Selin-Isabel Keller

Project Manager for large scale Battery Energy Storage Systems at Harmony Energy GmbH

Germany

About

Project manager in the field of renewable energy with a focus on Battery Energy Storage Systems (BESS). Solid experience in planning, managing, constructing and implementing complex projects, as well as coordinating interdisciplinary teams and external stakeholders as an EPC contractor. Strong analytical and organizational skills combined with clear, solution-oriented communication. Committed to a greener future with sustainable energy supply, and highly motivated to actively drive the energy transition.

Experience

  • Projektmanager at Harmony Energy
    Jun 2026 - Present · 2 mos

  • SMA Altenso (Kassel, Hessen, Deutschland)
    • Project Manager
      Jul 2024 - Jun 2026 · 2 yrs

      Planning, managing, and implementing Battery Energy Storage Systems (BESS) on medium- and high-voltage level in international settings (Focus on the German and UK market). Supporting and managing all project phases from development through bidding phase and contract negotiations to turnkey implementation. Ensuring adherence to schedule, quality, and budget targets. Close coordination with engineering, procurement, sales, and legal departments, as well as management of stakeholders including external EPC partners, customers, grid operators, and authorities.

    • Junior Project Manager
      Jun 2022 - Jun 2024 · 2 yrs 1 mo

  • enercity (1 yr 9 mos)
    • Projektplanerin Photovoltaik Gewerbekunden
      Feb 2022 - Jun 2022 · 5 mos

    • Projektplanung Photovoltaik
      Jan 2021 - Feb 2022 · 1 yr 2 mos

    • Projektplanung Photovoltaik
      Oct 2020 - Dec 2020 · 3 mos

  • Servicekraft at Café Extrablatt
    Apr 2017 - Mar 2020 · 3 yrs

  • Aushilfe im Einzelhandel at ONYGO
    Sep 2016 - Apr 2017 · 8 mos