Shift Key with Robinson Meyer This Is What It’s Like to Run a Power Grid
47 snips
Aug 20, 2025 Mark Rothleder, senior vice president and COO of the California Independent System Operator, oversees 80% of California's electricity flow. In this engaging conversation, he explains how the grid is managed akin to air traffic control, balancing supply and demand. Rothleder shares insights on blackouts, market dynamics, and the integration of renewable resources. He highlights the complexities of forecasting energy needs and the critical strategies necessary for maintaining reliability, especially during peak demand. Plus, he tackles the mystery of pronouncing CAISO!
AI Snips
Chapters
Transcript
Episode notes
A Failed Attempt At The Generation Desk
- Mark described the control room as dimly lit with multiple desks monitoring generation, contingency, and interchange.
- He once shadowed the generation desk and created a big wall of green indicating he failed to maintain balance.
Schedules Are Handed Off And Verified
- Hour-ahead and five-minute schedules set interchanges and hand off to operators who mutually verify those schedules.
- Clear coordination among balancing areas prevents mismatches at the borders.
Markets Inform Operations, Not Replace Them
- Markets and operators work together: markets recommend least-cost dispatch subject to network constraints, and operators implement it.
- Security-constrained economic dispatch and unit commitment embed reliability into market decisions.