The files in this directory contain half-hourly data for cleared instantaneous reserves aggregated at an island level.
The data has been extracted from EMS's EM6 data service, and in this version of the dataset is provided in 
raw .csv format.

Field descriptions:

Field 1: Trading Date (dd mmm yyyy format)
Field 2: Trading Period (1-50)
Field 3: Island (NI/SI)
Field 4: Power Type where I = Interruptable load, P = Partially-loaded spinning reserve, T = Tailwater-depressed spinning reserve
Field 5: Reserve Type where F = Fast (6s), S = Sustained (60sec)
Field 6: Total MW cleared
Field 7: Total MW offered