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ERCOT Houston 345 kV Hub 5 MW Off-Peak Futures Contract Specs

Contract Unit 5 Megawatts hours (MWh)
Price Quotation The contract quantity shall be 5 Megawatt hours (MWh). Transaction sizes for trading any contract month shall be restricted to whole number multiples of the number of off-peak hours in the contract month. Each futures contract shall be valued as the contract quantity multiplied by the settlement price. 
Trading Hours CME Globex: Sunday - Friday 6:00 p.m. - 5:15 p.m. New York time/ET (5:00 p.m. - 4:15 p.m. Chicago Time/CT) with a 45-minute break each day beginning at 5:15 p.m. (4:15 p.m. CT)
Open Outcry: Monday - Friday 9:00 a.m. - 2:30 p.m. New York time/ET (8:00 a.m. - 1:30 p.m. Chicago Time/CT)
CME ClearPort: Sunday - Friday 6:00 p.m. - 5:15 p.m. New York time/ET (5:00 p.m. - 4:15 p.m. Chicago Time/CT) with a 45-minute break each day beginning at 5:15 p.m. (4:15 p.m. CT)
Minimum Price Fluctuation $0.01 per MWh
Product Code CME Globex: AI2
CME ClearPort: I2
Open Outcry: I2
Clearing: I2
Listed Contracts CME Globex: 36 consecutive months
CME Clearport and Open Outcry: The current year plus the next five calendar years. A new calendar year will be added following the termination of trading in the December contract of the current year.
Settlement Method Financially Settled
Floating Price The Floating Price for each contract month will be equal to the arithmetic average of all Electric Reliability Council of Texas (ERCOT) Houston 345 kV Hub real-time settlement point off-peak prices provided for the contract month. For settlement of this contract, the prices provided by ERCOT will be considered final on the payment date stated in Rule 277.09 and will not be subject to any further adjustment.
Termination Of Trading CME Globex: Trading on CME Globex shall cease at 23:59 local time of the independent system operator/regional transmission organization on the last calendar day of the month preceding the contract month. If that time is not within CME Globex regular trading hours, trading on CME Globex shall cease at the normal termination time (i.e., 16:15 CT) on the nearest business day on or before the last calendar day of the month preceding the contract month.
CME ClearPort and Open Outcry: Trading shall cease on the last business day of the contract month.
Days Or Hours Off-Peak shall mean Monday through Friday Hour Ending (HE) 0100-0600 and 2300 and 2400 Central Prevailing Time (CPT) and Saturday through Sunday HE 0100-2400 CPT including North American Electric Reliability Corporation holidays
Settlement Procedures Delivery under the contract shall be by cash settlement. Final settlement, following termination of trading for a contract month, will be based on the Floating Price. The final settlement price will be the Floating Price calculated for each contract month.
Position Limits NYMEX Position Limits
Exchange Rulebook NYMEX 277
Block Minimum Block Minimum Thresholds
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