12 banked CO certificates of record, recorded prices, and a direct line to the holders.
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Every registry entry in Monterey Bay ARD that includes CO, from Active ERC Registry (Summary of Emission Banking Transactions) as of October 5, 2026; Community Bank ERCs as of October 5, 2026 (volumes 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 |
|---|---|---|
| Cemex Inc | ERC-0000001 | NOx 656.72 · VOC 6.94 · PM10 101.49 · PM2.5 40.59 · SOx 329.21 · CO 3,986.83 (t/yr) |
| Monterey Bay ARD (community bank) | ERC-22-002 | NOx 129.76 · VOC 44.26 · PM10 38.95 · PM 26.55 · PM2.5 4.51 · SOx 85.39 · CO 521.83 (t/yr) |
| Moss Landing Power Company LLC | ERC-0000026 | NOx 8.46 · VOC 1.8 · PM10 2.79 · PM 0.46 · SOx 0.18 · CO 493.51 (t/yr) |
| Aera Energy LLC | ERC-22-001 | NOx 204.1 · VOC 1.65 · PM10 91.82 · SOx 169.25 · CO 0.09 (t/yr) |
| Chevron USA Inc | ERC-0000013 | NOx 43.17 · VOC 1.55 · PM10 58.09 · SOx 144.58 · CO 44.21 (t/yr) |
| Ameresco Santa Cruz Energy LLC | ERC-26-001 | NOx 17.43 · VOC 2.99 · PM 4.97 · SOx 1.73 · CO 67.24 (t/yr) |
| Moss Landing Commercial Park | ERC-0000019 | NOx 12.33 · VOC 0.51 · PM10 0.15 · SOx 0.28 · CO 20.84 (t/yr) |
| Calpine Monterey Corporation | ERC-0000004 | NOx 11.73 · VOC 1.63 · PM10 0.81 · SOx 0.39 · CO 8.62 (t/yr) |
| Pacific Recovery Corporation | ERC-0000025 | NOx 1.93 · VOC 0.37 · PM10 1.12 · CO 15.94 (t/yr) |
| Olam West Coast Inc. | ERC-0000010 | PM10 0.28 · SOx 3.58 · CO 6.67 (t/yr) |
| Department of the Army - Presidio of Monterey | ERC-0000012 | NOx 1.48 · VOC 0.1 · PM10 0.33 · SOx 2.04 · CO 0.81 (t/yr) |
| Mahoney Environmental Solutions LLC - Salinas Facility | ERC-0000009 | NOx 0.17 · VOC 0.06 · PM10 0.02 · PM 0.03 · SOx 0 · CO 0.37 (t/yr) |
No CO transactions were reported to CARB for Monterey Bay ARD 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 Monterey Bay ARD is usable in Monterey Bay ARD (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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