Fluxys Belgium: Subscription Window Opening for Long-term Storage Capacity

Seize the opportunity to secure long-term storage capacities by participating in our new Subscription Window for Golden Standard Bundled Units (SBU) and Priority Booster Capacity (PBC).
The offering is starting today November 19 at 12:00 CET (noon) and will end on December 8 at 12:00 CET (noon).

  

What are the offered services?

  • Long term Golden Standard Bundled Units (SBU) starting on 1st April 2026 for a maximum duration of 10 Storage Years.

 


Storage Year

Offered SBUs (firm)
#SBUs
2026-2027 57.458
2027-2028 176.646
2028-2029 240.357
2029-2030 250.000
2030-2031 250.000
2031-2032 250.000
2032-2033 250.000
2033-2034 250.000
2034-2035 250.000
2035-2036 250.000

 

  • Seasonal and Quarterly Priority Booster Capacity (PBC) in order to boost the firm injection and withdrawal capacities included in the offered Golden SBUs.

 

 
Storage Year

Offered PBC Injection 
MWh/h


 Q2 Y  Q3 Y  Q4 Y  Q1 Y+1
 2026-2027  807  807  807  807
 2027-2028  1.401  1.401  1.401  1.401
 2028-2029  1.700  1.700  1.700  1.700
 2029-2030 1.700  1.700  1.700  1.700
 2030-2031  1.700  1.700  1.700  1.700
 2031-2032  1.700  1.700  1.700  1.700
 2032-2033  1.700  1.700  1.700  1.700
 2033-2034  1.700  1.700  1.700  1.700
 2034-2035  1.700  1.700  1.700  1.700
 2035-2036  1.700  1.700  1.700  1.700

 

 


Storage Year

Offered PBC Withdrawal
MWh/h

  Q2 Y Q3 Y Q4 Y Q1 Y+1
2026-2027 1.072 1.072 1.072 1.062
2027-2028 1.862 1.862 1.862 1.852
2028-2029 2.260 2.260 2.260 2.250
2029-2030 2.260 2.260 2.260 2.260
2030-2031 2.260 2.260 2.260 2.260
2031-2032 2.260 2.260 2.260 2.260
2032-2033 2.260 2.260 2.260 2.260
2033-2034 2.260 2.260 2.260 2.260
2034-2035 2.260 2.260 2.260 2.260
2035-2036 2.260 2.260 2.260 2.260

 

 

How can you subscribe?

1. Read the Terms and Conditions of Subscription window (TCSW).
2. Fill in the Service Request Form (SRFC).
3. Submit your completed and signed binding request to info.storage@fluxys.com before 8 December 2025 at 12:00 CET (noon).

 

More information?

Should you have any further questions regarding the above, feel free to contact us at info.storage@fluxys.com.

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