6+ banked SOx certificates of record, recorded prices, and a direct line to the holders.
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Every registry entry in Mojave Desert AQMD that includes SOx, from District-wide ERC registry, July 6, 2026 (lbs/yr, shown here as tons/yr). These are banked credits — the register shows what exists, not what the holder has agreed to sell. Open the interactive registry to send an inquiry on any of them.
| Holder of record | Certificate(s) | Source / pollutants banked |
|---|---|---|
| CalPortland | Certs 0144–0147 | NOx 464.5t · PM10 7t · VOC 0.9t · SOx 0.95t |
| SBC Investment LLC | Cert 0136 | NOx 297t · SOx 210t · PM10 24t |
| GenOn — California South, LP | Cert 0150 | NOx 240t · PM10 19t · SOx 1.4t |
No SOx transactions were reported to CARB for Mojave Desert AQMD in 2022. See the statewide price tables and SOx prices in other districts for a reference range; local scarcity sets the price.
SOx demand is thinner than NOx or ROG, and SOx volumes often trade as add-ons to a larger deal — but recorded 2022 sales ran as high as $20,000/ton in the Bay Area.
ERCs are district-bound: a SOx credit banked in Mojave Desert AQMD is usable in Mojave Desert AQMD (or its air basin with district board approval). Tell us the tonnage your permit requires and we contact the holders above, confirm what is available, and can represent you as buyer's broker — no fee to inquire.
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All Mojave Desert AQMD ERCs · SOx ERCs statewide · ERC prices · How to buy · How to sell