Contributing to a low-carbon future

Sixent Consulting supports the transition to clean energy and sustainable mobility by providing strategic consulting for project development, feasibility assessments, and business model design.

Sixent's offering

Through technical expertise and strategic consulting, we enable the successful development of clean fuels, renewable energy, and sustainable mobility projects.

For companies aiming to reduce their carbon footprint

Companies today face increasing pressure to adopt sustainable business practices while managing costs and regulatory compliance. Sixent Consulting helps businesses identify and implement cost-effective clean energy solutions that enhance operational efficiency and long-term competitiveness. 

For investors seeking decarbonization opportunities

Investors exploring the clean energy sector often encounter market uncertainties, emerging technologies, and complex financing structures. We provide market intelligence, business model development, and access to sustainability-linked financing to help de-risk investments.

For governments and multilateral organizations

Public sector entities play a critical role in shaping the future of clean energy adoption. We work with governments, development banks, and multilateral organizations to design effective policies, implement strategic roadmaps, and manage energy transition funds. 

Services

At Sixent Consulting, we provide specialized consulting services tailored to the needs of companies, investors, and governmental or multilateral organizations seeking to advance clean fuels, sustainable mobility, and renewable energy projects. Our services are structured into three key categories to address the technical, financial, and policy dimensions of decarbonization projects:

Resource Mapping and Infrastructure Assessment
✔ GIS-based resource mapping for renewable energy potential (solar and wind).
✔ Infrastructure assessment for project siting, grid connectivity, and logistics.
✔ Supply chain and transportation analysis for green hydrogen and alternative fuels.

System Design & Engineering
✔ Process flow diagrams (PFD) and piping and instrumentation diagrams (P&ID) for hydrogen and energy systems.
✔ Sizing and dimensioning of wind and solar plants, BESS, electric vehicle charging systems, and hydrogen generation, storage, and dispensing systems.
✔ Energy demand modeling and load balancing for clean energy integration.

Technology and Feasibility Studies
✔ Techno-economic feasibility studies for renewable energy, hydrogen, alternative fuels, and energy storage projects.
✔ Technology benchmarking and selection for clean energy infrastructure.
✔ Lifecycle assessments (LCA) and carbon footprint calculations.

Financial Modeling and Risk Assessment
✔ Cash flow modeling and return-on-investment (ROI) analysis.
✔ Cost-benefit analysis for clean fuel adoption in industries and transport.
✔ Risk assessment and mitigation strategies for investors and project developers.

Investment and Capital Structuring
✔ Identifying and securing project funding from investors, banks, and climate funds.
✔ Structuring green financing mechanisms such as sustainability-linked bonds, carbon credits, and blended finance.

Market and Business Strategy
✔ Market intelligence reports on hydrogen, alternative fuels, and emerging energy trends.
✔ Commercialization strategies for clean energy technologies and business models.
✔ Business case development for corporate sustainability investments.

Regulatory and policy analysis
✔ Evaluation of existing regulatory frameworks for clean fuels and renewable energy.
✔ Policy gap analysis and recommendations for energy market reform.
✔ Design of incentive mechanisms for decarbonization initiatives.

Stakeholder engagement and capacity building
✔ Organization of stakeholder consultations and roundtables.
✔ Facilitation of public-private dialogue for energy policy development.
✔ Capacity-building workshops for policymakers and industry leaders.

Strategic roadmaps and action plans
✔ National and regional hydrogen strategy development.
✔ Implementation roadmaps for energy transition policies.
✔ Knowledge-sharing and best practice transfer from global case studies.

About the founder

Esteban Echeverría Fernández | Renewable Energy and Clean Fuels Advisor

With over 12 years of experience in clean energy, Esteban has worked across Latin America, Africa, and Asia, helping companies, governments, and organizations develop low-carbon solutions. His expertise spans hydrogen, alternative fuels, and renewable energy project development. Esteban has led feasibility studies, market research, and strategic planning for renewable energy and clean fuel projects. His background includes collaborations with multilateral organizations, development banks, and private-sector leaders in the energy transition. 

Throughout his career, Esteban has been instrumental in several high-impact projects and initiatives, including:

✔ Contributed to the development of Costa Rica’s first hydrogen infrastructure – He was part of the team of engineers in charge of the design and installation of the country’s first hydrogen production, high-pressure storage, and refueling facility for fuel cell vehicles.

✔ Assisted in executing major financing projects for Costa Rica’s electricity sector – As part of the IDB’s Energy Division, he assisted in executing and managing over $385 million in sovereign loan operations and $2 million in Technical Cooperations for the modernization of the country’s energy infrastructure.

✔ Supported the creation of Costa Rica’s National Hydrogen Strategy – As part of the IDB’s Energy Division, he assisted in designing and executing the Technical Cooperations for the Development of the National Hydrogen Strategy for Costa Rica.

✔ Supported the creation of Panama’s National Hydrogen Strategy – Worked with the United Nations Environment Programme (UNEP) and the National Energy Secretariat of Panama to design enabling policies and assess market potential.

✔ Coordinated the Costa Rican Hydrogen Alliance – Managed an industry group of over 35 members, advocating for clean hydrogen policies and fostering collaboration between key stakeholders.
 
✔ Led feasibility studies for small to large-scale hydrogen and ammonia projects – Conducted techno-economic and resource assessments for international projects in Costa Rica, Morocco, Bhutan, and Uzbekistan, identifying optimal sites for clean fuel production.

Why choose Sixent?

  • Expert knowledge in clean fuels and renewable energy – We help businesses and governments navigate the complexities of renewable energy, clean fuels such as green hydrogen and ammonia, and sustainable mobility with a focus on financial and regulatory feasibility.
  • A global perspective with local insight – Leveraging experience from projects across Latin America, Africa, and Asia, we tailor solutions based on proven best practices.
  • Integrated project development – Our approach combines feasibility assessments, infrastructure planning, and policy advisory to turn concepts into real-world projects.

Let's Build a Low-Carbon Future Together!

The clean energy transition is happening now. Whether you are a business looking to reduce your carbon footprint, an investor exploring new opportunities, or a government agency developing sustainability policies, Sixent Consulting can help. Let’s collaborate to create impactful, real-world solutions.