Landfill-derived RNG flowing into SoCalGas’s pipeline system

Renewable natural gas (RNG) produced from diverted landfill waste is now flowing into Southern California Gas’s (SoCalGas) pipeline system from the Rialto Bioenergy Facility.

The facility is located in San Bernardino County and owned by Rialto Bioenergy Facility, an Anaergia company. A new one-mile pipeline connects the facility to an existing SoCalGas pipeline.

Using Anaergia’s advanced anaerobic digestion technology and proprietary systems, the facility will produce up to 985,000 MMBtu per year of RNG, using 300,000 tons of waste derived from local landfills.

Creating this fuel from waste will reduce landfilling and decrease greenhouse gas (GHG) emissions by up to 220,000 tonnes per year – equivalent to removing 47,500 passengers cars from the road.

“This project marks the fifth time SoCalGas has connected to an in-state RNG producing facility and we’re now distributing RNG from nearly 25 dairy farms and more than 18 cities’ refuse collectors,” said Jawaad Malik, SoCalGas vice-president of strategy and sustainability, and chief environmental officer.

“Capturing methane that would have been emitted from this waste helps combat climate change and provides clean transportation fuel that improves air quality.”

Yaniv Scherson, Anaergia’s chief operating officer, commented: “We are proud to support California’s ambitious climate goals of landfill diversion, greenhouse reduction, and production of in-state carbon-negative fuel.

“The Rialto Bioenergy Facility is the largest generator of RNG in California and the first of a number of facilities Anaergia is constructing and developing across California to service the landfill diversion and RNG procurement needs of municipalities under SB 1383.”

Recently, the California Public Utilities Commission approved SoCalGas’s request to offer a voluntary RNG tariff. The programme will allow SoCalGas customers the option to purchase RNG and use it as part of their natural gas service. The company has been working to increase the amount of renewable gas produced in the state for delivery to its customers and use in transportation.

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