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Past issues
- A year ago I quit teaching to build this The pivot — and the proof: a production AI data agent we shipped for a Spanish energy company. Two new write-ups.
- Who pockets Spain's €3.9B post-blackout redispatch — and the Besós case Two new pieces: the €3.9B/year of pay-as-bid going to Spain's CCGT fleet, and the unit-level reshuffle Operación Reforzada produced
- Correction on Monday's posts: RT3 is technical constraints, not tertiary reserve Thanks to Sergio Bertolín for the expert feedback. Data and ratios stand, mechanism now precisely identified.
- Spain's RT3 cost ×10 since 2020 — and what changed after the blackout Two new pieces: 148 months of technical-constraints cost growth, and 365 days pre/post the Iberian blackout
- What public data reveals about cogeneration in Spain A market profile built from public data reveals how a cogeneration operator captures value
- Chat with electricity data from Spain, Europe, and the US — no code required 3 new Claude Code skills, 3 library updates, and 3 live streams this week