Technical InformationGas MetersVarious Auxiliary EquipmentTechnical DocumentsControllers /Shutoff ValvesAlarmsIn April 2017, the gas retail industry was fully liberalized, allowing all businesses to choose a gas retailer, including households who had previously been unable to select their supplier for town gas. In conjunction with this, a licensing system was introduced in the previously regulated town gas industry, which classied the town gas industry into three categories: gas production industry, general gas distribution industry, and gas retail industry.As the three major town gas companies have a large number of customers and an extensive pipeline network, the pipeline sector is expected to be legally separated from the rest from 2022 onwards due to the need for neutrality.from overseas while some of it is natural gas produced domestically in Niigata and Chiba Prefecture.undergoes vaporization, caloric adjustment and odorization to turn it into “town gas” before it is delivered to and freight cars are used to transport the LNG to satellite terminals and other locations where it undergoes Changes in the number of customers by application and year (unit: 1,000)* Conciliation quantity at end March of each scal year* The total may not add up to 100% due to rounding.(Source: Gas Industry Statistical Annual Report of the Agency for Natural Resources and Energy)District governorThe district governor reduces the pressure to a low pressure that can be used in household gas appliances. In the event of an earthquake, the governor stops the gas supply,preventing secondary disasters.FactoryGas holderThis serves the role of absorbing fluctuations in demand by storing the town gas temporarily. Gas is stored during time periods when there is little demand and distributed during time periods when the demand is high.FactoryGeneral housingBuildingLarge gas meterResidential microcomputer gas meter20082013Fiscal Year 2018HouseholdCommercial useOther usesIndustrial usePressure adjustmentSupplyMedium pressure pipeChanges in the number of customers by applicationStatisticsFull liberalization of gas retail and separation of pipesIndustry25,3671,00124,0922244924,67625,9029502294625,93827,14092823142Low pressure pipe36
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