List of abbreviations

ACER

Agency for the Cooperation of Energy Regulators

aFRR

Automatic Frequency Restoration Reserves

AISBL

Association Internationale Sans But Lucratif (International Not-For-Profit Association)

CACM

Capacity Allocation and Congestion Management

CBA

Cost-Benefit Analysis

CCR

Capacity Calculation Region

CEF

Connecting Europe Facility

CENELEC

European Committee for Electrotechnical Standardisation

CGM

Common Grid Model

CGMES

Common Grid Model Exchange Standard

CIDM

Congestion Income Distribution Methodology

CIM

Common Information Model

CNC

Connection Network Code

CNEC

Critical Network Element

CoNE

Cost of New Entry

CSAM

Methodology for Coordinating Operational Security Analysis

CZC

Cross-Zonal Capacity

DA

Day Ahead

DCC

Demand Connection Code

DERs

Distributed Energy Resources

DSO

Distribution System Operator

EAS

ENTSO-E Awareness System

EB Reg.

Electricity Balancing Regulation

ENTSOG

European Network of Transmission System Operators for Gas

ERAA

European Resource Adequacy Assessment

ETIP SNET

European Technology and Innovation Platform Smart Networks for Energy Transition

EU

European Union

FCA

Forward Capacity Allocation

FCR

Frequency Containment Reserve

FSKAR

Financial Settlement of KΔf, ACE and ramping

GHG

Greenhouse Gases

GL

Guideline

GRIT

Greece–Italy

GUI

Graphical User Interface

HAR

Harmonised Allocation Rules

HVDC

High-Voltage Direct-Current

iAC

Independent Advisory Council

ICS

Incident Classification Scale

ID

Intraday

IEC

International Electrotechnical Commission

IGCC

International Grid Control Cooperation

IGDs

Implementation Guidance Documents

IGM

Individual Grid Model

IN

Imbalance Netting

ITC

Inter Transmission System Operator Compensation

JAO

Joint Allocation Office

KORR

Key Organisational Roles and Responsibilities

LTTR

Long-Term Transmission Rights

MAF

Mid-term Adequacy Forecast

MARI

Manually Activated Reserves Initiative

mFRR

Manual Frequency Restoration Reserves

MoP

Manual of Procedures

MoU

Memorandum of Understanding

NC ER

Emergency and Restoration Network Code

NECP

National Energy and Climate Plan

NEMO

Nominated Electricity Market Operator

NRA

National Regulatory Authority

OPC/STA

Outage Planning Coordination/Short Term Adequacy Assessment Process

OPDE

Operational Planning Data Environment

PCI

Project of Common Interest

PCN

Physical Communication Network

PECD

Pan-European Climate Database

PEVF

Pan-European Verification Platform

PICASSO

Platform for the International Coordination of Automated Frequency Restoration and Stable System Operation

PRA

Probabilistic Risk Assessment

Prosumers

Neologism that designates producers and consumers

RCC

Regional Coordination Centre

RDI

Research, Development and Innovation

RES

Renewable Energy Source

RfG

Requirements for Generators

RGCE

Regional Group Continental Europe

RR

Replacement Reserves

RSC

Regional Security Coordinator

SAFA

Synchronous Area Framework Agreement

SAT

Site Acceptance Test

SDAC

Single Day-Ahead Coupling

SEE

South-East Europe

SEleNe CC

South East electricity Network – Coordination Center

SET

Strategic Energy Technology

SIDC

Single Intraday Coupling

SLA

Service-Level Agreement

SO

System Operation

SOC

System Operation Committee

SOGL

System Operation Guideline

SOR

System Operation Region

SSDLC

Secure Software Development Lifecycle

TCA

Trade and Cooperation Agreement

TERRE

Trans-European Replacement Reserves Exchange

TP

Transparency Platform

TRL

Technology Readiness Level

TSO

Transmission System Operator

TYNDP

Ten-Year Network Development Plan

VoLL

Value of Lost Load

WA

Working Arrangement

WAMS

Wide Area Monitoring System

Download

ENTSO-E Annual Report 2021

This Annual Report covers the period January to December 2021. It focuses on the legal mandates given to ENTSO-E and on the Pan European All TSOs tasks, facilitated by ENTSO-E. The activities covered in this report were performed thanks to the 42 members of ENTSO-E who provide its financial resources and whose staff provides expertise to the Association.

Chapters:

  1. System Operation
  2. Market
  3. System Development
  4. Transparency Regulation
  5. Research, Development and Innovation
  6. Cybersecurity, Interoperability and Data
  7. TSO–DSO partnership and demand side flexibility
Download Full Report (PDF, 10 Mb)