{"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_D contains the half-hourly period details of daily bids and rebids, to be used in conjunction with DAYOFFER_D. 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_D is a child table of DAYOFFER_D.\nNot in Use - discontinued 16/11/2003\n\nStatus\n\nPEROFFER and its related views are obsolete. please see BIDPEROFFER\nviews. For a transition period, the PEROFFER views exist, being based on\nthe BIDPEROFFER table.\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."}