1 study on underground gas storage in europe and central asia working party on gas geneva, january...
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Study on Study on Underground Gas Storage Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
Working Party on GasWorking Party on Gas
Geneva, January 19, 2010Geneva, January 19, 2010
United Nations Economic Commission for Europe Committee on Sustainable Energy
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Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
Economic Commission for Europe / Committee on Sustainable Energy
Summary :• General consideration about Underground Gas
Storage (UGS)• Overview of UGS business from IGU• The study on UGS in Europe and Central Asia
carried out in the 90’s• Opportunity for updating the UGS study• Structure of the new UGS study• Organization of the UNECE Working Group• Current status of the UNECE UGS study• Conclusion
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UNDERGROUND GAS STORAGE (UGS) UNDERGROUND GAS STORAGE (UGS) TECHNOLOGIESTECHNOLOGIES
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UGS TYPESUGS TYPES
• UGS types• Porous rock (depleted fields / aquifers)
• Salt cavern
• Mined caverns
• Subsurface facilities• Wells
• Surface facilities• compressors
• gas treatment
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UGS TYPESUGS TYPESUGS in former oil or gas fields or in
Aquifers
• High working capacity
• Low to medium withdrawal rate (60-120 d.)
• Low to medium injection rate (120-180 d.)Covering layerPorous ReservoirCentral station Production wellControl wellControl well in the upper aquiferUpper aquifer
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UGS TYPESUGS TYPES
UGS in salt caverns
• Relatively low working gas capacity
• High withdrawal rate (15-30 days)
• High injection rate (15-30 days)
if necessary
• Central station
• Wells
• Caverns
• Salt layer4
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SURFACE FACILITIESSURFACE FACILITIES
Compression
Dehydration
Additional gas treatment
Met
erin
gGas
transmission network
Well
Gas to or from the wells
Injection Withdrawal Central station
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Safety equipment
Gas treatmentGas quality Lab.
Metering Interconnection
Gas transmission network
Control roomCompressors
Grid from and to the wells Venting system
Pipes to wells
Well
UGS IN OPERATIONUGS IN OPERATION
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NEED FOR UNDERGROUND GAS NEED FOR UNDERGROUND GAS STORAGE STORAGE
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TRADITIONAL NEEDS FOR UGSTRADITIONAL NEEDS FOR UGS
• Adjusting supply and demand • seasonal modulation (summer / winter)
• Optimising transmission and production infrastructures
• Balance for Transmission network
• Ensuring security of supply• Mitigating risk in case of supply shortage due to technical issues, extreme climatic conditions,...
• Complying with public obligations
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NEW REQUIREMENTS FOR NEW REQUIREMENTS FOR UGSUGS• Offering more flexibility
• Weekly: changes due to temperature or holidays• Daily: changes (working days / weekends)• Hourly: peak consumption morning / afternoon
• For storage customers:• Traders/suppliers• Gas power production• TSO, DSO
• Developing arbitrage
• coordination between different means of power production (wind farms)
• Spot market / long term contract
• LNG/Storage
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DURATION AND COST OF UGS DURATION AND COST OF UGS DEVELOPMENT DEVELOPMENT
UGS business is capex intensive
Source: Clingendael – the European market for seasonal storage 2006
Type of storage Average development duration in years
Aquifers 10 - 12
Depleted fields 5 - 8
Salt caverns 5 - 10
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Current Regulation of Storage within Directive 2003/55/EC, Article 19(1)
•TPA access to UGS facilities when technically and/or economically necessary
•Member States can choose between negotiated TPA or regulated TPA for UGS or both procedures
•access on transparent and non discriminatory basis•exemptions from TPA under art 22•regulators generally monitor the access conditions to UGS
GGPSSO (Guidelines for Good TPA Practice for Storage System Operators)
•In March 2005, a minimum set of rules required for the organization of the storage market were agreed, after a consultation of European Regulators (ERGEG) with SSOs
EUROPEAN REGULATORY EUROPEAN REGULATORY FRAMEWORKFRAMEWORK
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Future Regulation of storage within the third Energy Package
• Member States can choose either or both negotiated/regulated access (regulated access implying conditions set by an independent regulator)
• legally binding guidelines (GGPSSO)gives details for management of services and capacity allocation
• legal and functional unbundling• regulatory oversight• transparency on and pre-definition of criteria adopted for the
definition of capacity for TPA (MS or Regulators define these criteria)
• the 3rd Energy Package (July 2009) will be implemented in 2011
• New Security of Supply Regulation (repealing 2004 SoS Directive)
Gas Storage Europe is the interface with the EC.
EUROPEAN REGULATORY EUROPEAN REGULATORY FRAMEWORKFRAMEWORK
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Overview of Access Regimes to Overview of Access Regimes to UGS across EuropeUGS across Europe
Regulated
Negotiated
Hybrid
N.A.
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20
40
60
80
100
120
1990 1995 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2015 2020 2025 2030
bcm
Netherlands
France
Germany
Italy
UK
Source: Global Insight, 2004
Decreasing gas production in Europe
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100
200
300
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600
700
1990 1995 2000 2005 2010 2015 2020 2025 2030
Mto
e
Source: European Commission, 2004.
Increasing gas demand in the enlarged EU
Increasing distances between production and
consumption areas
MORE NEEDS FOR UGS ?MORE NEEDS FOR UGS ?
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OVERVIEW ABOUT UGS OVERVIEW ABOUT UGS BUSINESS FROM IGUBUSINESS FROM IGU
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THE UNECE STUDY ON UGS IN THE UNECE STUDY ON UGS IN EUROPE AND CENTRAL ASIAEUROPE AND CENTRAL ASIA
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19Economic Commission for Europe / Committee on Sustainable Energy
The First Study carried out in the 90’s:• The first study on UGS in Europe and Central Asia
started in 1996 and was finalized in 1999.• It was composed of 6 chapters which dealt with
new technologies, current status, new projects, regulation frameworks, costs of storage and trends of market.
• Approx. 75 experts from 35 countries (from UNECE region and USA) participated in this study.
• This study was unique for its multidisciplinary approach and the geographic areas concerned.
Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
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20Economic Commission for Europe / Committee on Sustainable Energy
The First Study carried out in the 90’s :
Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
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21Economic Commission for Europe / Committee on Sustainable Energy
The First Study carrieinvestment costs for aquifers vs sized out in the 90’s :
-
Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
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22Economic Commission for Europe / Committee on Sustainable Energy
Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
The First Study carried out in the 90’s :
- investment costs for depleted fields vs size
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23Economic Commission for Europe / Committee on Sustainable Energy
Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
The First Study carried out in the 90’s :
- investment costs for salt caverns vs size
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24Economic Commission for Europe / Committee on Sustainable Energy
The First Study carried out in the 90’s.
- investment cost breakdown
Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
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25Economic Commission for Europe / Committee on Sustainable Energy
The First Study carried out in the 90’s :
- « current » transnational modulation.
Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
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26Economic Commission for Europe / Committee on Sustainable Energy
The First Study carried out in the 90’s :
- « future » transnational modulation.
Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
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Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
Economic Commission for Europe / Committee on Sustainable Energy
Why updating the Study ? • The market became more complex and changed
significantly, particularly after the EU Directives for liberalization of gas market (TPA concept) : investment decision making then became more difficult,
• Many newcomers entered the market as operators (SSOs) or as customers (TSOs, shippers, DSOs and power producers),
• Due to the further decline of EU gas production, UGS becomes and will become more and more important,
• Investors and developers of Gas Industry need to have benchmark for investment decisions.
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28Economic Commission for Europe / Committee on Sustainable Energy
Structure of the new study (1st part) :
• Chapter 1 : New and emerging technologies : identify the main technological improvements in UGS business that may lead to a better cost efficiency,
(Heads : Mr A. Iskhakov (Gazprom), Mr H. Spreckels – E-On Gas Storage and Mr C. Gomez-Montalvo - Geostock)
• Chapter 2 : Current UGS status : set up an updated data base for all existing UGS plants in each country, (Head : Mr M. Sandu – Romgaz with support of Mr J. Wallbrecht – BEB / IGU and Mr A. Iskhakov ( Gazprom)
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29Economic Commission for Europe / Committee on Sustainable Energy
Structure of the new study (2nd part) :• Chapter 3 : Market structure and legal framework :
describe the legislation and guidelines for UGS market organization (incl. TPA rules) and UGS services,
(Head : G.-H. Joffre – Storengy with support of Ms A. Brandenburger– RWE Gasspeicher and Mr U. Duda – E.On Gas Storage)
• Chapter 4 : UGS projects : set up a data base for planned projects in each country including criteria for selecting projects,(Head : Mr F. Favret (EDF) with support of Mr J. Wallbrecht – BEB / IGU, Ms A. Brandenburger– RWE Gasspeicher and Mr U. Duda – E.On Gas Storage)
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30Economic Commission for Europe / Committee on Sustainable Energy
Structure of the new study (3rd part) :• Chapter 5 : Legal framework for development and
operation : provide with all useful information (legislation and procedures) necessary for granting consents and authorizations to SSO,
(Heads : Mr T. Korosi - Hungarian Energy Office and Mr W. Rokosz (PGNiG) with support of Ms A. Brandenburger– RWE Gasspeicher and Mr Z. Czike E.On Földgaz Storage Energy),
• Chapter 6 : Tariffs of UGS : provide with information (if available and taking into account confidentiality issues) about TPA tariffs and cost of construction,(Head : Mr G. Martinus – Gas Terra with support of Mr Z. Czike E.On Földgaz Storage Energy) and Mr W. Rokosz (PGNiG)
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31Economic Commission for Europe / Committee on Sustainable Energy
Structure of the new study (4th part) :• Chapter 7 : Outlook and main expected trends of
UGS markets : describe the gas market (supply and demand) evolution and define the UGS needs subject to this evolution. (Head : Mr G. Martinus – Gas Terra with support of Mr J. Wallbrecht – BEB / IGU, Ms A. Brandenburger– RWE Gasspeicher and Mr U. Duda – E.On Gas Storage)
• Conclusion and recommendations : incl. Comparison with the first study.
• Annexes : glossary, contact details, maps, data base, units, bibliography,…
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Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
Economic Commission for Europe / Committee on Sustainable Energy
Organization of the study :• Appoint Heads of chapters for each chapter,• Make efficient use of already available data
(cooperate with IGU, GSE, ERGEG, IEA?…),• Use a country by country approach (country
representative) for gathering data but also take into account a market area concept,
• Regularly assess the work progress by 3-month intervals meetings in various UNECE member Countries,
• Appoint Country representatives.
Objective : Finalize the study by the end of 2010.
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Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia
Economic Commission for Europe / Committee on Sustainable Energy
Current status of the study :
• 9 meetings were organized since June 2008,• All Head of Chapters have been appointed;• All questionnaires are ready to be integrated in the
UNECE web site,• A special meeting with IGU and GSE has been
organized on 24th November 2009 for sharing data bases for existing and planned gas storage plants : as a result, the data collected will be jointly owned by IGU and UNECE and will be updated on the same web site.
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34Economic Commission for Europe / Committee on Sustainable Energy
Conclusion • Since the study was presented to the UNECE / Working
Party on Gas on 20th January 2009, significant progress have been made, particulary by finalizing questionnaires and by strenghtening the cooperation with IGU and GSE,
• The first results of the study could be available at the end of the year 2010 and a first be presented to the next WP on Gas session (and a final report at mid 2011)
But, for proceeding,• we need manpower for supporting the Heads of chapters,• we need representatives in each UNECE member country
(in public bodies or companies).
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35Economic Commission for Europe / Committee on Sustainable Energy
Thanks for your attention
Study on Underground Gas Storage Study on Underground Gas Storage in Europe and Central Asiain Europe and Central Asia