Glossary

Accident frequency index
Accident seriousness index
AIT (Average Interruption Time)
ASA (Average System Availability)
Availability of a grid element
Average number of outages per grid user (N)
Balancing Services Market (BM)
Bay
Bersani Decree
Bilateral contract
Code of Ethics
Congestion Resolution Market (CRM)
Connection
Connection line
Connection station
Control area
Control Center
Control System
Controlled electricity system
Corporate governance
Corporate Social Responsibility (CSR)
Customers
Data privacy
Day Ahead Energy Market (DAEM)
Defence plans
Development
Direct connection to the NTG
Dispatching
Distribution
Dividend Yield
DPS (Dividend per Share)
EBIT (Earnings Before Interest and Taxes)
EBITDA (Earnings Before Interest, Taxes, Depreciation and Amortization)
EBT (Earnings Before Taxes)
Electricity Grid
Electricity market
Electricity markets
Electrocution
Eligible customer
Emergency condition of an electricity system
Emergency intervention
Emergency Plan
Emergency Plan for the Security of the Electricity System (EPSES)
Energy market
Energy Not Supplied (ENS)
EPS (Earnings Per Share)
Equity
Ethical Auditing
Extraordinary maintenance
Fault
Final customer
Free market
Frequency
Fringe Benefit
FTSE4Good
Gestore Mercato Elettrico (Energy Market Operator – GME)
Gigawatt (GW)
GRI (Global Reporting Initiative)
Grid Code (Code for transmission, dispatching, development and security of the grid)
Grid Diagram
Grid management
Grid operator
Grid user
High voltage (HV)
Indirect connection to the NTG
Interconnection line
Interconnection of electricity grid
Internal Dealing
Interruption
Interruption with notice
Interruption without notice
IPD (Individual Protection Device)
IPO (Initial Public Offering)
Italian Authority for Electricity and Gas (AEEG)
Kilowatthour (kWh)
kV
kW
kWh
Load curve
Maintenance
Market for Dispatching Services (MDS)
Medium voltage
Megawatt (MW)
Model 231
Monitoring
National electricity system
National Transmission Grid (NTG)
Normal alarm condition of an electricity system
Normal condition of an electricity system
Operation
Operations planning
Partial availability of a grid element
Permanent disturbance
Planned maintenance
Planning
Power recovery
Power restart plan
Power station
Power supply quality
Production
Rating
Real Time Energy Market (RTM)
Reinstatement condition of an electricity system
Reliability
Remote control and telemetry system
Remote control equipment
Requirement
Reserves Market (RM)
ROACE (Returns on Average Capital Employed)
Routine maintenance
Secondary power reserve
Service quality of electrical energy supply
Single Buyer
SRI (Socially Responsible Investment)
Stakeholder
Static power meter
Supervisory Control and Data Acquisition System (SCADA)
Telecommunications system
Transformer
Transforming station
Transmission
Transmission activities
Transmission line
Transmission plant
Triad
TSR (Total Shareholder Return)
Unavailability of a grid element
Unified Grid management
Very high voltage (VHV)
Volt
Watt
Wholesale customer