{"type": "object", "properties": {"DUID": {"type": "string", "examples": ["W/HOE#2"], "description": "Dispatchable Unit Identifier\nWARNING: This column may contain funny characters such as / (slash) or # (hash). This may break hive-style partitioning.\n"}, "PERIODID": {"type": "integer", "maximum": 32767, "minimum": -32768, "description": "Market data. Trading Interval number"}, "SETTLEMENTDATE": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Market date starting at 04:30\nWARNING: Despite what the name suggests, this is a datetime, not a date."}, "VERSIONNO": {"type": "integer", "minimum": 0, "maximum": 65535, "description": "Version no of the offer file."}, "BANDAVAIL1": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Availability at price band 1"}, "BANDAVAIL2": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Availability at price band 2"}, "BANDAVAIL3": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Availability at price band 3"}, "BANDAVAIL4": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Availability at price band 4"}, "BANDAVAIL5": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Availability at price band 5"}, "BANDAVAIL6": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Availability at price band 6"}, "BANDAVAIL7": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Availability at price band 7"}, "BANDAVAIL8": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Availability at price band 8"}, "BANDAVAIL9": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Availability at price band 9"}, "BANDAVAIL10": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Availability at price band 10"}, "FIXEDLOAD": {"type": "number", "description": "Fixed unit output MW. A value of zero means no fixed load so the unit is dispatched according to bid and market (rather than zero fixed load)"}, "LASTCHANGED": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Last date and time record changed"}, "MAXAVAIL": {"type": "number", "description": "Maximum planned availability MW"}, "PASAAVAILABILITY": {"type": "integer", "maximum": 9223372036854775807, "minimum": -9223372036854775808, "description": "The physical plant capability including any capability potentially available within 24 hours."}, "ROCDOWN": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Rate of change down MW/min"}, "ROCUP": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Rate of change up MW/min"}, "SELFDISPATCH": {"type": "number", "description": "Not used"}}, "required": ["DUID", "PERIODID", "SETTLEMENTDATE", "VERSIONNO"], "description": "DEFAULTPEROFFER shows half hourly period-based data in the default bid for each Dispatchable Unit, such as period availability, rate of change and band quantities.\nSource\n\nObsolete; was updated only when participant changes their default bid."}