Glossary of terms
Here you can find the meanings of abbreviations, acronyms, and industry terms that we use.
A
A2O - Application to offer gas connections
AAHEDC - Assistance for areas with high electricity distribution electricity
ACER - Agency for the Cooperation of Energy Regulators gas and electricity
ANS - Active Notification System gas
ASEP - Aggregated system entry point gas
AQ - Annual quantity gas
ARA - Annual report and accounts gas and electricity
B
BCA - Bilateral connection agreement electricity
BEGA - Bilateral embedded generation agreement electricity
BELLA - Bilateral embedded licence exemptible large power station agreement electricity
BM - Balancing Mechanism electricity
BMRS - Balancing Mechanism Reporting System electricity
BSC - Balancing and Settlement Code electricity
BSSG - Balancing services standing group electricity
BSUoS - Balancing Services Use of System electricity
C
CACoP - Code Administration Code of Practice electricity
CAM - Capacity Allocation Mechanism gas
CBSG - Commercial balancing services group electricity
CES - Commercial Engineering Services electricity
CHP - Combined heat and power gas
ChUG - Charging user group electricity
CLoCC - Customer low-cost connections gas
CMN - Capacity Market Notices electricity
CSEP - Connected system entry point gas
CUSC - Connection and Use of System Code electricity
CV - Calorific value gas
CWV - Composite weather variable gas
D
D - The gas day gas
DAI - Day-ahead interruptible gas
DECC - Department of Energy and Climate Change
DFN - Daily flow notification(s) gas
DFO - Delivery facility operator(s) gas
DMC - Daily metered consumer(s) gas
DN - Distribution network gas and electricity
DNO - Distribution network operator gas and electricity
DRC - Data Registration Code electricity
DSR - Demand side response gas and electricity
E
EBI - Energy balancing invoice gas
ECQ - Emergency curtailment quantity gas
EFCC - Enhanced Frequency Control Capability electricity
EFR - Enhanced frequency response electricity
EMR - Electricity Market Reform electricity
ENC - European network codes electricity
ENTSOG - European Network of Transmission System Operators for Gas gas
EOD - End of day gas
ERPS - Enhanced reactive power service electricity
ESO - Electricity System Operator electricity
ETO - Electricity Transmission Owner electricity
ETR - European Transparency Regulation
ETYS - Electricity Ten Year Statement electricity
EV - Electric vehicles electricity
F
FCF - Firm curtailment factor gas
FCO - Full connection offer gas
FES - Future Energy Scenarios
FFR - Firm frequency response electricity
G
GC - Grid Code electricity
GCD - Gas charging discussion gas
GCDF - Grid code development forum electricity
GDW - Gas deficit warning gas
GFOP - Gas Future Operability Planning gas
GHG - Greenhouse Gas gas
GMRS - Gas Market Reporting System gas
GSG - CUSC governance standing group electricity
GS(M)R - Gas Safety (Management) Regulations gas
GSO - Gas System Operator gas
GT - Gas transporter gas
GTO - Gas Transmission Owner gas
GTYS - Gas Ten Year Statement gas
H
HAP - Highest accepted price gas
HSE - Health and Safety Executive
I
ICF - Interruptible curtailment factor gas
ICO - Initial connection offer gas
IECR - Incremental entry capacity release gas
IP - Interconnection point gas
J
JESG - Joint European stakeholder group electricity
JPC - Joint planning committee electricity
K
Kw - Kilowatt electricity
Kwh - Kilowatt hour electricity
L
LAP - Lowest accepted price gas
LDTEC - Limited duration transmission entry capacity electricity
LDZ - Local distribution zone gas
Linepack - the amount of gas within the system at any time gas
LNG - Liquefied natural gas gas
LRS - Long range storage gas
M
MCM - Million cubic meters gas
MFR - Mandatory frequency response electricity
MIPI - Market Information Provision Initiative gas
MN - Margins notice gas
MODIS - Market Operation Data Interface System electricity
MRS - Medium range storage gas
MSEC - Monthly system entry capacity gas
N
NBP – National balancing point gas
NDM - Non-daily metered gas
NETS - National Electricity Transmission System electricity
NGP - National Grid Property
NGSE - Network gas supply emergencies gas
NOA - Network Options Assessment
NRAPM - Negative Reserve Active Power Marginelectricity
NSL - Network sensitive load gas
NTS - National Transmission System gas
O
OCM - On-the-day commodity market gas
Ofgem - Office of Gas and Electricity Markets
OM - Operating Margins gas
OPN - Offtake profile nominations gas
ORPS - Obligatory reactive power service electricity
OTC - Over the counter gas
OUG - Own use gas gas
P
PARCA - Planning and Advanced Reservation of Capacity Agreement gas
PCLP - Projected closing linepack gas
PMC - Pipeline Maintenance Centre gas
PRI charge - Physical renomination incentive charge gas
Q
QSEC - Quarterly system entry capacity gas
R
REMIT - Regulation on wholesale energy markets integrity and transparency gas and electricity
RIIO - Revenue = Incentives + Innovation + Outputs regulatory framework
RMSEC - Remaining monthly system entry capacity gas
S
SAP - System average price gas
SCCA - Storage curtailment compensation arrangements gas
SF - Scaling factor electricity
SFN - Storage flow notification gas
SMP - System marginal price gas
SND - Seasonal normal demand gas
SO - System operator gas and electricity
SO to SO - System operator to system operator electricity
SOF - System Operability Framework
SOQ - Supply offtake quantity electricity
SQSS - Security and Quality of Supply Standards electricity
SRS - Short range storage gas
STC - System operator Transmission owner Code electricity
STOR - Short-term operating reserve electricity
STTEC - Short-term transmission entry capacity (firm access service) electricity
T
TCMF - Transmission charging methodology forum electricity
TEC - Transmission entry capacity electricity
TNUoS - Transmission Network Use of System electricity
TO - Transmission owner gas and electricity
TPC - Transmission Planning Code gas
TRW - Transmission reinforcement works electricity
TSS - Transportation Support Services gas
TWR - Transmission works register electricity
U
UAG - Unaccounted for Gas gas
UNC - Uniform Network Code gas
V
VIP - Visual Improvement Provision
VLDMC - Very large daily metered consumer gas
W
WAP - Weighted average price gas
WCF - Weather correction factor gas