
Energy Central Nat Bullard: Can energy change its mind on decarb?
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Oct 20, 2025 Nat Bullard, an energy thought leader and cofounder of Halcyon, dives deep into the ever-evolving landscape of energy and decarbonization. He discusses how rising electricity demand is reshaping strategies and emphasizes the urgency of recent U.S. policy shifts. Bullard argues that the real bottleneck is not renewable supply but the transmission infrastructure. He highlights the transformative role of hyperscalers in the grid and stresses that 2030 is closer than we think in terms of planning. Nat’s insights offer a compelling view on navigating the chaotic energy transition.
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Nat Bullard’s Background And Focus
- Nat Bullard spent nearly 20 years analyzing clean energy markets at Bloomberg NEF and now runs Halcyon.
- He builds AI-enabled tools to read unstructured electricity data from a global perspective.
Demand Is The New Driver Of Strategy
- Power demand dynamics have flipped from a flat U.S. market to multi-decade high growth driven by AI and electrification.
- Decarbonization's role shifts from 'by default' to strategic choice where demand grows and fuel options multiply.
Regulatory Imperatives Shape Choices
- Utilities must meet a legal imperative to serve reliably and affordably, which shapes decarbonization choices.
- Policy shifts that favor incumbents can raise costs or weaken reliability for ratepayers.



