Glossary

ACER
Agency for the Cooperation of Energy Regulators established by Regulation (EC) No 713/2009 of the European Parliament and of the Council of 13 July 2009


AIT
an indicator of Average Interruption Time in the power transmission system; expressed in minutes per year, it is a product of 60 and energy not supplied (ENS) by the power system, divided by the average power supplied by the transmission system, expressed in MW.


ATC allocation metod
a method of capacity calculation and allocation on the border between systems or zones, where commercial volumes of capacity are offered on the basis of arrangements made between operators of two neighbouring bidding zones in the period prior to capacity allocation (i.e. before the capacity auction), taking into account physical properties of the zones and having regard to congestions and expected demand for trading capacity

White certificates
documents certifying that a certain reduction of energy consumption has been attained through investment


CACM
Capacity Allocation and Congestion Management


CEE
Central and Eastern Europe region


CJI
Central Investment Unit (Centralna Jednostka Inwestycyjna)


CERT PSE
PSE Computer Emergency Response Team


CORE
a region created by merging the CEE and CWE regions


CORE CCR
the Core Capacity Calculation Region


CWE
the Central-West Europe region


Report date
6 December 2018


ENS
an indicator of electrical energy not supplied by the power transmission system. Expressed in MWh per year, it represents a sum of products of power not supplied due to interruption and its duration. The indicator includes short, long and very long interruptions, including or excluding catastrophic interruptions.


ENTSO-E
European Network of Transmission System Operators for Electricity


EV
electric vehicles


FBA
Flow-Based Coupling

FBA MC
Flow-Based Market Coupling 


PSE CG
PSE Capital Group


Main location of the organisation
Head Office based in Konstancin-Jeziorna


GRI Standards
Global Reporting Initiative Standards


HSEQ
Health and Safety, Environment and Quality


50Hertz
German Power Transmission System Operator


IEC
International Electrotechnical Commission


CI
critical infrastructure


IoT
Internet of Things


DSR IP
DSR Intervention Programme


IRiESP
Transmission Network Code (Instrukcja Ruchu i Eksploatacji Sieci Przesyłowej)


ICT
Information and Communication Technology


IT
Information Technology


JWCD
Centrally Dispatched Generating Units


EC
European Commission


PPS
Polish Power System, also referred to as "power system"


Comitology
a process for the adoption by the European Committee of implementing measures to legal acts previously adopted by the European Council. In exercising those powers, the Committee is supported by committees composed of experts of Member States, which are headed by a representative of the Commission


Co-optimisation
simultaneous procurement of energy and reserves


PSE ZKO locations
locations of field subunits (zamiejscowe komórki organizacyjne) in Warsaw, Radom, Katowice, Poznań and Bydgoszcz


LitPol
Poland-Lithuania link


MW
megawatt


NCBiR
National Centre of Research and Development (Narodowe Centrum Badań i Rozwoju)


nJWCD
Non-Centrally Dispatched Generating Unit (jednostka wytwórcza niebędąca jednostką wytwórczą dysponowaną centralnie)


EHV
extra high voltage


LV
low voltage


ODM
Area Dispatch Centre (Obszarowa Dyspozycja Mocy)


ORed
reduction facilities (obiekty redukcji)


ORM
Operating Power Reserve (Operacyjna Rezerwa Mocy)


DSO
distribution system operator


TSO
transmission system operator, also referred to as "operator"


OT
Operational Technology


RES
Renewable Energy Sources


PEC
Prosumer Energy Cloud


EMF
electromagnetic field


PZI
PSE Investment Projects Plan (Plan zamierzeń inwestycyjnych)

Redispatching
a measure triggered by one or more system operators where the generation or load pattern is changed in order to change physical flows within the transmission system and reduce congestions

RCM
Reliability Centred Maintenance


RCN
Regional Supervision Centre (Regionalne Centrum Nadzoru)

IDM
Intra-Day Market


DAM
Day Ahead Market


CM
capacity market


ROC
Regional Operation Centre

RSCI
Regional Security Coordination Initiatives


ES
Electrical substation


MV
medium voltage


Company
PSE


SwePol
Poland - Sweden interconnection


TSCNET
TSCNET Services GmbH, a company whose activities include the services of technical support to transmission system operators in operational planning processes and support in carrying out concept work under the regional initiative TSO Security Cooperation. The shareholders of TSCNET Services are a dozen or so European transmission system operators


TSC
Transmission System Operators Security Cooperation; an initiative established in December 2008 whose objective is to improve the operational security of the interconnected power systems in Central Europe through the intensification of cooperation between operators


TSO
technical system owner


EU
European Union


ERO
Energy Regulatory Office


HV
high voltage


WCD
electricity supply continuity index


XBID
Cross-Border Intra Day


XBR
bilateral redispatching

ZKO
field units of PSE and field job positions of PSE units in Bydgoszcz, Katowice, Poznań, Radom and Warsaw

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