[stephen_g]

In Australia we've moved all the way to five-minute (!) settlement in our electricity market. Used to be 30 minutes but they switched in 2021 to give better price signals for very fast response technology like battery banks, as well as the demand response.

[F-W-M]

Do you have a auction + continuous market as well? With same or with different granularity?

Europe has an day-ahead auction with 1h products and continuous trading with quarter hours as the smallest product (still varying from country to country).