## ----setup, include = FALSE--------------------------------------------------- knitr::opts_chunk$set( collapse = TRUE, comment = "#>" ) ## ----eval=FALSE--------------------------------------------------------------- # library(aemo) # # # All timestamps come back in AEST (UTC+10, no DST). # # The tzone attribute is "Australia/Brisbane" throughout. # p <- aemo_price("NSW1", "2024-01-15 14:00", "2024-01-15 15:00") # attr(p$settlementdate, "tzone") # "Australia/Brisbane" # # # January is summer in Australia. Australia/Sydney would give UTC+11 here, # # shifting every timestamp one hour ahead of the AEMO file clock. # # Australia/Brisbane correctly gives UTC+10. # format(p$settlementdate[1], "%Y-%m-%d %H:%M:%S %Z") ## ----eval=FALSE--------------------------------------------------------------- # # Convert market time to NSW wall clock (observes DST) # p$local_time_nsw <- format(p$settlementdate, tz = "Australia/Sydney") # # # Convert market time to SA wall clock (UTC+9:30 / UTC+10:30 with DST) # p$local_time_sa <- format(p$settlementdate, tz = "Australia/Adelaide") ## ----eval=FALSE--------------------------------------------------------------- # # Period-start timestamps for 5-min intervals # p$period_start <- p$settlementdate - as.difftime(5, units = "mins") # # # Period-start timestamps for 30-min trading intervals # t$period_start <- t$settlementdate - as.difftime(30, units = "mins") ## ----eval=FALSE--------------------------------------------------------------- # # Default: market pricing run only # p_market <- aemo_price("NSW1", "2022-06-13", "2022-06-14") # # # Both runs (for intervention analysis) # p_both <- aemo_price("NSW1", "2022-06-13", "2022-06-14", # intervention = TRUE) # table(p_both$intervention)