Grant Loess

Director and Head of EPC Procurement at Clearway Energy Group

Chicago, Illinois, United States

About

Sourcing executive with experience across diverse construction and services categories, including solar, wind, transmission, distribution, BESS and vegetation management. I’ve led teams of up to five, driving efficiency, cost savings, and standardization across categories. Passionate about sustainable sourcing and advancing the transition to green energy.

Experience

  • Director, Procurement (EPC) at Clearway Energy Group
    Jun 2026 - Present · 2 mos

    Lead the EPC Procurement function across Clearway’s entire BESS, Solar and Wind pipeline. Manage a team of high-performing procurement professionals.

  • RWE (3 yrs 10 mos)
    • Director - Project Procurement
      Aug 2024 - Present · 2 yrs

      Director of Project Procurement for the Central and East regions. Responsible for approximately $1.5B in spend annually. Manage a team of 3 project procurement professionals.

    • Senior Procurement Manager
      Oct 2022 - Aug 2024 · 1 yr 11 mos

      -Responsible for sourcing and managing the Solar and Battery Storage (BESS) construction services category -Led the implementation of a framework agreement with strategic vendor partners for more efficient contracting -Executed EPC contracts of up to $200M+ under budget and on time -Drive efficiencies through standardization of Procurement documents to shorten contract lifecycle -Selected to participate in RWE’s Emerging Leaders leadership development program -Developed bulk purchasing strategies for an EPC pipeline of over 5GW

  • Exelon (5 yrs 5 mos)
    • Senior Category Manager
      Oct 2020 - Oct 2022 · 2 yrs 1 mo

      Exelon Strategic Sourcing, Construction team. Promoted in October of 2020. -Category manager for Transmission and Substation construction for 3 of Exelon’s utilities ($350 in annual spend) -Assist in managing the Vegetation Management category ($200M in annual spend) -Sourced a $75M utility consulting and software contract across the 6 Exelon utilities -Present weekly to executives on upcoming and current business cases across managed categories -Sourced a $1M social media software contract for 7 business units -Supply lead for the PHI utilities’ tier 2 diversity team -Supply lead for the PHI Capital Execution Nerve Center which includes building a LOS chart for improved future projection execution

    • Procurement Specialist
      Sep 2018 - Oct 2020 · 2 yrs 2 mos

      Exelon Strategic Sourcing, Construction team. Promoted in September 2018. -Lead analyst on a Nuclear sourcing initiative with over 90 suppliers, totaling over $225M in spend. This initiative boosted diversity and filled major service coverage holes -Project lead on an enterprise wide sourcing initiative totaling over $1.5B in spend over 4 years. Responsible for creating and executing the RFP strategy, negotiating with suppliers and putting the contracts into place. -Interim category manager for the Vegetation Management category ($350M in annual spend) for Exelon Utilities for 6 months during a transition period. -Assist category managers and help direct strategic initiatives to optimize Exelon's utility construction supplier base -Exelon Supply project lead on an initiative designed to standardize and align processes and unit pricing models across the Exelon Utilities in Strategic Sourcing, Construction Services -Project manager & lead for a $8B (over 5 years) construction services RFP for Exelon Utilities which includes 6 different business units and over 100 suppliers. -Peer mentor for the Strategic Sourcing, Construction intern during the summer of 2019

    • Associate Supply Business Ops Specialist
      Jun 2017 - Sep 2018 · 1 yr 4 mos

      On the Construction Services team in the Strategic Sourcing department of Supply where my contributions include: -Compiled and provided analytics for a comprehensive labor, equipment, and unit rate databases for a multi-billion dollar RFP. Performed a critical analysis on over 150 suppliers based on a market basket pricing analysis' -Successfully and efficiently ran an RFI for a $500M sourcing initiative involving 120 suppliers -Utilized Microsoft Excel and VBA to streamline current business processes, greatly enhancing and improving productivity -Created key reports for Exelon Utilities that provided a comprehensive look at our supplier's prices vs the market to identify cost reduction opportunities -Assist with spend reporting on key suppliers to support our category managers across business functions

  • Operations Analyst Intern at Star Asia International
    Mar 2016 - Aug 2016 · 6 mos

    Star Asia is a 3rd party logistics company that specializes in importing ocean freight from Asia to the US. Star Asia is a member of the OEC Group. Helped support the sales team in creating new opportunities and improve on current opportunities with tasks not limited to: -Analyzing quantitative and qualitative data to help sales team review and identify new customers in new markets -Uses analytical tools like SugarCRM, Datamyne and Microsoft Excel to extract key statistics and organize them into reports. -Created Supply Chain Analysis' in Datamyne to help sales team get an overall view of a customers supply chain and how to better serve them -Communicated with management on potential market trends and conducted market research -Helped with social media campaign to promote a positive image of Star Asia and worked to provide a more seamless marketing experience for customers