The Trade and Storage segment uses for its own needs the working capacities of the Wierzchowice, Husów, Strachocina, Swarzów and Brzeźnica underground gas storage facilities as well as the Mogilno and Kosakowo underground cavern facilities. A part of the working capacity of the Mogilno facility, which was made available to Gaz-System. The capacities of gas storage facilities are managed by GSP. GSP conducts activities in two principal areas:
- regulated activities comprising the provision of gaseous fuel storage services at storage facilities owned by PGNiG as well as operation of the Mogilno and Kosakowo underground gas storage caverns;
- non-regulated activities comprising the provision of services related to design, construction and extension of underground gas storage facilities.
Short-term peak fluctuations in demand for natural gas are balanced by supplies from the Mogilno and Kosakowo facilities, where gas is stored in worked-out salt caverns. The capacities of the Wierzchowice, Husów, Strachocina, Swarzów and Brzeźnica facilities are used to balance out changes in demand for natural gas in the summer and winter seasons, to meet the obligations under take-or-pay import contracts, to ensure the continuity and security of natural gas supplies and to meet the obligations under gas supply contracts with customers. GSP as the storage system operator, additionally provides storage services are provided under standard storage service agreements (SSSA).
take or pay
A type of contract under which a party agrees to collect the entire volume ordered or its part and pay compensation to the supplier if it fails to collect a part of the volume ordered
GSP’s services are provided using the following Storage Facilities (SF) and Groups of Storage Facilities (GSF):
- Kawerna GSF (comprising the Mogilno CUGSF and Kosakowo CUGSF, located in worked-out salt caverns);
- Sanok GSF (comprising the Husów UGSF, Strachocina UGSF, Swarzów UGSF and Brzeźnica UGSF, located in partly depleted gas reservoirs);
- Wierzchowice UGSF.
In the reporting year 2016, GSP offered the following gas fuel storage services:
- packaged services and stand-alone services;
- provided on a firm or interruptible basis;
- long-term services and short-term services and single-day services (injection or withdrawal capacity for 1–24 hours, on an interruptible basis);
- extension/reduction of the scope of services provided.
As at December 31st, 2016, GSP provided a total of 5,757 storage capacity packages, including 2,192 packages of services provided on a firm basis and 3,565 packages on an interruptible basis. As at December 31st, 2016, 97% of the storage capacities were reserved for PGNiG, 2% for external customers, with the remaining 1% of total capacities idle. As at December 31st, 2016, the PGNiG Group had a total working storage capacity of 2,928.7 mcm (32 128 GWh), of which 2,888.5 mcm (31 687 GWh) was made available on a TPA basis or to Gaz-System under a long-term contract.
Third Party Access (TPA)
The principle that the owner/operator of infrastructure has the obligation to make this infrastructure available to third parties enable them to provide supplies to their own customers