{"type": "object", "properties": {"INTERVAL_DATETIME": {"type": "string", "examples": ["2026/09/02 04:30:00"], "format": "date-time", "description": "End date time of the interval."}, "REGIONID": {"type": "string", "enum": ["QLD1", "VIC1", "TAS1", "NSW1", "SA1", "SNOWY1"], "description": "Region Identifier"}, "RUN_DATETIME": {"type": "string", "examples": ["2026/09/01 01:00:00"], "format": "date-time", "description": "Unique Timestamp Identifier for this run, identified by the nominal start time of the run."}, "RUNTYPE": {"type": "string", "enum": ["RELIABILITY_LRC", "OUTAGE_LRC", "LOR"], "description": "Type of run. Values are RELIABILITY_LRC, OUTAGE_LRC and LOR. Note that the STPASA RELIABILITY_LRC and OUTAGE_LRC Run Types are discontinued from 31 July 2025, with only the LOR Run Type reported."}, "AGGREGATECAPACITYAVAILABLE": {"type": "number", "examples": ["1945.13", "2019", "16682.59", "13580"], "description": "Sum of MAXAVAIL quantities offered by all Scheduled units and Availability of all semi-scheduled units limited by MAXAVAIL in a given Region for a given PERIODID"}, "AGGREGATEPASAAVAILABILITY": {"type": "integer", "examples": ["1979", "18320"], "minimum": 0, "maximum": 18446744073709551615, "description": "Sum of PASAAVAILABILITY for all scheduled generating units and scheduled bidirectional units (Gen side) with a Recall_Period <= 24 hours plus the sum of Unconstrained Intermittent Generation Forecasts (UIGF) for all semi-scheduled generating units. For the RELIABILITY_LRC and OUTAGE_LRC runs, UIGF is the POE90 forecast. For the LOR Run, UIGF is the POE50 forecast. Note that the RELIABILITY_LRC and OUTAGE_LRC Run Types are discontinued from 31 July 2025. From March 2026, AGGREGATEPASAAVAILABILITY changes from that with Recall_Period <= 24 to that achievable by the relevant INTERVAL_DATETIME if recalled at the start of the run."}, "AGGREGATESCHEDULEDLOAD": {"type": "number", "examples": ["0", "1"], "description": "Sum of MAXAVAIL quantities bid by of all Scheduled Loads in a given Region for a given PERIODID."}, "CALCULATEDLOR1LEVEL": {"type": "number", "examples": ["354.29701", "582", "1579.48329", "1430"], "description": "Region Reserve Level for LOR1 used. Can be static value or calculated value if an interconnector is a credible contingency"}, "CALCULATEDLOR2LEVEL": {"type": "number", "examples": ["178.297", "435", "849.48329", "730"], "description": "Region Reserve Level for LOR2 used. Can be static value or calculated value if an interconnector is a credible contingency"}, "CAPACITYREQ": {"type": "number", "description": "Demand + Reserve requirements (MW). This field is not populated after 30 July 2025."}, "CONSTRAINEDCAPACITY": {"type": "integer", "examples": ["0", "1", "2782"], "minimum": 0, "maximum": 18446744073709551615, "description": "Aggregate generation + WDR capacity from Energy Constrained plant subjected to restrictions due to network constraints."}, "DEMAND10": {"type": "number", "examples": ["371", "9289"], "description": "10% Probability of Exceedance demand forecast."}, "DEMAND50": {"type": "number", "examples": ["334", "9001"], "description": "50% Probability of Exceedance demand forecast."}, "DEMAND90": {"type": "number", "examples": ["297", "8713"], "description": "90% Probability of Exceedance demand forecast."}, "DEMAND_AND_NONSCHEDGEN": {"type": "number", "examples": ["334", "9125"], "description": "Sum of Cleared Scheduled generation, imported generation (at the region boundary) and allowances made for non-scheduled generation (MW)."}, "ENERGYREQDEMAND10": {"type": "number", "examples": ["25.24", "0", "174.02"], "description": "Energy (GWh) required for this energy block based on the 10% probability of exceedance demand. Listed in the first interval of the energy block"}, "ENERGYREQDEMAND50": {"type": "number", "examples": ["23.58", "0", "168.66"], "description": "Sum of: (Region Demand50)/Period (sum by trading day, entered in first period of trading day, GWh)."}, "FUM": {"type": "number", "examples": ["230.1158", "0", "844.8202"], "description": "Forecasting Uncertainty Measure. MW value of reserve calculated as defined in the Reserve Level Declaration Guidelines"}, "LASTCHANGED": {"type": "string", "examples": ["2026/09/01 01:08:48"], "format": "date-time", "description": "Date time this record was created."}, "LCR": {"type": "number", "examples": ["172.363", "435", "849.48329", "730"], "description": "Largest Credible Risk. MW value for highest credible contingency"}, "LCR2": {"type": "number", "examples": ["333.529", "582", "1579.48329", "1430"], "description": "Two Largest Credible Risks. MW value for highest two credible contingencies."}, "LOR_SEMISCHEDULEDCAPACITY": {"type": "number", "examples": ["169.13", "243", "3832.64", "2991"], "description": "Constrained generation forecast for semi-scheduled units for the region for the LOR run. Semi-scheduled generation is constrained by both System Normal and Outage constraints, and incorporate MAXAVAIL limits."}, "LORCONDITION": {"type": "integer", "examples": ["0"], "minimum": 0, "maximum": 255, "description": "The LOR Condition determined from the Maximum Spare Capacity value: 0 - no condition, 1 - LOR1 condition, 2 - LOR2 condition, 3 - LOR3 condition"}, "LORNETINTERCHANGEUNDERSCARCITY": {"type": "number", "examples": ["-2.07", "39.33", "-438", "-2518"], "description": "Net interconnector flow from the region for this interval from the LOR assessment"}, "MAXSPARECAPACITY": {"type": "number", "examples": ["957.35", "1344", "8051.87", "5389"], "description": "Maximum Spare Capacity (MW) evaluated for this region. Calculated for each region in turn. This value reflects Regional LOR reserve."}, "NETINTERCHANGEUNDERSCARCITY": {"type": "number", "examples": ["-2.07", "39.33", "-438", "-2518"], "description": "Net export (MW) out of this region in the LOR evaluation. Export if > 0, Import if < 0. This value is the same as LORNETINTERCHANGEUNDERSCARCITY."}, "SEMISCHEDULEDCAPACITY": {"type": "number", "examples": ["169.13", "243", "3832.64", "2991"], "description": "Constrained generation forecast (MW) for semi-scheduled units for the region. For RELIABILITY_LRC run, semi-scheduled generation is constrained only by System Normal constraints. For OUTAGE_LRC run and LOR run, semi-scheduled generation is constrained by both System Normal and Outage constraints. All three run types (RELIABILITY_LRC, OUTAGE_LRC, LOR) incorporate MAXAVAIL limits."}, "SS_SOLAR_CAPACITY": {"type": "number", "examples": ["0.03", "0", "16", "1931"], "description": "Constrained generation forecast for solar for the region. For RELIABILITY_LRC run solar generation is constrained only by System Normal constraints. For OUTAGE_LRC run and LOR run solar generation is constrained by both System Normal and Outage constraints. All three run types (RELIABILITY_LRC, OUTAGE_LRC, LOR) incorporate MAXAVAIL limits."}, "SS_SOLAR_CLEARED": {"type": "number", "examples": ["0.03", "0", "16", "1931"], "description": "Constrained generation forecast (MW) for solar for the region. For RELIABILITY_LRC run, solar generation is constrained only by System Normal constraints. For OUTAGE_LRC run and LOR run, solar generation is constrained by both System Normal and Outage constraints. All three run types (RELIABILITY_LRC, OUTAGE_LRC, LOR) incorporate MAXAVAIL limits.This value is the same as SS_SOLAR_CAPACITY."}, "SS_SOLAR_UIGF": {"type": "number", "examples": ["0.03", "0", "1095", "2935"], "description": "Unconstrained Intermittent Generation Forecast for solar for the region. For RELIABILITY_LRC and OUTAGE_LRC run this is the POE90 forecast (determined by LRCUIGFOption in CaseSolution). For LOR run this is the POE50 forecast"}, "SS_WIND_CAPACITY": {"type": "number", "examples": ["32.86", "243", "3515.18", "2991"], "description": "Constrained generation forecast for wind for the region. For RELIABILITY_LRC run wind generation is constrained only by System Normal constraints. For OUTAGE_LRC run and LOR run wind generation is constrained by both System Normal and Outage constraints. All three run types (RELIABILITY_LRC, OUTAGE_LRC, LOR) incorporate MAXAVAIL limits."}, "SS_WIND_CLEARED": {"type": "number", "examples": ["32.86", "243", "3515.18", "2991"], "description": "Constrained generation forecast (MW) for wind for the region. For RELIABILITY_LRC run, wind generation is constrained only by System Normal constraints. For OUTAGE_LRC run and LOR run, wind generation is constrained by both System Normal and Outage constraints. All three run types (RELIABILITY_LRC, OUTAGE_LRC, LOR) incorporate MAXAVAIL limits.This value is the same as SS_WIND_CAPACITY."}, "SS_WIND_UIGF": {"type": "number", "examples": ["115.35", "243", "4374.57", "1652"], "description": "Unconstrained Intermittent Generation Forecast for wind for the region. For RELIABILITY_LRC and OUTAGE_LRC run this is the POE90 forecast (determined by LRCUIGFOption in CaseSolution). For LOR run this is the POE50 forecast"}, "SURPLUSCAPACITY": {"type": "number", "examples": ["957.35", "1344", "8051.87", "5389"], "description": "Regional surplus capacity (MW), +/- values indicate surplus/deficit capacity respectively. This value reflects Regional LOR reserve."}, "SURPLUSRESERVE": {"type": "number", "examples": ["957.35", "1344", "8051.87", "5389"], "description": "Regional surplus reserve (MW). This value also reflects Regional LOR reserve. Note: For LOR runs, RESERVEREQ requirement input is not used."}, "TOTALINTERMITTENTGENERATION": {"type": "number", "examples": ["0", "1", "365"], "description": "Allowance made for non-scheduled generation in the demand forecast (MW)."}, "UIGF": {"type": "number", "examples": ["169.13", "243", "5773.68", "3880"], "description": "Regional aggregated Unconstrained Intermittent Generation Forecast of Semi-scheduled generation (MW)."}, "UNCONSTRAINEDCAPACITY": {"type": "integer", "examples": ["1204", "9409"], "minimum": 0, "maximum": 18446744073709551615, "description": "Aggregate generation + WDR capacity from Non-Energy Constrained plant subjected to restrictions due to network constraints."}, "WDR_AVAILABLE": {"type": "number", "examples": ["0", "1"], "description": "Regional aggregated Wholesale Demand Response (WDR) availability in MW."}, "WDR_CAPACITY": {"type": "number", "examples": ["0", "1"], "description": "Regional aggregated Wholesale Demand Response (WDR) capacity in MW."}, "WDR_PASAAVAILABLE": {"type": "number", "examples": ["0", "1"], "description": "Regional aggregated Wholesale Demand Response (WDR) PASA availability in MW."}, "MAXSURPLUSRESERVE": {"type": "number", "description": "Maximum Surplus Reserve (MW) evaluated for this region from LRC runs. This field is no longer populated."}, "MSRNETINTERCHANGEUNDERSCARCITY": {"type": "number", "description": "Net interconnector flow from the region for this interval from the MSR assessment. This field is no longer populated."}, "RESERVECONDITION": {"type": "integer", "maximum": 127, "minimum": -128, "description": "Regional reserve condition from LRC run. This field is not populated after 30 July 2025."}, "RESERVEREQ": {"type": "number", "description": "Reserve Requirement (MW). This field is not populated after 30 July 2025."}}, "required": ["INTERVAL_DATETIME", "REGIONID", "RUN_DATETIME", "RUNTYPE"], "description": "STPASA_REGIONSOLUTION shows the results of the regional capacity, maximum surplus reserve and maximum spare capacity evaluations for each period of the study. Note that the RELIABILITY_LRC and OUTAGE_LRC Run Types are no longer reported from 31 July 2025.\nSTPASA_REGIONSOLUTION is public so is available to all participants.\n\nSource\n\nSTPASA_REGIONSOLUTION is updated each STPASA run (i.e every 2 hours).\n\nVolume\n\nRows per day: 480\n\nMb per month: 8"}