ISO 8601 time interval (minutes only, for example PT15M) indicating the duration of the ISPs referenced in this message. Although the ISP length is a market-wide fixed value, making this assumption explicit in each message is important for validation purposes, allowing implementations to reject messages with an errant ISP duration. Time zone ID (as per the IANA time zone database, http://www.iana.org/time-zones, for example: Europe/Amsterdam) indicating the UTC offset that applies to the Period referenced in this message. Although the time zone is a market-wide fixed value, making this assumption explicit in each message is important for validation purposes, allowing implementations to reject messages with an errant UTC offset. Day (in yyyy-mm-dd format) the ISPs referenced in this Flex* message belong to. Entity Address of the Congestion Point this D-Prognosis applies to. The ISP represents one or more Imbalance Settlement Periods and is used by Prognosis and Flex-related messages. Revision of this message. A sequence number that must be incremented each time a new revision of a prognosis is sent. The combination of SenderDomain and PrognosisSequence should be unique Power specified for this ISP in Watts. Also see the important notes about the sign of this attribute in the main documentation entry for the ISP element. Number of the first ISPs this element refers to. The first ISP of a day has number 1. The number of the ISPs this element represents. Optional, default value is 1. The ISP represents one or more Imbalance Settlement Periods and is used by Prognosis and Flex-related messages. Reference to the bilateral contract in question. Message reference, assigned by the DSO originating the FlexReservationUpdate. Remaining reserved power specified for this ISP in Watts. Number of the first ISPs this element refers to. The first ISP of a day has number 1. The number of the ISPs this element represents. Optional, default value is 1. The ISP represents one or more Imbalance Settlement Periods and is used by Prognosis and Flex-related messages. Revision of this message, a sequence number that must be incremented each time a new revision of a FlexRequest message is sent. Date and time, including the time zone (ISO 8601 formatted as per http://www.w3.org/TR/NOTE-datetime) until which the FlexRequest message is valid. Reference to the concerning contract, if applicable. The contract may be either bilateral or commoditized market contract. Each contract may specify multiple service-types. Service type for this request, the service type determines response characteristics such as latency or asset participation type. Power specified for this ISP in Watts. Also see the important notes about the sign of this attribute in the main documentation entry for the ISP element. Power specified for this ISP in Watts. Also see the important notes about the sign of this attribute in the main documentation entry for the ISP element. Number of the first ISPs this element refers to. The first ISP of a day has number 1. The number of the ISPs this element represents. Optional, default value is 1. If the DSO does not support mutually exclusive offers it will reject FlexOffers that contain more than one OfferOption. Date and time, including the time zone (ISO 8601 formatted as per http://www.w3.org/TR/NOTE-datetime) until which the FlexOffer is valid. Indicates whether this FlexOffer is intended to be unsolicited (i.e. without a preceding FlexRequest). MessageID of the FlexRequest message this request is based on. Mandatory if Unsolicited=false. Reference to the concerning contract, if applicable. The contract may be either bilateral or commoditized market contract. MessageID of the D-Prognosis this request is based on, if it has been agreed that the baseline is based on D-prognoses. Identification of the baseline prognosis, if another baseline methodology is used than based on D-prognoses ISO 4217 code indicating the currency that applies to the price of the FlexOffer. The ISP represents one or more Imbalance Settlement Periods and is used by Prognosis and Flex-related messages. The identification of this option. The asking price for the flexibility offered in this option. The minimal activation factor for this OfferOption. An AGR may choose to include MinActivationFactor in FlexOffers even if the DSO is not interested in partial activation. In that case the DSO will simply use an ActivationFactor of 1.00 in every FlexOrder. Power specified for this ISP in Watts. Also see the important notes about the sign of this attribute in the main documentation entry for the ISP element. Number of the first ISPs this element refers to. The first ISP of a day has number 1. The number of the ISPs this element represents. Optional, default value is 1. MessageID of the FlexOffer message that is being revoked: this FlexOffer must have been accepted previously. The ISP represents one or more Imbalance Settlement Periods and is used by Prognosis and Flex-related messages. Indicates whether this FlexOrder is intended to be unsolicited (i.e. without a preceding FlexOffer). MessageID of the FlexOffer message this order is based on. Mandatory if Unsolicited=false. Service type for this order, the service type determines response characteristics such as latency or asset participation type. Reference to the concerning bilateral contract, if applicable. MessageID of the D-Prognosis this request is based on, if it has been agreed that the baseline is based on D-prognoses. Identification of the baseline prognosis, if another baseline methodology is used than based on D-prognoses The price for the flexibility ordered. Usually, the price should match the price of the related FlexOffer. ISO 4217 code indicating the currency that applies to the price of the FlexOffer. Order number assigned by the DSO originating the FlexOrder. To be stored by the AGR and used in the settlement phase. The OptionReference from the OfferOption chosen from the FlexOffer, if applicable. The activation factor for this OfferOption. The ActivationFactor must be greater than or equal to the MinActivationFactor in the OfferOption chosen from the FlexOffer. Power specified for this ISP in Watts. Also see the important notes about the sign of this attribute in the main documentation entry for the ISP element. Number of the first ISPs this element refers to. The first ISP of a day has number 1. The number of the ISPs this element represents. Optional, default value is 1. First Period of the settlement period this message applies to. Last Period of the settlement period this message applies to. ISO 4217 code indicating the currency that applies to all amounts (flex price, penalty and net settlement) in this message. Order reference assigned by the DSO when originating the FlexOrder. Reference to the concerning bilateral contract, if it is linked to it MessageID of the Prognosis message (more specifically: the D-Prognosis) the FlexOrder is based on, if it has been agreed that the baseline is based on D-prognoses. Identification of the baseline prognosis, if another baseline methodology is used than based on D-prognoses. Entity Address of the Congestion Point the FlexOrder applies to. The price accepted for supplying the ordered amount of flexibility as per the referenced FlexOrder messages. Penalty due a non-zero PowerDeficiency Net settlement amount for this Period: Price minus Penalty. Number of the first ISPs this element refers to. The first ISP of a day has number 1. The number of the ISPs this element represents. Optional, default value is 1. Power originally forecast (as per the referenced baseline) for this ISP in Watts. Amount of flex power ordered (as per the referenced FlexOrder message) for this ISP in Watts. Actual amount of power for this ISP in Watts, as measured/determined by the DSO and allocated to the AGR. Actual amount of flex power delivered for this ISP in Watts, as determined by the DSO. Amount of flex power sold but not delivered for this ISP in Watts, as determined by the DSO. The ISP represents one or more Imbalance Settlement Periods and is used by Prognosis and Flex-related messages. Order reference assigned by the DSO when originating the FlexOrder. Indication whether the AGR accepts the order settlement details provided by the DSO (and will invoice accordingly), or disputes these details. In case the order settlement was disputed, this attribute must contain a human-readable description of the reason. Reference to the concerning bilateral contract. Period the being settled. Number of the first ISPs this element refers to. The first ISP of a day has number 1. The number of the ISPs this element represents. Optional, default value is 1. Amount of flex power that has been reserved (and not released using a FlexReservationUpdate message). Amount of flex power that has been both reserved in advance and has been requested using a FlexRequest (i.e. the lowest amount of flex power for this ISP). If there was no FlexRequest, this field is omitted. Amount of flex power that is considered available based on the FlexRequest in question. In case RequestedPower=0, AvailablePower is defined so that the offered power is allowed to be between 0 and AvailablePower in terms of compliancy (see Appendix 'Rationale for information exchange in flexibility request' for details). In case RequestedPower ≠0, AvailablePower is defined so that the offered power is allowed to exceed the amount of requested power up to AvailablePower. If this is relevant for settlement, the DSO can include this field. Amount of flex power that has been reserved in advance, requested using a FlexRequest and covered in an offer from the AGR. If there was no offer, this field is omitted. If there were multiple offers, only the one is considered that is most compliant . Amount of flex power that has been ordered using a FlexOrder message that was based on a FlexOffer, both linked to this contract. If there was no order, this field is omitted.