California

Victor Valley Wastewater Reclamation Authority

Delivering Resilience and Revenue for Victor Valley Wastewater Reclamation Authority

Anaergia upgraded the existing digester system at this 12 MGD (million gallons per day) facility with our Omnivore® technology, providing enough additional capacity to enable co-digestion of food scraps with wastewater solids.

We also installed two of our 800-kW dual-fuel combined heat and power (CHP) modules. In Phase 2 of this project these modules began using conventional natural gas so that facility’s biogas can be upgraded to renewable natural gas (biomethane) for injection into the regional gas utility pipeline system. This transformed VVWRA into a net energy exporter, taking advantage of federal and state renewable fuel credits and providing a revenue stream for the wastewater authority.

We also brought public-private-partnership (P3) financing to this project so that the revenue stream could be established at no cost to ratepayers. The streamlined financing allowed the construction of the RNG infrastructure to be completed in just 15 months, creating the capacity to produce more than 340,000 MMBtu of renewable natural gas per year.

  • Project Location: Victorville, California
  • Startup: Phase I—2016; Phase II–2021
  • Designed, Built, Owned, Operated and Financed by Anaergia

Key Technologies

OMNIVORE® HIGH-SOLIDS ANAEROBIC DIGESTION
BIOGAS CONDITIONING
BIOGAS UPGRADING TO PIPELINE INJECTION
COMBINED HEAT & POWER GENERATION

Inputs

  • 140,000 gallons per day of wastewater biosolids
  • 20,000 gallons per day of external organic waste
  • Outputs

  • Electricity to operate facility: 1.6 MW
  • Heat to operate facility: 3.24 MMBTU/h
  • Renewable Natural Gas (biomethane) to pipeline: 320,000 MMBTU/year
  • Results

  • 3x digester capacity
  • >100% of energy demand generated onsite
  • 20-year revenue from lease, tip fees, and renewable natural gas sales
  • Carbon-negative renewable fuel generation
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