Transmission system

Calculator to convert capacity to energy

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Gas volume conversion into gas energy
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	Standard reference conditions in transmission system	Standard reference conditions in distribution system
Natural gas volume m³
Natural gas superior calorific value, kWh/m³

	Standard reference conditions in transmission system	Standard reference conditions in distribution system
Energy, kWh
Natural gas superior calorific value, kWh/m³

The exact date of the gas quality specifications can be found here.

The Republic of Lithuania Minister of Energy’s Order No 1-255 as of 14 October 2014 “On Amending the Approval of the Description of the Natural Gas Accounting Procedure” provides for the application of different standard conditions in the Natural Gas Transmission System and in the Natural Gas Distribution System:

The standard conditions provided for use in the Natural Gas Distribution System: natural gas pressure 101.325 kPa, temperature 20°C, temperature for recording gross calorific value 20°C, and combustion temperature 25°C.
The standard conditions provided for use in the Natural Gas Transmission System : natural gas pressure 101.325 kPa, temperature 0°C, temperature for recording gross calorific value 0°C, and combustion temperature 25°C.

The conversion between the two sets of standard conditions shall be made in accordance with LST EN ISO 13443.

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