KAOS THEORY

Kaos Theory Episode 12: Meredith Angwin

Feb 21, 2026
Meredith Angwin, an energy analyst and author who writes the Electric Grandma Substack, explains why grid reliability matters. She describes baseload versus peaker plants, how renewables create just-in-time gas dependency, the role of nuclear and transmission constraints, and quirky ideas like space data centers. Short, clear, and focused on the toughest challenges for keeping electricity reliable.
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INSIGHT

How RTO Deregulation Weakened Grid Reliability

  • RTO deregulation replaced state oversight with short-term auctions that prioritized lowest price over reliability.
  • Meredith Angwin explains utilities lost the state Public Utility Commission rate-of-return model, creating complex, gameable auction rules and weak reliability incentives.
INSIGHT

Negative Bids From Renewables Undermine Baseload

  • Subsidised renewables can bid negative prices and force always-on plants like nuclear to accept the market clearing price.
  • Angwin describes renewables using tax credits/RECs to bid at near-zero or negative prices, undermining baseload economics.
INSIGHT

Intermittency Forces Increased Peaker Dependence

  • Intermittent wind and solar can't be dispatch-controlled, so grids must add fast-start peaker plants or storage to cover evening/low-wind ramps.
  • Angwin details how solar drops at sunset (peak demand) and requires natural gas peakers or hydro to fill the gap.
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