Day-ahead auction with delivery on the Swiss TSO zone

Size

The minimum volume increment is 0.1 MW for individual hours and 0.1 MW for blocks.

Tick

The minimum price increment is EUR 0.1 per MWh.

Underlying

Electricity traded for delivery the following day in 24 hour intervals.

Special case: the switch to and from daylight saving time is transparent for the members as the trading system automatically doubles the quantities for hour 03 (i.e. 2.00 am to 3.00 am) when the clocks are reset to daylight saving time and deletes the exceeding quantities when they are switched back to winter hours.

Place of Delivery

Deliveries are made within the zone managed by swissgrid.

Auction hours:

The daily auction takes place at 10.30 am, 7 days a week, year-round, including statutory holidays. After the auction results, members have 30 minutes to raise objections.

Type of orders

Individual hours

Orders contain up to 250 price/quantity combinations for each hour of the following day. Prices must be between 0 €/MWh and 3000 €/MWh.

Blocks

Blocks orders are matched on an all-or-none basis, for the same quantity on all applicable hours.

Standard block orders

• Block Baseload covering hours 1 to 24
• Block Peakload covering hours 9 to 20
• Block Night covering hours 1 to 6
• Block Morning covering hours 7 to 10
• Block High Noon covering hours 11 to 14
• Block Afternoon covering hours 15 to 18
• Block Evening covering hours 19 to 24
• Block Rush Hour covering hours 17 to 20
• Block Off-Peak 1 covering hours 1 to 8
• Block Off-Peak 2 covering hours 21 to 24
• Block Business covering hours 9 to 16
  

User Defined Blocks

Trading members also have the possibility to submit user-defined blocks linking several consecutive hours of their choice.

Particular conditions

The maximum volume for a block bid is 50 MW by hour and a maximum of 30 block bids per trading account can be entered by the participants.