Anaergia begins RNG deliveries under California program
Anaergia Inc. started delivering renewable natural gas to Southwest Gas under California's Biomethane Procurement Program, the first such delivery in the state. The SoCal Biomethane facility processes 104,000 tons of waste annually and can cut 31,710 metric tons of CO2-equivalent emissions per year.
*this image is generated using AI for illustrative purposes only.
Anaergia Inc. has begun deliveries of renewable natural gas to Southwest Gas Corporation's distribution system, marking the first delivery of RNG in California under the state's Biomethane Procurement Program. The project received conditional approval by the California Public Utilities Commission on March 19, 2026, and commenced RNG delivery after satisfying the CPUC conditions. This milestone demonstrates the effectiveness of SB 1440 in enabling commercial-scale RNG projects that meet utility safety and quality standards.
The SoCal Biomethane facility, located at the Victor Valley Wastewater Reclamation Authority in Victorville, co-digests municipal wastewater solids and diverted organic waste sourced across Southern California. It upgrades the resulting biogas to pipeline-quality RNG that complies with Southwest Gas' California tariff. The facility can process up to 104,000 tons of organic waste annually and has the potential to reduce greenhouse gas emissions by up to 31,710 metric tons of CO2-equivalent per year.
Project Details and Partnerships
Anaergia worked with commercial partner Anew Climate, which markets RNG from the SoCal Biomethane facility and supports utility offtake, carbon intensity compliance, and physical delivery and scheduling as a Core Transport Agent in California. The collaboration establishes a model for SB 1440 implementation and a replicable pathway for future biomethane projects across the state.
| Metric | Value |
|---|---|
| Processing Capacity | 104,000 tons annually |
| GHG Reduction Potential | 31,710 metric tons CO2-equivalent per year |
| CPUC Approval Date | March 19, 2026 |
Strategic Significance
"As the first facility to deliver renewable natural gas under California's Biomethane Procurement Program, the SoCal Biomethane facility proves that organic waste can be transformed into a reliable and renewable fuel source at scale," said Assaf Onn, CEO of Anaergia. "By integrating with existing wastewater infrastructure, we are delivering immediate value to customers while establishing a replicable blueprint for communities across the state."
Southwest Gas President and CEO Justin Brown highlighted the agreement's role in integrating RNG into the supply portfolio. "Projects like this show what's possible, delivering tangible environmental benefits for our communities while supporting the energy needs of our customers," Brown said.
SB 1440 requires investor-owned utilities in California to procure RNG derived from landfill-diverted organic waste, with statewide targets indicating the need for many similar facilities by 2035. The SoCal Biomethane project's transition to active delivery provides an operational and regulatory template to accelerate broader deployment.
How will the operational data from the SoCal Biomethane facility influence the speed and scale of future project approvals under SB 1440?
What financing mechanisms or incentives are required to replicate this model to meet California's 2035 procurement targets?
How might the success of this project impact the regulatory landscape for RNG integration in other states?
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