Natural gas parameters

NATURAL GAS QUALITY PARAMETERS

Gas quality is measured according to the International Organization for Standardization standard ISO 6976 “Natural gas – Calculation of calorific values, density, relative density and Wobbe index from composition”

Gas quality parameters, 2020

Gas quality parameters, 2019

Gas quality parameters, 2018

Gas quality parameters, 2017

STANDARD CONDITIONS

From 3rd of April 2017, according to the provisions of the Cabinet of Ministers 7 February 2017, No 78 “Trade and Use of Natural Gas” and Regulation (EC) No 715/2009 of the European Parliament and of the Council of 13 July 2009 on conditions for access to the natural gas transmission networks, JSC “Conexus Baltic Grid”:

  • provides technical metering of natural gas transmission and storage systems at standard conditions 0 °C temperature and 1.01325 bar (a). With respect to gross calorific value, energy and Wobbe index, the default combustion reference temperature by default is 25°C;
  • provides natural gas transmission and storage systems metering for user accounting needs in energy units - kilowatt-hours (kWh) and shall be stated by multiplying cubic meters under standard conditions by the gross calorific value in kWh/m3.

NATURAL GAS QUALITY REQUIREMENTS AND CONTROL

Locations of natural gas acceptance and transfer and quality measurement are available HERE
Quality measurement technical standards and requirements are available HERE

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