89+ banked CO certificates of record, recorded prices, and a direct line to the holders.
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Every registry entry in San Joaquin Valley APCD that includes CO, from District ERC registry (updated daily); 350+ NOx certificates — top holders shown. 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 |
|---|---|---|
| Aera Energy LLC | 140+ certificates across all five pollutants | VOC ~1,215t · SOx 364.4t · CO ~155t · PM10 33.6t · NOx (55+ certs) |
| Chevron USA Inc. | 8 NOx certificates | PM10 24.9t · CO ~9.5t · VOC 7.6t · SOx 6.8t · NOx (8 certs) |
| California Resources Elk Hills LLC | 5 CO certificates | CO ~2,125t |
| Phillips 66 Pipeline LLC | 2 CO certificates | CO ~90.5t |
| Ingredion Incorporated | 3 certificates | SOx 88.5t · CO ~65t |
| Calaveras Materials Inc. | 2 certificates | CO ~74t · SOx 4.4t |
| E&J Gallo Winery | 3 certificates | CO ~42t · VOC 12.1t |
| Sentinel Peak Resources CA LLC | 11 certificates | CO ~18t · PM10 16.8t |
No CO transactions were reported to CARB for San Joaquin Valley APCD in 2022. See the statewide price tables and CO prices in other districts for a reference range; local scarcity sets the price.
CO offset demand is episodic — most districts attain the CO standard — but large banked CO volumes exist (single certificates exceed 100 tons) and typically price accessibly, trading alongside other pollutants.
ERCs are district-bound: a CO credit banked in San Joaquin Valley APCD is usable in San Joaquin Valley APCD (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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