CTO of Greendur
20+ year of R+D experience across Europe
- Responsible for funding acquisition
- Responsible for research coordination
- Responsible for technology development
- Responsible for commercial project technology
GREENDUR has developed a modular latent heat thermal energy storage (TES) system, the GreenBattery, a hot thermal battery for industrial process heat decarbonisation. Based on phase change material (PCM) technology, the GreenBattery stores 2 MWh of thermal energy and can release 500 kWt to deliver clean industrial heat up to 350°C on demand. GreenBattery deployments and demonstrations: 🏗️ Paint curing oven for Comansa crane manufacturer (160 kWh pilot, 2023) 🔋 2 MWh commercial unit: design complete, build targeted Q4 2026 📈 LOIs from Comansa, ROVALMA, S.A., VIRTO Group & Gonvarri Industries CORPORATE HISTORY 2020 -- GREENDUR founded by Jesús Castillo Yera in Pamplona, Spain 2021 -- @CDTI\_innovacion NEOTEC grant and Enisa | Empresa Nacional de Innovación participatory loan secured 2021 -- Sodena | Desarrollo de Navarra - Nafarroako garapena regional support 2021 -- Joins Centro Europeo de Empresas e Innovación de Navarra (Centre Europeo de Empresas e Innovacion), Pamplona 2022 -- GreenBattery patent filed (Modular Thermal Energy Storage System) 2023 -- 160 kWh/20 kW prototype. Comansa paint-curing oven; >90% RTE 2023 -- Solar Impulse Foundation Efficient Solution label awarded 2024 -- EIC - European Innovation Council SynergistEIC acceleration prog 2024 -- LOIs signed from four industrial clients 2026 -- Relocates to new HQ at Poligono Industrial de Areta, Huarte, Navarra
Chief Technology Officer - Scientist at Greendur - Energy Storage
Energy Storage - Phase Change Materials,
Strong solid foundation in Fluid Mechanics, Thermodynamics, Heat Transfer, Mass Transfer, Species Transfer, Porous Media, Phase Change, Multiphase, Granular Physics, Sorption, Thermochemical, Chemistry
Techniques: Multiphysics, Computational Fluid Dynamics, Energy Modelling, Economic Modeling, Screening Analysis, Monte-Carlo, Uncertainty Analysis, Global Sensitivity Analysis, Model Order Reduction, Metamodeling, Global Optimization.
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I am interested in the following CETPartnership thematic areas:
provide technological cleaner solutions for storage technologiesdevelop and demonstrate technical solutions for integrated industrial energy systems
We can provide technology development services, new prototypes, from conceptual design, detailed design, optimization, fabrication, and testing, and well as system development and integration with industrial applications at medium/high temperature.