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The natural gas chain
ExtractionThe gas is extracted from the
gas �elds using drilling wells and extraction pipes
LiquefactionThe NG is lique�ed (LNG) to
reduce its volume and make it easier to transport
NG transportThe natural gas (NG) is transported through gas pipelines
LNG transportationThe liquid natural gas
is transported in methane tankers to
regasi�cation plants
NG transportNatural gas is transported
through the high-pressure network
Distribution to end consumers
Regasi�cationThe liquid gas is
returned to its original gaseous state in
regasi�cation plants
Underground storageGas has been stored naturally for millions of years. The process will be replicated at Yela where a natural formation will be used as an underground storage facility.
The facility has been designed and developed to the highest standards of safety and environmental protection and will play a key role in the Gas System: evening out the di�erences in consumption between summer and winter and retaining a cushion of strategic reserves. In short, it will help to guarantee the supply of natural gas.
Natural gas’s long journey from the gas �elds to the end consumer
A system that copies nature
The Yela project being developed by Enagás in the province of Guadalajara will be the third underground natural gas storage facility in Spain. A key piece of infrastructure in the Spanish Gas System due to its strategic location in the centre of the Iberian peninsula.
Printed on recycled paper and chlorine-free
Underground natural gas storage facility
Yela
Enagás, S.A.902 443 700
www.enagas.es
More than 90 years of underground storage facilities
are in deep saline aquifers, including one under Berlin’s city centre. The �rst dates
Guadalajara
Poseidón
YelaCastor
Serrablo
Gaviota
Palancares
main storage facilities in Europe
storage facilities in operation
storage facilities under development
The Yela storage facility is located in the municipal area of Brihuega
the surface of the Earth, made of Upper Cretaceous fractured dolomites. The porosity and permeability of the aquifer, contained within seal rock, allow gas to be stored inside.
Guadalajara
Yela
The natural gas chain
ExtractionThe gas is extracted from the
gas �elds using drilling wells and extraction pipes
LiquefactionThe NG is lique�ed (LNG) to
reduce its volume and make it easier to transport
NG transportThe natural gas (NG) is transported through gas pipelines
LNG transportationThe liquid natural gas
is transported in methane tankers to
regasi�cation plants
NG transportNatural gas is transported
through the high-pressure network
Distribution to end consumers
Regasi�cationThe liquid gas is
returned to its original gaseous state in
regasi�cation plants
Underground storageGas has been stored naturally for millions of years. The process will be replicated at Yela where a natural formation will be used as an underground storage facility.
The facility has been designed and developed to the highest standards of safety and environmental protection and will play a key role in the Gas System: evening out the di�erences in consumption between summer and winter and retaining a cushion of strategic reserves. In short, it will help to guarantee the supply of natural gas.
Natural gas’s long journey from the gas �elds to the end consumer
A system that copies nature
The Yela project being developed by Enagás in the province of Guadalajara will be the third underground natural gas storage facility in Spain. A key piece of infrastructure in the Spanish Gas System due to its strategic location in the centre of the Iberian peninsula.
Printed on recycled paper and chlorine-free
Underground natural gas storage facility
Yela
Enagás, S.A.902 443 700
www.enagas.es
More than 90 years of underground storage facilities
are in deep saline aquifers, including one under Berlin’s city centre. The �rst dates
Guadalajara
Poseidón
YelaCastor
Serrablo
Gaviota
Palancares
main storage facilities in Europe
storage facilities in operation
storage facilities under development
The Yela storage facility is located in the municipal area of Brihuega
the surface of the Earth, made of Upper Cretaceous fractured dolomites. The porosity and permeability of the aquifer, contained within seal rock, allow gas to be stored inside.
Guadalajara
Yela
The natural gas chain
ExtractionThe gas is extracted from the
gas �elds using drilling wells and extraction pipes
LiquefactionThe NG is lique�ed (LNG) to
reduce its volume and make it easier to transport
NG transportThe natural gas (NG) is transported through gas pipelines
LNG transportationThe liquid natural gas
is transported in methane tankers to
regasi�cation plants
NG transportNatural gas is transported
through the high-pressure network
Distribution to end consumers
Regasi�cationThe liquid gas is
returned to its original gaseous state in
regasi�cation plants
Underground storageGas has been stored naturally for millions of years. The process will be replicated at Yela where a natural formation will be used as an underground storage facility.
The facility has been designed and developed to the highest standards of safety and environmental protection and will play a key role in the Gas System: evening out the di�erences in consumption between summer and winter and retaining a cushion of strategic reserves. In short, it will help to guarantee the supply of natural gas.
Natural gas’s long journey from the gas �elds to the end consumer
A system that copies nature
The Yela project being developed by Enagás in the province of Guadalajara will be the third underground natural gas storage facility in Spain. A key piece of infrastructure in the Spanish Gas System due to its strategic location in the centre of the Iberian peninsula.
Printed on recycled paper and chlorine-free
Underground natural gas storage facility
Yela
Enagás, S.A.902 443 700
www.enagas.es
More than 90 years of underground storage facilities
are in deep saline aquifers, including one under Berlin’s city centre. The �rst dates
Guadalajara
Poseidón
YelaCastor
Serrablo
Gaviota
Palancares
main storage facilities in Europe
storage facilities in operation
storage facilities under development
The Yela storage facility is located in the municipal area of Brihuega
the surface of the Earth, made of Upper Cretaceous fractured dolomites. The porosity and permeability of the aquifer, contained within seal rock, allow gas to be stored inside.
Guadalajara
Yela
Yela underground storage facility Main features of the Yela storage facility
The Yela storage facility is a project developed by Enagás, leader in natural gas transportation, storage and regasi�cation with more than forty years experience in constructing gas infrastructure in Spain.
Enagás also owns two other underground storage facilities: Serrablo, located in Huesca and in operation since 1991, and Gaviota, located o� the coast of Vizcaya, that started operating
The company also has almost
pipelines throughout the country, three regasi�cation plants in Barcelona, Cartagena and Huelva and
Gas (BBG) plant in Bilbao.
Spain imports practically all the gas it consumes, and its storage capacity
neighbouring European states. New storage facilities are required for the future.Enagás is constantly investigating all possibilities for underground natural gas storage in Spain.
Increasing storage capacity is a key factor to guaranteeing supply
Enagás, leader in natural gas storage
· The facility will guarantee supply for the entire Spanish gas system, particularly in the central region and the province of Guadalajara. Therefore, it will be key during peak periods of gas demand.
· It will make Brihuega a benchmark among energy centres.
· It will boost the economy of the area by directly and indirectly creating employment and wealth.
· It will help build a sustainable model, as its composition and e�ciency makes natural gas the least contaminating fossil fuel.
Key project dates
Seismic survey carried out in central Spain
1991Study of the Santa
Bárbara structure using seismic and other
exploratory surveys
1998-2004Enagás obtains the
operating concession and recognition for public
use for the Yela storage facility
2007Environmental
Impact Statement obtained
2008Government
Authorisation obtained and
work starts
2009Storage facility
starts operating
2012
Plant on surface
Storage
Initial situation
Gas injection
Gas extraction
Limestone
Marls
Clays
Anhydrite
Water
Water
Dolomite
Control well
Limestone
Clays
Seal rock
Anhydrite
Dolomite
Process water tank
Compressor room
Gas-drying units
Permeable and porous formation saturated with salt water located
under the impermeable rock
Well heads
Water tank for �re-�ghting
O�ce building
Control well
Safety valve at
Injection/Extraction
well
StorageProcess· Injection
In summer, compressed gas is injected through the wells. This saline aquifer is a natural deposit.
· ProductionIn winter, the gas is extracted. Water re�lls the pores in the aquifer. The gas is treated and injected into the grid.
The surface installations of the storage facility
are on a raised plain
Operating well
Seal rock
Injection/ extraction of gas
Plant on surface
Natural gas
Water
Storage facility in a natural saline aquifer made of porous rock
StoragePorous storage rock (dolomite)
Workings of a storage facility
in a saline aquifer or exhausted gas or oil �elds. The injected gas displaces the water and �lls the pores in the storage rock, which is sealed by a later of impermeable rock above.
Storage facility technical data
Yela underground storage facility Main features of the Yela storage facility
The Yela storage facility is a project developed by Enagás, leader in natural gas transportation, storage and regasi�cation with more than forty years experience in constructing gas infrastructure in Spain.
Enagás also owns two other underground storage facilities: Serrablo, located in Huesca and in operation since 1991, and Gaviota, located o� the coast of Vizcaya, that started operating
The company also has almost
pipelines throughout the country, three regasi�cation plants in Barcelona, Cartagena and Huelva and
Gas (BBG) plant in Bilbao.
Spain imports practically all the gas it consumes, and its storage capacity
neighbouring European states. New storage facilities are required for the future.Enagás is constantly investigating all possibilities for underground natural gas storage in Spain.
Increasing storage capacity is a key factor to guaranteeing supply
Enagás, leader in natural gas storage
· The facility will guarantee supply for the entire Spanish gas system, particularly in the central region and the province of Guadalajara. Therefore, it will be key during peak periods of gas demand.
· It will make Brihuega a benchmark among energy centres.
· It will boost the economy of the area by directly and indirectly creating employment and wealth.
· It will help build a sustainable model, as its composition and e�ciency makes natural gas the least contaminating fossil fuel.
Key project dates
Seismic survey carried out in central Spain
1991Study of the Santa
Bárbara structure using seismic and other
exploratory surveys
1998-2004Enagás obtains the
operating concession and recognition for public
use for the Yela storage facility
2007Environmental
Impact Statement obtained
2008Government
Authorisation obtained and
work starts
2009Storage facility
starts operating
2012
Plant on surface
Storage
Initial situation
Gas injection
Gas extraction
Limestone
Marls
Clays
Anhydrite
Water
Water
Dolomite
Control well
Limestone
Clays
Seal rock
Anhydrite
Dolomite
Process water tank
Compressor room
Gas-drying units
Permeable and porous formation saturated with salt water located
under the impermeable rock
Well heads
Water tank for �re-�ghting
O�ce building
Control well
Safety valve at
Injection/Extraction
well
StorageProcess· Injection
In summer, compressed gas is injected through the wells. This saline aquifer is a natural deposit.
· ProductionIn winter, the gas is extracted. Water re�lls the pores in the aquifer. The gas is treated and injected into the grid.
The surface installations of the storage facility
are on a raised plain
Operating well
Seal rock
Injection/ extraction of gas
Plant on surface
Natural gas
Water
Storage facility in a natural saline aquifer made of porous rock
StoragePorous storage rock (dolomite)
Workings of a storage facility
in a saline aquifer or exhausted gas or oil �elds. The injected gas displaces the water and �lls the pores in the storage rock, which is sealed by a later of impermeable rock above.
Storage facility technical data
Yela underground storage facility Main features of the Yela storage facility
The Yela storage facility is a project developed by Enagás, leader in natural gas transportation, storage and regasi�cation with more than forty years experience in constructing gas infrastructure in Spain.
Enagás also owns two other underground storage facilities: Serrablo, located in Huesca and in operation since 1991, and Gaviota, located o� the coast of Vizcaya, that started operating
The company also has almost
pipelines throughout the country, three regasi�cation plants in Barcelona, Cartagena and Huelva and
Gas (BBG) plant in Bilbao.
Spain imports practically all the gas it consumes, and its storage capacity
neighbouring European states. New storage facilities are required for the future.Enagás is constantly investigating all possibilities for underground natural gas storage in Spain.
Increasing storage capacity is a key factor to guaranteeing supply
Enagás, leader in natural gas storage
· The facility will guarantee supply for the entire Spanish gas system, particularly in the central region and the province of Guadalajara. Therefore, it will be key during peak periods of gas demand.
· It will make Brihuega a benchmark among energy centres.
· It will boost the economy of the area by directly and indirectly creating employment and wealth.
· It will help build a sustainable model, as its composition and e�ciency makes natural gas the least contaminating fossil fuel.
Key project dates
Seismic survey carried out in central Spain
1991Study of the Santa
Bárbara structure using seismic and other
exploratory surveys
1998-2004Enagás obtains the
operating concession and recognition for public
use for the Yela storage facility
2007Environmental
Impact Statement obtained
2008Government
Authorisation obtained and
work starts
2009Storage facility
starts operating
2012
Plant on surface
Storage
Initial situation
Gas injection
Gas extraction
Limestone
Marls
Clays
Anhydrite
Water
Water
Dolomite
Control well
Limestone
Clays
Seal rock
Anhydrite
Dolomite
Process water tank
Compressor room
Gas-drying units
Permeable and porous formation saturated with salt water located
under the impermeable rock
Well heads
Water tank for �re-�ghting
O�ce building
Control well
Safety valve at
Injection/Extraction
well
StorageProcess· Injection
In summer, compressed gas is injected through the wells. This saline aquifer is a natural deposit.
· ProductionIn winter, the gas is extracted. Water re�lls the pores in the aquifer. The gas is treated and injected into the grid.
The surface installations of the storage facility
are on a raised plain
Operating well
Seal rock
Injection/ extraction of gas
Plant on surface
Natural gas
Water
Storage facility in a natural saline aquifer made of porous rock
StoragePorous storage rock (dolomite)
Workings of a storage facility
in a saline aquifer or exhausted gas or oil �elds. The injected gas displaces the water and �lls the pores in the storage rock, which is sealed by a later of impermeable rock above.
Storage facility technical data
Yela underground storage facility Main features of the Yela storage facility
The Yela storage facility is a project developed by Enagás, leader in natural gas transportation, storage and regasi�cation with more than forty years experience in constructing gas infrastructure in Spain.
Enagás also owns two other underground storage facilities: Serrablo, located in Huesca and in operation since 1991, and Gaviota, located o� the coast of Vizcaya, that started operating
The company also has almost
pipelines throughout the country, three regasi�cation plants in Barcelona, Cartagena and Huelva and
Gas (BBG) plant in Bilbao.
Spain imports practically all the gas it consumes, and its storage capacity
neighbouring European states. New storage facilities are required for the future.Enagás is constantly investigating all possibilities for underground natural gas storage in Spain.
Increasing storage capacity is a key factor to guaranteeing supply
Enagás, leader in natural gas storage
· The facility will guarantee supply for the entire Spanish gas system, particularly in the central region and the province of Guadalajara. Therefore, it will be key during peak periods of gas demand.
· It will make Brihuega a benchmark among energy centres.
· It will boost the economy of the area by directly and indirectly creating employment and wealth.
· It will help build a sustainable model, as its composition and e�ciency makes natural gas the least contaminating fossil fuel.
Key project dates
Seismic survey carried out in central Spain
1991Study of the Santa
Bárbara structure using seismic and other
exploratory surveys
1998-2004Enagás obtains the
operating concession and recognition for public
use for the Yela storage facility
2007Environmental
Impact Statement obtained
2008Government
Authorisation obtained and
work starts
2009Storage facility
starts operating
2012
Plant on surface
Storage
Initial situation
Gas injection
Gas extraction
Limestone
Marls
Clays
Anhydrite
Water
Water
Dolomite
Control well
Limestone
Clays
Seal rock
Anhydrite
Dolomite
Process water tank
Compressor room
Gas-drying units
Permeable and porous formation saturated with salt water located
under the impermeable rock
Well heads
Water tank for �re-�ghting
O�ce building
Control well
Safety valve at
Injection/Extraction
well
StorageProcess· Injection
In summer, compressed gas is injected through the wells. This saline aquifer is a natural deposit.
· ProductionIn winter, the gas is extracted. Water re�lls the pores in the aquifer. The gas is treated and injected into the grid.
The surface installations of the storage facility
are on a raised plain
Operating well
Seal rock
Injection/ extraction of gas
Plant on surface
Natural gas
Water
Storage facility in a natural saline aquifer made of porous rock
StoragePorous storage rock (dolomite)
Workings of a storage facility
in a saline aquifer or exhausted gas or oil �elds. The injected gas displaces the water and �lls the pores in the storage rock, which is sealed by a later of impermeable rock above.
Storage facility technical data
The natural gas chain
ExtractionThe gas is extracted from the
gas �elds using drilling wells and extraction pipes
LiquefactionThe NG is lique�ed (LNG) to
reduce its volume and make it easier to transport
NG transportThe natural gas (NG) is transported through gas pipelines
LNG transportationThe liquid natural gas
is transported in methane tankers to
regasi�cation plants
NG transportNatural gas is transported
through the high-pressure network
Distribution to end consumers
Regasi�cationThe liquid gas is
returned to its original gaseous state in
regasi�cation plants
Underground storageGas has been stored naturally for millions of years. The process will be replicated at Yela where a natural formation will be used as an underground storage facility.
The facility has been designed and developed to the highest standards of safety and environmental protection and will play a key role in the Gas System: evening out the di�erences in consumption between summer and winter and retaining a cushion of strategic reserves. In short, it will help to guarantee the supply of natural gas.
Natural gas’s long journey from the gas �elds to the end consumer
A system that copies nature
The Yela project being developed by Enagás in the province of Guadalajara will be the third underground natural gas storage facility in Spain. A key piece of infrastructure in the Spanish Gas System due to its strategic location in the centre of the Iberian peninsula.
Printed on recycled paper and chlorine-free
Underground natural gas storage facility
Yela
Enagás, S.A.902 443 700
www.enagas.es
More than 90 years of underground storage facilities
are in deep saline aquifers, including one under Berlin’s city centre. The �rst dates
Guadalajara
Poseidón
YelaCastor
Serrablo
Gaviota
Palancares
main storage facilities in Europe
storage facilities in operation
storage facilities under development
The Yela storage facility is located in the municipal area of Brihuega
the surface of the Earth, made of Upper Cretaceous fractured dolomites. The porosity and permeability of the aquifer, contained within seal rock, allow gas to be stored inside.
Guadalajara
Yela
