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1 Apr
2013
1 Oct
2013
1 Jan
2014
1 Oct
2014
Q4
2015
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Product Frequency of
auctions
Number of products per
auction
Publication of available capacity
Start of the auction
Bidding rounds
Notification of allocation results
to participants Auction type
Auction calendar for firm capacity
Year
annual
Y1 to Y15 1 month before the start of the
auction*
1st Monday of March
First round 3h: 09:00 - 12:00
Following rounds:
13:00 - 14:00 15:00 - 16:00 17:00 - 18:00
No later than the next
business day ***
Ascending clock auction
Quarter Q1 to Q4 2 weeks before the
start of the auction*
1st Monday of June
Month monthly M1 1 week before the
start of the auction*
2nd Monday of the month
Day daily D1 With the start of
the auction 16:30 30 minutes
No later than 30 minutes*** Uniform price
auction Within-Day hourly h+4
With the start of the auction
every hour 30 minutes No later than 30
minutes***
Auction calendar for interruptible capacity
Year
annual
Y1 to Y15 On the day after
the auction of the respective firm
capacity ended**
1st Monday of April
First round 3h: 09:00 - 12:00
Following rounds:
13:00 - 14:00 15:00 - 16:00 17:00 - 18:00
No later than the next
business day ***
Ascending clock auction
Quarter Q1 to Q4 1st Monday
of July
Month monthly M1 3rd Monday of the month
Day daily D1 With the start of
the auction 17:30 30 minutes
No later than 30 minutes***
Uniform price auction
Note: - Time zone is Central European (Summer) Time - In some cases different auction times may apply
* 09:00 ** 07:00
*** after the end of the bidding round
Publication of available capacity Auction start
1st Monday Yearly auction Firm products
One month before auction start
One day after firm auction end
1st Monday Yearly auction Interruptible products
Two weeks before auction start
1st Monday Quarterly auction Firm products
One day after firm auction end
1st Monday Quarterly auction Interruptible products
March February April June July
February 2016
Mon Tue Wed Thu Fri Sat Sun
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29
April 2016
Mon Tue Wed Thu Fri Sat Sun
1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30
March 2016
Mon Tue Wed Thu Fri Sat Sun
1 2 3 4 5 6
7 8 9 10 11 12 13
14 15 16 17 18 19 20
21 22 23 24 25 26 27
28 29 30 31
Publication of available capacity Auction start
2nd Monday Monthly auction Firm products
One week before auction start
One day after firm auction end
3rd Monday Monthly auction Interruptible products
March February April
2nd Monday Monthly auction Firm products
One week before auction start
One day after firm auction end
3rd Monday Monthly auction Interruptible products
March
Long term Day 1:
09:00 - 12:00 1st bidding round
12:00 - 13:00 processing and publishing
13:00 - 14:00 2nd bidding round
14:00 - 15:00 processing and publishing
15:00 - 16:00 3rd bidding round
16:00 - 17:00 processing and publishing
17:00 - 18:00 4th bidding round
Day 2 and following:
09:00 - 10:00 5th bidding round
10:00 - 11:00 processing and publishing
11:00 - 12:00 6th bidding round
…
17:00 - 18:00 bidding round
Short term Day-Ahead:
16:30 - 17:00 only bidding round firm
17:30 - 18:00 only bidding round interruptible
Within-Day:
19:00 - 02:30 1st WID auction (24h runtime)
03:00 - 03:30 2nd WID auction (23h runtime)
….
01:00 - 01:30 3rd WID auction ( 1h runtime)
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Legend: P0 Regulated Tariff B1 - Bn Bid 1 to Bid n
Example 1
B1
Price
Amount
avail. capacity
B2 B3 B4 1. bidding round
P0
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Legend: P0 Regulated Tariff B1 - Bn Bid 1 to Bid n
Example 2
Price
Amount
avail. capacity
1. bidding round
P0
B1 B2 B3 B4 B5 B6
1. Bidding round: • Six bids are placed • Sum of all bids exceeds the
available capacity)
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Legend: P0 Regulated Tariff B1 - Bn Bid 1 to Bid n
Example 2
Price
Amount
avail. capacity
1. bidding round
B1 B2 B3 B4 B5 B6
2. Bidding round: • B3 reduces the bid • B5 does not place a bid • Sum of all bids exceeds the
available capacity (oversell)
2. bidding round B1 B2 B3 B4 B6
P0
P1
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Legend: P0 Regulated Tariff B1 - Bn Bid 1 to Bid n
Example 2
Price
Amount
avail. capacity
1. bidding round
B1 B2 B3 B4 B5 B6
3. Bidding round: • B4 reduces the bid • B6 does not place a bid • Sum of all bids equals the
available capacity • The auction closes at clearing
price P2
2. bidding round B1 B2 B3 B4 B6
3. bidding round B1 B2 B3 B4
P0
P1
P2
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•Legend: P0 Regulated Tariff B1 - Bn Bid 1 to Bid n
Example 3
Price
Amount
avail. capacity
1. bidding round
B1 B2 B3 B4 B5 B6
3. Bidding round: • B3 & B4 reduce the bid • B6 does not place a bid • Sum of all bids is lower than
the available capacity (undersell)
2. bidding round B1 B2 B3 B4 B6
3. bidding round B1 B2 B3 B4
P0
P1
P2
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Legend: P0 Regulated Tariff B1 - Bn Bid 1 to Bid n
Example 3
Price
Amount
avail. capacity
4. Bidding round: • 2nd large price step is revoked • 1st small price step is applied • B6 is allowed to place a bid • B4 reduces the bid • Sum of all bids is higher than
the available capacity (oversell)
2. bidding round B1 B2 B3 B4 B6
4. bidding round
B1 B2 B3 B4 B6
P2
P1
P3
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Legend: P0 Regulated Tariff B1 - Bn Bid 1 to Bid n
Example 3
Price
Amount
avail. capacity
5. Bidding round: • 2nd small price step is applied • B3 reduces the bid • Sum of all bids is higher than
the available capacity (oversell)
2. bidding round B1 B2 B3 B4 B6
4. bidding round
B1 B2 B3 B4 B6
5. bidding round B1 B2 B3 B4 B6
P2
P1
P3
P4
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Legend: P0 Regulated Tariff B1 - Bn Bid 1 to Bid n
Example 3
Price
Amount
avail. capacity
6. Bidding round: • 3rd small price step is applied • B6 does not place a bid • Sum of all bids is smaller than
the avail. capacity (undersell) • The auction closes at clearing
price P5
2. bidding round B1 B2 B3 B4 B6
4. bidding round
B1 B2 B3 B4 B6
5. bidding round B1 B2 B3 B4 B6
P2
P1
P3
P4
6. bidding round B2 B3 B4
P5 B1
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A
B
IPb_TSO2_EXIT
C
IPc_TSO3_EXIT
border Country 1 Market Zone A
Country 2 Market Zone B
AB
AC
IPa_TSO1_ENTRY
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A1
Shipper A Surcharge
avail. capacity
Shipper B Surcharge
avail. capacity
A2
Amount
B1 B2
B3
Amount
Amount
Su
rch
arg
e
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
A1
Surcharge
A2
Amount
B1 B2
B3
avail. capacity
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
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A1
Surcharge
A2
Amount
B1 B2
B3
avail. capacity
Example 1: fill procedure
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
A1 A2
Amount
B1 B2
B3
avail. capacity
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
clearing surcharge
Surcharge
Example 1: fill procedure
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A1 A2
Amount
B1 B3
avail. capacity
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
Surcharge
Example 2: kill procedure
B2
A1 A2
Amount
B1
avail. capacity
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
B2
clearing surcharge
Surcharge
Example 2: kill procedure
B3
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A1 A2
Amount
B1 B2 A3
avail. capacity
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
Surcharge
Example 3: pro-rata procedure
A1 A2
Amount
B1
avail. capacity
•
Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
Surcharge
Example 3: pro-rata procedure
B2 A3
A1 A2
Amount
B1
avail. capacity
•
Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
Surcharge
Example 3: pro-rata procedure
B2 A3
clearing surcharge
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A1
Amount
B1
avail. capacity
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
Surcharge
Example 4: demand lower than available capacity
clearing price = starting
price
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
Maximum amount Shipper 3
Minimum amount Shipper 3
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
Maximum amount Shipper 3
Minimum amount Shipper 3
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
Maximum amount Shipper 3
Minimum amount Shipper 3
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Maximum amount Shipper 2
Minimum amount Shipper 2
Maximum amount Shipper 1
Minimum amount Shipper 1
Legend:
Maximum amount Shipper 3
Minimum amount Shipper 3
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16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 06:00 08:00 10:00 11:00 04:00 05:00 07:00 09:00 12:00 13:00 14:00 15:00 17:00 18:00 16:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 06:00 04:00 05:00
Gas Day D Gas Day D-1
24h
24h
23h
22h
21h
20h
19h
18h
17h
16h
15h
14h
13h
12h
11h
10h
9h
8h
7h
6h
5h
4h
3h
2h
1h •
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16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 06:00 08:00 10:00 11:00 04:00 05:00 07:00 09:00 12:00 13:00 14:00 15:00 17:00 18:00 16:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00 02:00 03:00 06:00 04:00 05:00
Gas Day D Gas Day D-1
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Initiated by Selling Shipper Initiated by Buying Shipper
OTC • Offline negotiation on price & conditions
• Selling Shipper registers transaction
• Buying Shipper only confirms
• Offline negotiation on price & conditions
• Buying Shipper registers transaction
• Selling Shipper only confirms
Init
iati
ng
Sh
ipp
er
Res
po
nd
ing
Sh
ipp
er
Pla
tfo
rm
TS
O*
* 2 TSOs for bundled products
Publish trade
Receive trade
confirmation
Receive trade
confirmation
Receive trade
confirmation
Confirm trade
Activity on the platform
Create trade
proposal
Validate trade
proposal
Receive trade
proposal
Accept trade
Validate trade
Create trade Validate trade
Activity is not on the platform
Create trade proposal
Validate proposal
Place a response Create trade Validate trade Confirm trade Publish trade
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Initiated by Selling Shipper Initiated by Buying Shipper
FCFS
• Binding offer by Selling Shipper
at fixed price
• Countered with (partial) Response by
Buying Shipper
• Binding request by Buying Shipper
at fixed price
• Countered with (partial) Response by
Selling Shipper
Init
iati
ng
Sh
ipp
er
Res
po
nd
ing
Sh
ipp
er
Pla
tfo
rm
TS
O*
Publish trade
Receive trade
confirmation
Receive trade
confirmation
Receive trade
confirmation
Confirm trade
Create trade
proposal
Validate trade
proposal
Receive trade
proposal
Create a
response
Create trade
proposal
Validate
proposal
Place a
response Create trade Validate trade Confirm trade Publish trade
Validate trade
Create trade
(automatically) Validate trade
Publish trade
proposal
* 2 TSOs for bundled products Activity on the platform Activity is not on the platform
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Initiated by Selling Shipper Initiated by Buying Shipper
Call for Orders
• CFO started by Selling Shipper
• Buying Shipper proposes (partial) Response &
price
• Response evaluation by Selling Shipper
• CFO started by Buying Shipper
• Buying Shipper proposes (partial) Response & price
• Response evaluation by Buying Shipper
Init
iati
ng
Sh
ipp
er
Res
po
nd
ing
Sh
ipp
er
Pla
tfo
rm
TS
O*
Publish trade
Receive trade
confirmation
Receive trade
confirmation
Receive trade
confirmation
Confirm trade
Create trade
proposal
Validate trade
proposal
Receive trade
proposal
Create a
response
Create trade
proposal
Validate
proposal
Place a
response Create trade Validate trade Confirm trade Publish trade
Validate trade
Create trade Validate trade
Accept
response
Publish trade
proposal
* 2 TSOs for bundled products Activity on the platform Activity is not on the platform
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Study
Expert review
User Consultations
Design Challenges
User Validation
New Design
Implementation
Test
Go-live
Indicative design concepts Detailed Mock-ups Updated design
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