan Indonesia in the land acquisition for the expansion of its manufacturing plant in Indonesia.
  • Represented AEON Delight, a member of AEON Group Companies in acquiring PT Sinar Jernih Sarana, which becomes a pioneer project for a foreign investment company to engage in the

Advised RB Food (Thailand), particularly on its Indonesian subsidiaries, namely: (i) PT RBFood Supply Indonesia, a trading company; and (ii) PT RBFood Manufaktur Indonesia, a manufacturing company, in respect of importing raw materials of food and perfume for trading and manufacturing in Indonesia.Right-to-Manage lands, including approval process from the relevant stakeholders as well as advising on the procedure and approval process for land acquisition.

Advised an Indonesian tourism and real estate state-owned enterprises for legal analysis on its land utilization and development agreement with a developer in Bali, Indonesia.

  • Assisted ACEN Indonesia Investment Holdings Pte. Ltd. in reviewing and conducting due diligence on land-related documents for the purpose of land acquisition with a total area approximately of 244 ha in Kutai, East Kalimantan
  • Represented Tamaris Hydro on the acquisitions of various hydro and mini hydro companies.
  • Represented GDF Suez and Sumitomo Corporation in the acquisition of majority stake in two (2) geothermal projects from PT Supreme Indonesia.
  • Advised Tenma Group in the acquisition of PT Hyuk Jin Indonesia by Tenma Group by way of share transfer.
  • Represented PT Toba Bara Energi in the acquisition of local portion shares of Paiton Energy from PT Saratoga Investama Sedaya.
  • Acted as the legal counsel of PT Piaggio Indonesia (PID) in various matters relating to its business. Integrated facility services that provides around 10,000 manpower to more than 300 clients across Indonesia
  • Represented various companies in relation to their corporate legal actions, including to advice various issues in relation to the general corporate matters, preparation of the joint venture agreement and/or shareholders agreement, among PT Summit Niaga (a subsidiary of Sumitomo Corporation), PT Central Java Power (a subsidiary of Sumitomo Corporation), PT Cirebon Electric Power (a subsidiary of Marubeni Corporation), Tripatra Group (power division), PT Terminal Petikemas Surabaya (a joint venture port operator between DP World and Pelindo III), Marubeni Corporation (telecommunication division), and Givaudan Group Companies.
  • Ácted as the Indonesian counsel of Apave in acquiring operational assets and know-how from ABS Group, strengthening Apave’s presence in14 countries across Asia and the Middle East.
  • Advised multiple electronic vehicle (EV) car manufacturing companies in setting up their presence in Indonesia, among others Geely Automotive, Foton Marubeni (Hong Kong) Co., Ltd., and Chery Motors.
  • Assisted in land acquisition and structuring for solar, wind, and industrial projects including Kutai and Tangerang locations.
Joint Ventures and Investment Structuring
  • Represented Shandong-based company as its local legal counsel to advise with respect to the proposed investment in establishing various joint venture companies with various joint venture partners in establishing smelting facilities, alumina refinery, bauxite concessions, industrial areas, power plants and dock operator in various locations in Indonesia. This transaction includes providing legal assistance to Shandong-based company in relation to plans to establish a joint venture company in Indonesia, specifically providing legal advice regarding the company structure and regulatory framework in the field of alumina refining industry, mining concessions, industrial estates, power plants and jetties and other relevant legal advices.
  • Represented a major coal Chinese state-owned company in relation to its investment plan in an Indonesian coal mining company located in South Kalimantan. This transaction includes but is not limited to conduct legal due diligence and provide legal advice regarding the legally feasible scheme and regulatory framework in the field of mining concessions, industrial estates, power plants and jetties, construction in mining sector, and land acquisition as well as other relevant legal advices.
  • Represented one of the largest corporations from Japan with respect to the proposed investment on nickel refinery company located in Weda Bay industrial park, including due diligence, acquisition of a number of Indonesian coal mining companies and subsequent joint ventures arrangements.
  • Represented Shandong-based company to advise with respect to the proposed investment in establishing various joint venture companies with one of the electric motor pioneers in establishing smelting facilities, alumina refinery, bauxite concessions, mining services and dock operator.
  • Assisted Walsin Group companies in various transactions regarding its investment in Indonesian with various joint venture partners, including but not limited to establishing joint ventures and acquiring companies engaged in the energy and mineral resources sector (various mining companies and nickel smelting companies located in the Morowali and Weda Bay industrial parks). This transaction involves legal due diligence, legal advice, and drafting and/or review of agreements related to the planned transaction, including but not limited to shareholder agreements, review of the articles of association of joint ventures, review of shares subscription agreements, as well as advice related to investment structure
  • Assisted Weigao International Holding Corporation Pte. Ltd, one of the largest Chinese largest medical equipment manufacturers to establish its presence in Indonesian , including to establish a joint venture company in Indonesia, land acquisition and review and legal advice related to the letter of intent or joint venture agreement, and other legal advice relevant to the investment plan.
  • Assisting a Chinese company engaging in yeast production business in relation to its plan to establish a joint venture company with Indonesian local company, to engage in the business of manufacturing, processing, and selling yeast and yeast derivatives in Indonesia, including reviewing the joint venture agreement.
  • Assisting Keda Industrial Group Co. Ltd. for its presence in Indonesia.
  • Assisted Keda (Anhui) Clean Energy Co., on the acquisition of a construction company in Indonesia.
  • Assisting Geely Automotive for its investment and presence establishment in Indonesia.
  • Assisting the largest Chinese major battery manufacturer group companies with regard to the investment plan in Indonesia in battery-related sector by establishing joint venture companies, including the structure of battery manufacturing business, power supply, construction, land acquisition and/or lease in various locations for the development of the industry and other legal advices.
Energy, Power & Infrastrusture
  • Represented PT PLN Indonesia Power in Hijaunesia 2023 Project as its legal advisor in the preparation of the business model, tender documents, evaluation and execution of the procurement of twelve (12) potential IPP Projects of solar power plants (PLTS), ranging 50MW to 100MW and one (1) wind power plant (PLTB), 55MW in capacity, in Indonesia
  • Represented PT Perusahaan Listrik Negara (Persero) as its project legal advisor in the preparation of the business model, tender documents, evaluation, and execution of the procurement of ten (9) potential IPP Projects of solar photovoltaic power plants (PLTS) and one (2) wind power plants (PLTB), ranging from 0.6 MW to 100MW in Indonesia.
  • Represented PT Bhumi Jati Power (Sponsor being Sumitomo Corporation, the Kansai Electric Power Co, Inc., and PT Pamapersada Nusantara), on the development of a 2 x 1,000 MW (Tanjung Jati B 5&6) coal-fired power plant in Tanjung Jati B, Jepara, Indonesia. This work includes, among others, advising on various Indonesian legal aspects (including regulatory/licensing, corporate, structure,land purchase, financing, and Power Purchase Agreement), assisting in the land acquisition and negotiation with the landowners, assisting in the negotiation of the Power Purchase Agreement with PT PLN (Persero) and the Common Agreement with the lenders, and drafting of the Shareholders’ Agreement among the sponsors.
  • Represented PT Cirebon Energi Prasarana with regard to the development of a 1 x 1,000 MW coal fired steam power plant located in Cirebon. The consortium comprises of Marubeni Corporation,Korean Midland Power Co. Ltd., PT Indika Energi Tbk., Samtan Co. Ltd., and Chubu Electric Power Co. Inc., among others, to assist in the establishment and various corporate matters and licensing of the company, advising, drafting and reviewing of various project documents including the shareholders agreement, coal supply agreements and operation and maintenance agreement, and also the shareholders loan documents.
  • Advised PLN Icon Plus in the procurement and business model structuring for its beyond Kwh business.
  • Advised PLN and PT PLN Indonesia Power in IPP procurement, business model structuring, and energy supply reorganization.
  • Assisting the United Nations Office for Project Services (UNOPS) in developing a comprehensive study on a decarbonization of the captive power sector. Our scope of work includes a regulatory overview and advice on the pathways to effect transition to renewable energy and achieve net zero emission in the captive power sectors focusing on certain export-oriented industries.
  • Assisted and advised PT Pertamina Hulu Energi for the Implementation or Activities of CCS/CCUS to Achieve Decarbonization.
  • Provided legal assistance to PT Saka Energi Indonesia, a subsidiary of PT Pertamina Gas Negara, in the review and analysis of its existing geological survey and drilling rig contracts with multiple counterparties. The work focused on identifying potential legal risks related to contract extensions, ensuring compliance with applicable oil and gas regulations,and recommending improvements to contractual terms
  • Represented a client in advisory work in TUKS and Special Port for Oil and Gas KKKS for PT Pertamina (Persero).
  • Advised PT Pertamina Power Indonesia in the drafting of EPC Contracts for the development of hybrid power plant and electricity infrastructure in one of the biggest oil and gas blocks in Indonesia.
  • Represented ENI in the sale by ENI East Sepinggan Limited of a 10% participating interest in the East Sepinggan PSC.
  • Represented PT Toba Bara Sejahtera with regard to the development of its 2 (two) projects, namely: the Sulbagut 1 Coal Fired Steam power plant    (2 x 50 MW power plants) among others, to advise on various Indonesian legal aspects (including regulatory/licensing, structure, financing, Power Purchase Agreement negotiation and review of Engineering Procurement Construction Contracts and Shareholders’ Agreement as well as the assistance in the financing of the project); and the SULUT-3 Coal Fired Steam Power Plant (2 x 50 MW power plants) among others, to advise on various Indonesian legal aspects (including regulatory/licensing, structure, financing, Power Purchase Agreement negotiation and review of Engineering Procurement Construction Contracts and Shareholders’ Agreement as well as the assistance in the financing of the project).
  • Represented GDF Suez and Marubeni Corporation in the acquisition of majority stake in one (1) geothermal project from PT Supreme Indonesia.
  • Represented PT Cikarang Listrindo for advisory  work in electric power matters.
Project Finance
  • Represented PT Indonesia Infrastructure Finance (IIF) on the financing of various projects, including renewable energy and oil and gas financing. The transaction includes necessary preparations before the financing date is reached, including carrying out legal due diligence, drafting facility agreements, drafting collateral documents, as well as assistance for financial close.
  • Led due diligence, facility agreement negotiation, and closing for infrastructure financing.

 

 

Qualifications

Licensed to practice in Indonesia (PERADI) Languages: Bahasa Indonesia (Native), English (Professional Proficiency)

Publications & thought leadership
  • Contributor: Energy Projects for Practitioners (Atsumi Sakai)
  • (Atsumi Sakai) Contributor: Digest of the Commercial Laws of the World (Indonesia Chapter, Thomson Reuters, 2017–2021)