122+ banked CO certificates of record, recorded prices, and a direct line to the holders.
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Every registry entry in Sacramento Metro AQMD that includes CO, from Active ERC certificate list, June 22, 2026. 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 |
|---|---|---|
| County of Sacramento DED | 46 certificates | ROG, NOx, CO |
| City of Sacramento | 28 certificates | ROG, NOx, CO, PM10, SOx |
| Sacramento Municipal Utility District (SMUD) | 26 certificates | ROG, NOx, CO, PM10, SOx |
| Aerojet Rocketdyne, Inc. | 6 certificates | ROG, NOx, CO, PM10, SOx |
| Procter & Gamble | 6 certificates | ROG, NOx, CO |
| PG&E Brannan Island | 3 certificates incl. 00020 | ROG, NOx, CO, PM10 |
| Granite Construction | 4 certificates | ROG, NOx, CO, PM10, SOx |
| Kaiser Hospital | see district list | ROG, NOx, CO, PM10, SOx |
| McClellan Business Park | see district list | ROG, NOx, CO |
| UCD Medical Center | see district list | ROG, NOx, CO |
No CO transactions were reported to CARB for Sacramento Metro AQMD 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 Sacramento Metro AQMD is usable in Sacramento Metro 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.
Inquire on Sacramento Metro AQMD CO creditsPost what you need
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