COMMISSION REGULATION (EU) 2017/1485
of 2 August 2017
establishing a guideline on electricity transmission system operation
(Text with EEA relevance)
PART I
GENERAL PROVISIONS
Article 1
Subject matter
Article 2
Scope
Article 3
Definitions
Article 4
Objectives and regulatory aspects
Article 5
Terms and conditions or methodologies of TSOs
Article 6
Approval of terms and conditions or methodologies of TSOs
Article 7
Amendments to the terms and conditions or methodologies of TSOs
Article 8
Publication on internet
Article 9
Recovery of costs
Article 10
Stakeholder involvement
Article 11
Public consultation
Article 12
Confidentiality obligations
Article 13
Agreements with TSOs not bound by this Regulation
Article 14
Monitoring
Article 15
Annual report on operational security indicators
Article 16
Annual report on load-frequency control
Article 17
Annual report on regional coordination assessment
PART II
OPERATIONAL SECURITY
TITLE 1
OPERATIONAL SECURITY REQUIREMENTS
CHAPTER 1
System states, remedial actions and operational security limits
Article 18
Classification of system states
Article 19
Monitoring and determination of system states by TSOs
Article 20
Remedial actions in system operation
Article 21
Principles and criteria applicable to remedial actions
Article 22
Categories of remedial actions
Article 23
Preparation, activation and coordination of remedial actions
Article 24
Availability of TSO's means, tools and facilities
Article 25
Operational security limits
Article 26
Security plan for critical infrastructure protection
CHAPTER 2
Voltage control and reactive power management
Article 27
Obligations of all TSOs regarding voltage limits
Article 28
Obligations of SGUs concerning voltage control and reactive power management in system operation
Article 29
Obligations of all TSOs concerning voltage control and reactive power management in system operation
CHAPTER 3
Short-circuit current management
Article 30
Short-circuit current
Article 31
Short-circuit current calculation and related measures
CHAPTER 4
Power flow management
Article 32
Power flow limits
CHAPTER 5
Contingency analysis and handling
Article 33
Contingency lists
Article 34
Contingency analysis
Article 35
Contingency handling
CHAPTER 6
Protection
Article 36
General requirements on protection
Article 37
Special protection schemes
Article 38
Dynamic stability monitoring and assessment
Article 39
Dynamic stability management
TITLE 2
DATA EXCHANGE
CHAPTER 1
General requirements on data exchange
Article 40
Organisation, roles, responsibilities and quality of data exchange
CHAPTER 2
Data exchange between TSOs
Article 41
Structural and forecast data exchange
Article 42
Real-time data exchange
CHAPTER 3
Data exchange between TSOs and DSOs within the TSO's control area
Article 43
Structural data exchange
Article 44
Real-time data exchange
CHAPTER 4
Data exchange between TSOs, owners of interconnectors or other lines and power generating modules connected to the transmission system
Article 45
Structural data exchange
Article 46
Scheduled data exchange
Article 47
Real-time data exchange
CHAPTER 5
Data exchange between TSOs, DSOs and distribution-connected power generating modules
Article 48
Structural data exchange
Article 49
Scheduled data exchange
Article 50
Real-time data exchange
Article 51
Data exchange between TSOs and DSOs concerning significant power generating modules
CHAPTER 6
Data exchange between TSOs and demand facilities
Article 52
Data exchange between TSOs and transmission-connected demand facilities
Article 53
Data exchange between TSOs and distribution-connected demand facilities or third parties participating in demand response
TITLE 3
COMPLIANCE
CHAPTER 1
Roles and responsibilities
Article 54
Responsibility of the SGUs
Article 55
Tasks of TSOs regarding system operation
CHAPTER 2
Operational testing
Article 56
Purpose and responsibilities
Article 57
Performing operational tests and analysis
TITLE 4
TRAINING
Article 58
Training program
Article 59
Training conditions
Article 60
Training coordinators and trainers
Article 61
Certification of system operator employees in charge of real-time operation
Article 62
Common language for communication between the system operator employees in charge of real time operation
Article 63
Cooperation between TSOs on training
PART III
OPERATIONAL PLANNING
TITLE 1
DATA FOR OPERATIONAL SECURITY ANALYSIS IN OPERATIONAL PLANNING
Article 64
General provisions regarding individual and common grid models
Article 65
Year-ahead scenarios
Article 66
Year-ahead individual grid models
Article 67
Year-ahead common grid models
Article 68
Updates of year-ahead individual and common grid models
Article 69
Week-ahead individual and common grid models
Article 70
Methodology for building day-ahead and intraday common grid models
Article 71
Quality control for grid models
TITLE 2
OPERATIONAL SECURITY ANALYSIS
Article 72
Operational security analysis in operational planning
Article 73
Year-ahead up to and including week-ahead operational security analysis
Article 74
Day-ahead, intraday and close to real-time operational security analysis
Article 75
Methodology for coordinating operational security analysis
Article 76
Proposal for regional operational security coordination
Article 77
Organisation for regional operational security coordination
Article 78
Regional operational security coordination
Article 79
Common grid model building
Article 80
Regional outage coordination
Article 81
Regional adequacy assessment
TITLE 3
OUTAGE COORDINATION
CHAPTER 1
Outage coordination regions, relevant assets
Article 82
Outage coordination objective
Article 83
Regional coordination
Article 84
Methodology for assessing the relevance of assets for outage coordination
Article 85
Lists of relevant power generating modules and relevant demand facilities
Article 86
Update of the lists of relevant power generating modules and relevant demand facilities
Article 87
Lists of relevant grid elements
Article 88
Update of the list of relevant grid elements
Article 89
Appointment of outage planning agents
Article 90
Treatment of relevant assets located in a distribution system or in a closed distribution system
CHAPTER 2
Development and update of availability plans of relevant assets
Article 91
Variations to deadlines for the year-ahead outage coordination
Article 92
General provisions on availability plans
Article 93
Long-term indicative availability plans
Article 94
Provision of year-ahead availability plan proposals
Article 95
Year-ahead coordination of the availability status of relevant assets for which the outage planning agent is not a TSO taking part in an outage coordination region, nor a DSO or a CDSO
Article 96
Year-ahead coordination of the availability status of relevant assets for which the outage planning agent is a TSO taking part in an outage coordination region, a DSO or a CDSO
Article 97
Provision of preliminary year-ahead availability plans
Article 98
Validation of year-ahead availability plans within outage coordination regions
Article 99
Final year-ahead availability plans
Article 100
Updates to the final year-ahead availability plans
CHAPTER 3
Execution of availability plans
Article 101
Management of the ‘testing’ status of relevant assets
Article 102
Procedure for handling forced outages
Article 103
Real-time execution of the availability plans
TITLE 4
ADEQUACY
Article 104
Forecast for control area adequacy analysis
Article 105
Control area adequacy analysis
Article 106
Control area adequacy up to and including week-ahead
Article 107
Control area adequacy in day-ahead and intraday
TITLE 5
ANCILLARY SERVICES
Article 108
Ancillary services
Article 109
Reactive power ancillary services
TITLE 6
SCHEDULING
Article 110
Establishment of scheduling processes
Article 111
Notification of schedules within scheduling areas
Article 112
Coherence of schedules
Article 113
Provision of information to other TSOs
TITLE 7
ENTSO FOR ELECTRICITY OPERATIONAL PLANNING DATA ENVIRONMENT
Article 114
General provisions for ENTSO for Electricity operational planning data environment
Article 115
Individual grid models, common grid models and operational security analysis
Article 116
Outage coordination
Article 117
System adequacy
PART IV
LOAD-FREQUENCY CONTROL AND RESERVES
TITLE 1
OPERATIONAL AGREEMENTS
Article 118
Synchronous area operational agreements
Article 119
LFC block operational agreements
Article 120
LFC area operational agreement
Article 121
Monitoring area operational agreement
Article 122
Imbalance netting agreement
Article 123
Cross-border FRR activation agreement
Article 124
Cross-border RR activation agreement
Article 125
Sharing agreement
Article 126
Exchange agreement
TITLE 2
FREQUENCY QUALITY
Article 127
Frequency quality defining and target parameters
Article 128
FRCE target parameters
Article 129
Criteria application process
Article 130
Frequency quality evaluation data
Article 131
Frequency quality evaluation criteria
Article 132
Data collection and delivery process
Article 133
Synchronous area monitor
Article 134
LFC block monitor
Article 135
Information on load and generation behaviour
Article 136
Ramping period within the synchronous area
Article 137
Ramping restrictions for active power output
Article 138
Mitigation
TITLE 3
LOAD-FREQUENCY CONTROL STRUCTURE
Article 139
Basic structure
Article 140
Process activation structure
Article 141
Process responsibility structure
Article 142
Frequency containment process
Article 143
Frequency restoration process
Article 144
Reserve replacement process
Article 145
Automatic and manual frequency restoration process
Article 146
Imbalance netting process
Article 147
Cross-border FRR activation process
Article 148
Cross-border RR activation process
Article 149
General requirements for cross-border control processes
Article 150
TSO notification
Article 151
Infrastructure
TITLE 4
OPERATION OF LOAD-FREQUENCY CONTROL
Article 152
System states related to system frequency
TITLE 5
FREQUENCY CONTAINMENT RESERVES
Article 153
FCR dimensioning
Article 154
FCR technical minimum requirements
Article 155
FCR prequalification process
Article 156
FCR provision
TITLE 6
FREQUENCY RESTORATION RESERVES
Article 157
FRR dimensioning
Article 158
FRR minimum technical requirements
Article 159
FRR prequalification process
TITLE 7
REPLACEMENT RESERVES
Article 160
RR dimensioning
Article 161
RR minimum technical requirements
Article 162
RR prequalification process
TITLE 8
EXCHANGE AND SHARING OF RESERVES
CHAPTER 1
Exchange and sharing of reserves within a synchronous area
Article 163
Exchange of FCR within a synchronous area
Article 164
Sharing of FCR within a synchronous area
Article 165
General requirements for the exchange of FRR and RR within a synchronous area
Article 166
General requirements for sharing FRR and RR within a synchronous area
Article 167
Exchange of FRR within a synchronous area
Article 168
Sharing of FRR within a synchronous area
Article 169
Exchange of RR within a synchronous area
Article 170
Sharing of RR within a synchronous area
CHAPTER 2
Exchange and sharing of reserves between synchronous areas
Article 171
General requirements
Article 172
Frequency coupling between synchronous areas
Article 173
Exchange of FCR between synchronous areas
Article 174
Sharing of FCR between synchronous areas
Article 175
General requirements for sharing of FRR and RR between synchronous areas
Article 176
Exchange of FRR between synchronous areas
Article 177
Sharing of FRR between synchronous areas
Article 178
Exchange of RR between synchronous areas
Article 179
Sharing of RR between synchronous areas
CHAPTER 3
Cross-border activation process for FRR/RR
Article 180
Cross-border activation process for FRR/RR
TITLE 9
TIME CONTROL PROCESS
Article 181
Time control process
TITLE 10
COOPERATION WITH DSOS
Article 182
Reserve providing groups or units connected to the DSO grid
TITLE 11
TRANSPARENCY OF INFORMATION
Article 183
General transparency requirements
Article 184
Information on operational agreements
Article 185
Information on frequency quality
Article 186
Information on the load-frequency control structure
Article 187
Information on FCR
Article 188
Information on FRR
Article 189
Information on RR
Article 190
Information on sharing and exchange
PART V
FINAL PROVISIONS
Article 191
Amendments to contracts and general terms and conditions
Article 192
Entry into force
ANNEX I
ANNEX II
Synchronous area |
Voltage range |
Continental Europe |
0,90 pu-1,118 pu |
Nordic |
0,90 pu-1,05 pu |
Great Britain |
0,90 pu-1,10 pu |
Ireland and Northern Ireland |
0,90 pu-1,118 pu |
Baltic |
0,90 pu-1,118 pu |
Synchronous area |
Voltage range |
Continental Europe |
0,90 pu-1,05 pu |
Nordic |
0,90 pu-1,05 pu |
Great Britain |
0,90 pu-1,05 pu |
Ireland and Northern Ireland |
0,90 pu-1,05 pu |
Baltic |
0,90 pu-1,097 pu |
ANNEX III
|
CE |
GB |
IE/NI |
Nordic |
standard frequency range |
± 50 mHz |
± 200 mHz |
± 200 mHz |
± 100 mHz |
maximum instantaneous frequency deviation |
800 mHz |
800 mHz |
1 000 mHz |
1 000 mHz |
maximum steady-state frequency deviation |
200 mHz |
500 mHz |
500 mHz |
500 mHz |
time to recover frequency |
not used |
1 minute |
1 minute |
not used |
frequency recovery range |
not used |
± 500 mHz |
± 500 mHz |
not used |
time to restore frequency |
15 minutes |
15 minutes |
15 minutes |
15 minutes |
frequency restoration range |
not used |
± 200 mHz |
± 200 mHz |
± 100 mHz |
alert state trigger time |
5 minutes |
10 minutes |
10 minutes |
5 minutes |
|
CE |
GB |
IE/NI |
Nordic |
maximum number of minutes outside the standard frequency range |
15 000 |
15 000 |
15 000 |
15 000 |
ANNEX IV
|
GB |
IE/NI |
Level 1 |
3 % |
3 % |
Level 2 |
1 % |
1 % |
ANNEX V
Minimum accuracy of frequency measurement |
CE, GB, IE/NI and Nordic |
10 mHz or the industrial standard if better |
Maximum combined effect of inherent frequency response insensitivity and possible intentional frequency response dead band of the governor of the FCR providing units or FCR providing groups. |
CE |
10 mHz |
GB |
15 mHz |
|
IE/NI |
15 mHz |
|
Nordic |
10 mHz |
|
FCR full activation time |
CE |
30 s |
GB |
10 s |
|
IE/NI |
15 s |
|
Nordic |
30 s if system frequency is outside standard frequency range |
|
FCR full activation frequency deviation. |
CE |
± 200 mHz |
GB |
± 500 mHz |
|
IE/NI |
Dynamic FCR ± 500 mHz |
|
|
Static FCR ± 1 000 mHz |
|
Nordic |
± 500 mHz |
ANNEX VI
Synchronous area |
Exchange of FCR allowed between: |
Limits for the exchange of FCR |
||||||||
CE synchronous area |
TSOs of adjacent LFC blocks |
|
||||||||
TSOs of the LFC areas of the same LFC block |
|
|||||||||
Other synchronous areas |
TSOs of the synchronous area |
|
ANNEX VII
Synchronous area |
Exchange of FRR allowed between |
Limits for the exchange of FRR |
|||||||
All synchronous areas consisting of more than one LFC block |
TSOs of different LFC blocks |
|
|||||||
TSOs of the LFC areas of the same LFC block |
|
ANNEX VIII
Synchronous area |
Exchange of RR allowed between |
Limits for the exchange of RR |
|||||||
All synchronous areas consisting of more than one LFC block |
TSOs of different LFC blocks |
|
|||||||
TSOs of the LFC areas of the same LFC block |
|