Indonesia's Leading Carbon, Green Finance & Sustainability Group
Explore Our Work Partner With UsWe empowers environmentally-driven projects and businesses through strategic investments that create long-term value for communities, ecosystems, and the planet.
25+
Years of ExperienceUSD 100M+
Green Finance Portfolio15+
Multilateral Clients (World Bank, UNOPS, OECD, GGGI, ADB, GIZ, UNDP)10+
Policy Papers PublishedClients & Partners We Have Worked With
Our Work
Carbon Feasibility Study — Central Sulawesi Forestry
Carbon potential feasibility study, stakeholder training, and PDD roadmap for forestry and agroforestry sites in Central Sulawesi.
2023 - 2025 - CarbonOur Work
Renewable Energy Transition De-risking in Indonesia
Financial assessment and policy review of de-risking instruments to accelerate RE transition in Bali and Nusa Tenggara Barat.
2024 - AdvisoryOur Work
Study on the Financial Implications of the Early Retirement of Coal-fired Power Plants in Indonesia
Financial assessment and policy review of de-risking instruments to accelerate RE transition in Bali and Nusa Tenggara Barat.
2022 - AdvisoryOur Work
Biomass IPP Project Finance — USD 25 Million
Led full project financing for a 10 MW biomass independent power producer in South Sulawesi. Completed and subsequently acquired by Pertamina.
2013 - Renewable EnergyOur Work
KfW Two-Step Loan — RE & Energy Efficiency (BNI)
Structured blended finance two-step loan from KfW (German Development Bank) channelled through BNI for RE and EE lending in Indonesia.
2011 - Green FinanceLajeng is an independent sustainability group based in Jakarta, Indonesia.
Through our advisory practice and portfolio companies, we deliver carbon market development,
green project finance, climate policy design, and sustainable business solutions across
Indonesia and the Asia-Pacific region.
Our advisory team brings over 25 years of hands-on experience working with the World Bank,
UNOPS, OECD, GGGI, Asian Development Bank, GIZ, and UNDP — as well as Indonesian government
ministries, independent power producers, and private sector corporations. We have structured
green finance transactions totalling over USD 100 million and authored 10+ policy papers that
have directly shaped national and international climate initiatives.
Core Capabilities
Enable Long-Term Sustainable Growth
Helping businesses and communities achieve resilience, responsible development, and enduring environmental value.
Champion Green Innovation
Supporting cutting-edge technologies and sustainable solutions that accelerate environmental progress.
Drive Renewable Energy Transformation
Advancing clean energy adoption through strategic investments in solar, wind, and other renewable technologies.
Strengthen Nature Conservation & Ecosystem Restoration
Investing in programs that protect biodiversity, restore natural habitats, and preserve vital ecosystems.
Our services focus on promoting sustainable practices that make decision-making easier, enhance strategic direction, and foster continuous growth.
Responsible Investing
Environmental Stewardship
Measurable Impact
Long-term Value Creation
Meet the People Behind Lajeng
At Lajeng, we believe a focused team can create meaningful impact. These are the people who bring our vision to life.
Founder & Managing Director | Lead Advisor
Senior economist and sustainability strategist with 25+ years at the intersection of carbon markets, green finance, and climate policy. Trusted advisor to the World Bank, UNOPS, OECD, GGGI, ADB, GIZ, and UNDP. Structured USD 100M+ in green finance transactions. Author of 10+ policy papers shaping Indonesia's energy transition.Senior Researcher
Senior researcher specializing in renewable energy, climate action, carbon markets, and sustainable development. Leading research and assessments on energy transition, carbon trading, agroforestry, and sustainability for international organizations, government institutions, and private sector clients. Combines strong analytical capabilities with expertise in sustainability frameworks, carbon certification standards, and climate finance.Investment Analyst
Investment analyst with experience in financial analysis, market research, and ESG due diligence across consulting and financial services. Contributed to regulatory and sustainability projects at BDO Consulting Indonesia and supported investment trend analysis at tanamduit. Exchange scholar at Nagoya University focusing on econometrics, business strategy, and sustainable finance.Researcher
Expert Carbon & Green Finance Consulting
Led by Abinanto — senior economist and sustainability strategist with 25+ years of experience advising the World Bank, UNOPS, OECD, GGGI, ADB, GIZ, and UNDP — our advisory practice delivers evidence-based, finance-driven solutions for organisations navigating Indonesia's energy transition and climate commitments.
Our Companies
Lajeng Advisory
Carbon market, green finance & sustainability policy advisory. Senior consulting services for multilateral institutions, government bodies, and private sector corporations.Goni Goni
Waste management and circular economy solutions. Transforming waste streams into sustainable resources for communities and businesses across Indonesia.Energi Infrastruktur Indonesia
Renewable energy project development and energy efficiency solutions — solar PV, biomass, and clean energy infrastructure across Indonesia.Explore the projects and sustainability investments we've backed
Ready to Start Your Carbon or Green Finance Project?
Explore collaboration, investment prospects, or expert advice on sustainability.
Contact us for a free initial consultation. We respond within 24 hours