USEA's Power Sector Podcast

USEA Power Sector Podcast Episode 120: Lawrence Berkeley National Laboratory Researcher Grace Relf

Mar 11, 2025
Grace Relf, a researcher at Lawrence Berkeley National Laboratory, dives into integrated system planning, a crucial evolution in utility management. She discusses how this approach helps utilities handle customer-owned energy resources and diverse policy impacts. Relf highlights case studies from Minnesota and Hawaii, showcasing the benefits of effective planning strategies. She emphasizes collaboration between regulators and utilities and the need for adaptability in the face of supply chain challenges. This insightful conversation sheds light on the future of reliable electricity grids.
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INSIGHT

Need for Shift in Planning

  • Traditional grid planning processes are inadequate due to rapid system changes.
  • These changes include new policies, technologies, and customer behaviors.
INSIGHT

IDSP Overview

  • Integrated Distribution System Planning (IDSP) helps utilities make long-term grid investment strategies.
  • It considers reliability, resilience, safety, and DER utilization.
ANECDOTE

Hawaii's Grid and Integrated Planning

  • Hawaii's grid has high variable renewable energy penetration and customer-sited solar.
  • Hawaiian Electric uses integrated planning to determine DER value and grid needs.
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