Corporación de Reservas
Estratégicas
de Productos Petrolíferos

Public Law Corporation
under the aegis of the
Ministry for the
Ecological Transition

Natural gas

In the natural gas sector, CORES is responsible for ensuring compliance with the obligation to maintain minimum security stocks. Moreover, also within the scope of security of supply and as an activity that differentiates it from other similar European entities, CORES contributes to ensuring appropriate diversification of the natural gas supplies in Spain.

 

 

Maintenance of minimum security stocks

The obligation to maintain minimum security stocks of natural gas in Spain currently means holding 20 days of the previous calendar year’s confirmed sales or consumption. This supply must be integrally maintained by the obligated entities and held at all times in underground storage facilities. CORES does not store strategic stocks of natural gas. 

The entities obliged to maintain minimum stocks of natural gas are natural gas shippers and direct consumers on the market (for the part of their confirmed consumption not supplied by a shipper). 

Mobilization of the minimum security stocks of natural gas in case of need corresponds exclusively to the government.

Diversification

If over 50% of the total amount of the annual natural gas supplies used for domestic consumption (with the exception of gas acquired for facilities with alternative combustion) comes from a single country of origin, the shippers that provide over 7% of the annual supply must diversify their portfolios. CORES is responsible for overseeing this obligation.

The obligation to maintain minimum security stocks of natural gas is equivalent to 20 days of confirmed sales
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