{"type": "object", "properties": {"PERIODID": {"type": "integer", "maximum": 32767, "minimum": -32768, "description": "Period identifier"}, "SETTLEMENTDATE": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Settlement Date\nWARNING: Despite what the name suggests, this is a datetime, not a date."}, "VERSIONNO": {"type": "integer", "minimum": 0, "maximum": 65535, "description": "Settlement run number"}, "EVA": {"type": "number", "description": "Energy value adjustment for northward flows in the half-hour interval"}, "FLOW_DIRECTION": {"type": "string", "enum": ["NORTH", "SOUTH"], "description": "Indicates the determined direction of flow in the half hour. Will be either \u201c\u201dNORTH\u201d or \u201cSOUTH\u201d"}, "LASTCHANGED": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Last changed date for the record"}, "LOWERTUMUT_AGE": {"type": "number", "description": "Energy output of the Lower Tumut unit in the half hour interval"}, "LOWERTUMUT_EVDP": {"type": "number", "description": "Lower Tumut Energy Value Differential for the half hour interval"}, "LOWERTUMUT_SPDP": {"type": "number", "description": "Lower Tumut Substitute Price for the half hour interval"}, "TOTAL_X": {"type": "number", "description": "Sum of all \"ABS_X\" values in the half hour"}, "TOTAL_Y": {"type": "number", "description": "Sum of all \"ABS_Y\" values in the half hour"}, "UPPERTUMUT_AGE": {"type": "number", "description": "Energy output of the Upper Tumut unit in the half hour interval"}, "UPPERTUMUT_EVDP": {"type": "number", "description": "Upper Tumut Energy Value Differential for the half hour interval"}, "UPPERTUMUT_SPDP": {"type": "number", "description": "Upper Tumut Substitute Price for the half hour interval"}}, "required": ["PERIODID", "SETTLEMENTDATE", "VERSIONNO"], "description": "A settlements table for the publication of support data for the Snowy CSP derogation amounts. This table publishes energy differential information for each half-hour interval in the settlement run\nTHIS TABLE WILL BE DISCONTINUED AS PART OF THE END OF YEAR 2009 MMS\nRELEASESource\n\nSettlements data process is populated at the posting of a billing run in\nwhich it is included.\n\nVolume\n\nEstimated number of rows is an average of 1000 per week based on the 35\nsettlement days posted per week.\nWarningLevel.TIP: 1 second, 6 second, 5 minute, 60 second and regulation refer to types of [FCAS](../../guide/market_design.md#what-is-fcas) markets."}