{"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"}, "OFFERDATE": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Offer date made\nWARNING: Despite what the name suggests, this is a datetime, not a date."}, "PERIODID": {"type": "integer", "maximum": 32767, "minimum": -32768, "description": "Period identifier"}, "SETTLEMENTDATE": {"type": "string", "examples": ["2026/01/20 00:05:00"], "format": "date-time", "description": "Market date starting at 04:00am\nWARNING: Despite what the name suggests, this is a datetime, not a date."}, "VERSIONNO": {"type": "integer", "minimum": 0, "maximum": 65535, "description": "Version number of offer"}, "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 plant availability"}, "MR_CAPACITY": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "Mandatory Restriction Offer amount"}, "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": "MW/Min for lower"}, "ROCUP": {"type": "integer", "maximum": 2147483647, "minimum": -2147483648, "description": "MW/min for raise"}, "SELFDISPATCH": {"type": "number", "description": "Not used"}}, "required": ["DUID", "OFFERDATE", "PERIODID", "SETTLEMENTDATE", "VERSIONNO"], "description": "PEROFFER contains the half-hourly period details of daily bids and rebids, to be used in conjunction with DAYOFFER. These views provide period varying details such as rate of change up (ROCUP), rate of change down (ROCDOWN) and band quantities (BANDAVAIL from 1 to 10).\nPEROFFER is a child table of DAYOFFER.\nStatus\n\nPEROFFER is obsolete. please see BIDPEROFFER. For a transition period,\nPEROFFER data continued to exist, being based on BIDPEROFFER.\n\nSource\n\nPEROFFER is obsolete; confidential data was updated for each bid and\nrebid, with full visibility of rest of market were updated daily as part\nof next day data."}