RES

Renewable Energy Sources

aFRR

Automatic FRR

AGC

Automatic Generation Control

DAPEEP

RES and Guarantee of Origin Operator

HEDNO

Hellenic Electricity Distribution Network Operator

ISP

Integrated Scheduling Process

DESFA

National Natural Gas System Operator

FRR

Frequency Restoration Reserve

FCR

Frequency Containment Reserve

EIC

Energy Identification Code

HETSO

Hellenic Electricity Transmission System Operator

ESFA

National Natural Gas System

RAEWW

Regulatory Authority for Energy, Waste and Water

CHP

High Performance Combined Heat and Power Generation

Aggregator

Aggregator

Last Resort Aggregator

Last Resort Aggregator

mFRR

Manual FRR

CET

Central European Time

EET

Eastern European Time

SCADA

Supervisory Control and Data Acquisition System