Renewable natural gas Renewable natural gas Renewable Natural Gas (RNG), also known as Sustainable Natural Gas (SNG) or biomethane, is a biogas which has been upgraded to a quality similar to fossil natural gas and having a methane concentration of 90% or greater. A biogas is a gaseous form of methane obtained from biomass. By upgrading the quality to that of natural gas, it becomes possible to distribute the gas to customers via the existing gas grid within existing appliances. Renewable natural gas is a subset of synthetic natural gas or substitute natural gas (SNG). Renewable natural gas can be produced and distributed
Phoenix Natural Gas announced the first stage of the privatisation of Northern Ireland Electricity, the province's monopolistic utility company; A major part of this was the sale of Ballylumford power station in Northern Ireland to British Gas for £132 million. This oil-fired power plant provided more than half of the power needs of the 600,000 customers in Northern Ireland. British Gas simultaneously announced its plans to set up Premier Transco to build and operate the Scotland-Northern Ireland pipeline (SNIP), a natural gas pipeline, to convert Ballylumford to natural gas, and to set up a commercial supply company for natural gas (what would become