Tayyab Ehsan Butt

- Co-lead analyst for green hydrogen value chain model for Estonia, comprising production, storage & supply, and consumption in different Estonian sectors. - Co-lead in the stakeholder consultations on the hydrogen roadmap for Estonia. - Energy system modeling for the Baltic-Finnish joint regional gas market. - Off-grid power production modeling for SEI's Gridless Initiative for climate-vulnerable communities. - Critical analysis of the Estonian district and local heating system.

- Desk research and analysis of offshore wind based renewable hydrogen energy systems. - Establishing knowledge management and analytical reports on hydrogen technology applications. - Dissection and analysis of Energy service companies (ESCOs).

- Techno-environmental analysis of green hydrogen production from biogas technologies. - Communication with different industrial partners and suppliers to produce system-level designs and expedited technological solutions for renewable hydrogen production from biogas while avoiding the involved biomethane upgradation process steps. - Technology readiness level (TRL) and business case evaluation of the pilot project. - Strategy development for renewable hydrogen market penetration.

- Environmental analysis and comparison of hydrogen production technologies. - Investigated processes: Steam methane and auto-thermal reforming with carbon capture & storage, methane cracking, and water electrolysis. - Analysis based on the collected data from 42 LCA publications. - System boundary homogenization of the LCA studies with the addition of the hydrogen compression and transport steps.

- Learnt different concepts of clean energy nexus (Power-to-X, Sector coupling, E-Fuels, Biofuels, Circular carbon economy, and Energy storage). - Master Thesis: Improved Meta-analysis of sustainability assessment of hydrogen production technologies. - Erasmus+ grants for internship mobility for Netherlands & Estonia.

- Learnt chemical engineering fundamental and core aspects namely, Process Engineering (Refinery processes, Gas Conditioning), Engineering Economics, Project Planning, and Management | Major: Natural Gas Upgradation Technologies. - Bachelor Thesis: Design of a membrane-based Natural gas purification facility (capacity: 165 MMSCFD). - CO₂ & N₂ removal with membrane technology, Cost, and HAZOP analysis.