2+ banked SOx certificates of record, recorded prices, and a direct line to the holders.
Home / District guides / North Coast Unified AQMD / SOx
Every registry entry in North Coast Unified AQMD that includes SOx, from District ERC Banking Register, Active Registry (last rev. Oct 5, 2016; printed Nov 22, 2022). Covers Del Norte, Humboldt & Trinity counties. Amounts are annual totals summed from the register's four quarters, in tons.. 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 |
|---|---|---|
| Pacific Gas & Electric Co. — Humboldt Bay Power Plant | 11-059-12 | Power plant — Eureka (Humboldt) · NOx 534.83 · SOx 34.68 (t/yr) |
| Humboldt Bay Harbor, Rec. & Conservation District | 13-037-12-2 | Former pulp mill — Samoa (Humboldt) · NOx 359.0 · CO 310.9 · ROC 166.3 · PM10 74.2 · SOx 19.4 (t/yr) |
No SOx transactions were reported to CARB for North Coast Unified 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 North Coast Unified AQMD is usable in North Coast Unified 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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