René Breitenbach
Energy Solution Engineer @Greenflash
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WORK HISTORY
Energy Solution Engineer @Greenflash
Munich, DE
Partnering closely with industrial and commercial customers from the very beginning to understand their current energy situation, discuss their desired future state, and jointly develop the most economical and sustainable energy solution. Conducting feasibility and profitability analyses for holistic energy concepts including photovoltaic systems, transformer stations, battery energy storage systems, and charging infrastructure.Acting as a trusted technical advisor, translating operational, technical, and economic requirements into integrated energy systems and long‑term operating strategies. Focus on maximising economic value through PV self‑consumption, spot market optimisation, peak shaving, atypical grid usage, and intelligent integration of charging infrastructure as a mobility lever.Continuously monitoring market developments, technology trends, and competitive landscapes to ensure recommendations remain future‑proof and economically sound. Structured handover to project management and Energy Asset Management to enable reliable implementation and continuous optimisation over the system’s lifetime.
EDUCATION
Marburg University
Bachelor of Science (B.Sc.), Chemie
Uppsala University
Master of Science (M.Sc.), Chemistry for Renewable Energy
ABOUT RENÉ BREITENBACH
I work at the intersection of engineering depth and commercial execution — turning complex technical challenges into scalable, certifiable solutions that create measurable value.With more than ten years in lithium‑ion batteries across the value chain, my experience spans cell technology, battery systems, compliance and validation, and global customer-facing roles. I’ve led cross-functional and international programs, aligned stakeholders across engineering, suppliers, customers and certification bodies, and translated requirements into execution-ready roadmaps — always focused on outcomes, traceability, and real-world deliverability.Today, I’m part of Greenflash as an Energy Solution Engineer, contributing to intelligent energy systems for industry and commercial customers. Greenflash’s approach resonates strongly with how I work: holistic thinking, economic impact, and implementation discipline — supported by cutting-edge technology that translates complex energy systems into tangible business advantages. What excites me most is using battery storage not as a passive component, but as an active tool to control energy flows and grid interaction with maximum economic effect. Connecting consumers and producers, using real-time data, and optimizing operational decisions is where engineering and economics truly meet — and where meaningful results are created.Across my career — from research to product development, from compliance and certification strategy to technical sales and key account work — one principle has stayed constant: challenges are inevitable, but progress comes from structured execution, technical credibility, and long-term partnerships built on trust.
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