Hacker News new | ask | show | jobs
by klempner 229 days ago
Are you sure you're not thinking of "SmartDay" days that are part of the SmartRate program?

Flex Alerts are CAISO and ultimately about grid stability. SmartRate/SmartDay are ultimately about marginal cost of production on PG&E. The two are certainly correlated -- at the very least, a Flex Alert day is almost guaranteed to be a SmartDay.

Notably, the SmartRate program is capped at 15 days per year, and in practice PG&E will keep a few in reserve for surprise late season events, but even if there are no Flex Alert days they're still going to be called on electricity-is-expensive-even-if-the-grid-is-stable days.