SOx Emission Reduction Credits in San Diego County APCD
94 banked SOx certificates of record, recorded prices, and a direct line to the holders.
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Holders of banked SOx credits in San Diego County APCD, 94 certificates, 10 holders
Every registry entry in San Diego County APCD that includes SOx, from ERC Banking Registry, Class A active ERCs, last update August 12, 2025; MERC Banking Registry, last update May 18, 2023 (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 |
|---|---|---|
| Olduvai Gorge LLC | 23 certificates (070430-01 … APCD2025-ERC-000139) | NOx 27.85 · VOC 107.53 · PM10 1.3 · SOx 0.1 · CO 52.32 (t/yr) |
| H. G. Fenton Material Co. | 9 certificates (41106-03 … 975733-03) | PM10 130.46 · SOx 1.1 · CO 6.55 (t/yr) |
| General Dynamics, Convair | 951022-01, 951022-04, 951022-07 | PM10 1.5 · SOx 0.1 · CO 64.8 (t/yr) |
| Cabrillo Power II LLC | 7 certificates (978938-02 … 981518-04) | NOx 1.16 · PM10 2.9 · SOx 8.8 · CO 16.1 (t/yr) |
| Ralston Purina | 50055-01, 50055-02, 50055-05 | PM10 0.5 · SOx 4.6 · CO 3.4 (t/yr) |
| Naval Station, San Diego | 8 certificates (940206-01 … 950949-03) | NOx 5.5 · VOC 0.05 · PM10 1.13 · SOx 0.04 · CO 0.87 (t/yr) |
| National Steel & Shipbuilding | 16 certificates (40994-01 … 40997-06) | NOx 0.54 · VOC 0.62 · PM10 0.68 · SOx 0.66 · CO 3.48 (t/yr) |
| USN Communications Station | 15 certificates (940560-01 … 940562-05) | NOx 2.64 · VOC 0.05 · PM10 0.34 · SOx 0.51 · CO 1.11 (t/yr) |
| General Dynamics Properties, Inc. | 5 certificates (970809-01 … 970809-05) | NOx 1.26 · VOC 0.23 · PM10 0.46 · SOx 0.02 · CO 1.17 (t/yr) |
| Southern California Edison Company | 5 certificates (950171-01 … 950171-05) | NOx 0.51 · VOC 0.02 · PM10 0.01 · SOx 0.1 · CO 0.11 (t/yr) |
SOx ERC prices in San Diego County APCD
No SOx transactions were reported to CARB for San Diego County APCD in 2022. See the statewide price tables and SOx prices in other districts for a reference range; local scarcity sets the price.
Buying SOx offsets in San Diego County APCD
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.
A SOx credit banked in San Diego County APCD must meet the receiving district’s requirements. Some interdistrict uses are possible with required approvals under Health & Safety Code §40709.6. Tell the Exchange desk the quantities your permit requires. The desk coordinates inquiries with holders or their designated representatives. Initial inquiries are free.
Inquire on San Diego County APCD SOx creditsRequest SOx credits in San Diego County APCD privately
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All San Diego County APCD ERCs · SOx ERCs statewide · ERC prices · How to buy · How to sell