San Diego County APCD Emission Reduction Credits
The district's public ERC registry, 185 banked certificates, mirrored and searchable on the Exchange. On the Exchange
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Currently sourcing in this district
Posted by the Exchange on the wanted board. Responses go to the Exchange desk, privately.
Need San Diego County APCD credits for an air permit?
Tell the desk the pollutant, the tons per year and the permit date. You get a written supply check: the register certificates that look like candidates (each one pending the district's eligibility review for your project), whether their holders have confirmed availability, the last recorded prices in the district's own units, the transfer steps and fee, and how payment and transfer timing are set (by the written transaction agreement between buyer and seller; the Exchange never holds funds). No fee for the check, and your request is not published.
Banked ERC certificates of record, 185 across 48 holders
From the district's public registry (ERC Banking Registry, Class A active ERCs, last update August 12, 2025; MERC Banking Registry, last update May 18, 2023 (tons/yr)). Register edition retrieved 2026-10-03, last checked 2026-10-21; every certificate is mirrored, with its own page. These are banked credits, the registry shows what exists, not what the holder has committed to sell. Open the interactive registry to search, view pollutant breakdowns, and send an inquiry.
| Holder of record | Certificate(s) | Source / pollutants banked |
|---|---|---|
| Dynegy South Bay LLC | 000019-02, 000039-02, 000050-04 | PM10 12.6 · CO 418.9 (t/yr) |
| 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) |
| Applied Energy LLC | 5 certificates (APCD2010-ERC-000018-01 … APCD2024-ERC-000127) | NOx 96.56 · VOC 4.05 · PM10 12.14 (t/yr) |
| San Diego Gas & Electric | 921291-03, 921291-04, 979298-02 | PM10 2.9 · CO 69.13 (t/yr) |
| General Dynamics, Convair | 951022-01, 951022-04, 951022-07 | PM10 1.5 · SOx 0.1 · CO 64.8 (t/yr) |
| SW Division, Naval Facilities Engineering Cmd. | 7 certificates (954185-01 … 980529-02) | VOC 47.8 · PM10 2 (t/yr) |
| Naval Air Station, North Island | 991014-01, 991015-01, 991016-01 | NOx 30 (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) |
| City of San Diego, Metropolitan Wastewater Dept. | 4 certificates (950766-02 … 970821-02) | VOC 23.14 · PM10 0.63 · CO 1.88 (t/yr) |
| Kyocera America | 2012-ERC-000023, APCD2012-ERC-000022 | NOx 16.7 · VOC 7.6 (t/yr) |
| Jack Brunton | 973039-02 | CO 24.2 (t/yr) |
| NAVERUS, Inc. | 11 certificates (2023-ERC-000122 … 981954-04) | VOC 15.84 · PM10 1.13 · CO 7.07 (t/yr) |
| Qualcomm | APCD2013-ERC-000026 | NOx 20.6 (t/yr) |
| Callaway Golf Co. | APCD2012-ERC-000019, APCD2012-ERC-000020 | VOC 12.18 (t/yr) |
| Navy Region Southwest | 990223-01 | NOx 12.02 (t/yr) |
| South Coast Materials Company | 940101-01 | PM10 10.8 (t/yr) |
| Solar Turbines | 950562-01, 970123-04 | NOx 10 · VOC 0.6 (t/yr) |
| Grossmont District Hospital | 2019-000106 | NOx 9.09 (t/yr) |
| Muht-Hei, Inc. | 12 certificates (981002-01 … 981002-12) | VOC 9.09 (t/yr) |
| Rohr Inc., a Collins Aerospace Company | 2019-000105-01, 2019-000105-02 | NOx 4.1 · VOC 4.86 (t/yr) |
| Ralston Purina | 50055-01, 50055-02, 50055-05 | PM10 0.5 · SOx 4.6 · CO 3.4 (t/yr) |
| Saint-Gobain Solar Gard | 2020-ERC-000109 | VOC 8.2 (t/yr) |
| Unisys Corporation | 901238-01, 921410-01, 940577-01 | VOC 7.86 (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) |
| Sherwin Williams | 987553-01 | VOC 7.46 (t/yr) |
| Pio Pico Energy Center, LLC | APCD2014-ERC-000034 | VOC 6.6 (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) |
| Comcabwest USMC | 977891-01 | NOx 4.3 (t/yr) |
| Vulcan Materials Company | 2013-ERC-000024-01 | PM10 3.7 (t/yr) |
| Hanson Aggregates, Pacific SW Region | 4 certificates (980772-01 … 980772-04) | NOx 0.93 · VOC 0.26 · PM10 0.09 · CO 2.2 (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) |
| United States Marine Corps | 030507-01 | NOx 3 (t/yr) |
| Koch Membrane Systems, Inc. | APCD2013-ERC-000025 | VOC 2.91 (t/yr) |
| Veterans Administration Hospital | 979555-02 | NOx 1.9 (t/yr) |
| STMicroelectronics, Inc. | 978887-01, 978887-04 | PM10 0.1 · CO 1.5 (t/yr) |
| Surface Technologies | 990325-01 | VOC 1.48 (t/yr) |
| US Foam | 974375-02, 974375-03, 974375-05 | VOC 0.1 · PM10 0.1 · CO 1.1 (t/yr) |
| Element Markets | 070823-06 | CO 1.3 (t/yr) |
| Hughes-Aircraft Co., Electro-Opti Cal Systems | 940261-01, 940261-02 | VOC 1.28 (t/yr) |
| Cabrillo Enterprises, LLC | 080527-01 | VOC 1.25 (t/yr) |
| Northrop-Grumman Ryan Aeronautical Center | 975000-01 | VOC 1.2 (t/yr) |
| Performance Contracting Inc. | 071217-01 | VOC 1 (t/yr) |
| Shipyard Supplies, Inc. | 070529-01 | VOC 1 (t/yr) |
| Dynergy | 000050-01 | NOx 0.95 (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) |
| Otay Mesa Energy Center, LLC | 060324-01 | VOC 0.4 (t/yr) |
Every recorded sale in San Diego County APCD, year by year
From Table V-1 of CARB's statewide §40709.5 reports, which list each sale the districts reported (1994 to 2023; the 2006 and 2007 reports are scans that could not be read). The district publishes no sale-by-sale record of its own. Median price per ton as recorded, the number of sales (n) and the low–high range. 247 transactions in all; 34 recorded without a price (29 of them recorded at $0.00: transfers without a cash price, such as splits, reissues, barters and transfers between related parties, kept as transfers, not priced sales). Prices are shown as printed, including a few nominal ones ($1–$100 per ton) that sit at the low end of some ranges. Download every transaction (CSV).
| Year | NOx | ROG / VOC | PM10 | SOx | CO |
|---|---|---|---|---|---|
| 2021 | $85,000 n 3 · $85,000–$85,000 | , | , | , | , |
| 2020 | $71,288 n 2 · $71,288–$71,288 | $35,644 n 1 | , | , | , |
| 2012 | $108,738 n 1 | $54,320 n 5 · $37,000–$54,320 | $3,230 n 1 | $4,311 n 3 · $3,230–$4,311 | , |
| 2011 | $110,000 n 2 · $110,000–$110,000 | $55,000 n 3 · $4,762–$55,000 | $3,300 n 2 · $3,300–$3,300 | $3,300 n 2 · $3,300–$3,300 | , |
| 2010 | , | $4,881 n 2 · $4,762–$5,000 | , | , | , |
| 2009 | , | $4,762 n 3 · $4,058–$5,000 | , | , | , |
| 2008 | , | $20,280 n 9 · $2,500–$50,000 | , | , | , |
| 2007 | $95,000 n 5 · $70,000–$105,000 | $34,185 n 12 · $3,093–$70,000 | $100 n 1 | $100 n 1 | $100 n 1 |
| 2006 | $16,600 n 2 · $16,600–$16,600 | $8,300 n 10 · $2,381–$64,000 | $21 n 2 · $21–$21 | , | $21 n 2 · $21–$21 |
| 2005 | $105,000 n 2 · $105,000–$105,000 | $3,158 n 5 · $2,500–$26,950 | , | , | , |
| 2004 | $122,500 n 14 · $50,000–$210,000 | $23,250 n 10 · $2,415–$70,000 | $4,500 n 3 · $4,500–$4,500 | $1,500 n 2 · $1,500–$1,500 | $500 n 3 · $500–$1,250 |
| 2003 | $117,500 n 6 · $62,000–$140,000 | $52,500 n 7 · $2,415–$70,000 | , | , | , |
| 2002 | $140,000 n 3 · $104,000–$140,000 | $30,000 n 11 · $1,613–$70,000 | , | , | , |
| 2001 | $104,000 n 1 | $34,069 n 4 · $1,613–$66,000 | , | , | , |
| 2000 | $45,333 n 3 · $29,494–$72,000 | $2,415 n 9 · $1,000–$54,000 | , | , | , |
| 1999 | $22,777 n 8 · $19,000–$45,000 | $12,500 n 11 · $1,000–$28,334 | , | , | , |
| 1998 | $2,417 n 4 · $1,972–$18,000 | $11,948 n 13 · $493–$17,000 | , | , | $1,624 n 1 |
| 1997 | $18,000 n 1 | $9,865 n 7 · $667–$13,169 | $9,000 n 1 | , | , |
| 1996 | , | $13,000 n 4 · $10,500–$15,000 | , | , | , |
| 1995 | , | $8,000 n 3 · $45–$10,000 | , | , | , |
| 1994 | , | $15,000 n 1 | , | , | , |
Transferring ERCs in San Diego County APCD
The district's own procedure, step by step, from its rules and forms (checked 2026-10-04). Every deal room on the Exchange follows these steps.
- Contact the District for a fee estimate before submitting (source)
- Seller and buyer sign a written conveyance with the six items in Rule 26.5(a), including quantity and $/ton (source)
- File the General Application Form (reason 3.d, ERCs) with the conveyance, proof of past/present ownership (bill of sale or contract), price per ton and the estimated fee (source)
- Seller surrenders the original ERC certificate; transfer is not complete until then (source)
- District issues a new certificate to the buyer and, for a partial transfer, a new certificate to the seller for the remainder, and records the transfer in the ERC register (source)
- District bills final time-and-material cost under Rule 40 (Engineering $327/hr) (source)
| Rule | SDAPCD Rule 26.5, Sections (a)-(e); see also Rule 26.0(b)(2) (fees) and Rule 26.9(d) (register) (Adopted and Effective 10/22/97) |
|---|---|
| Form | General Application Form (reason for submittal 3.d "Emission Reduction Credits (ERCs)" - "for transfer or surrender of ERCs"), plus a copy of the written conveyance and proof of ownership/sale documents |
| Fee | Rule 26.0(b)(2): fees for "a banked ERC transfer application" are paid per the labor rates in Rule 40. ERC page: ERC application fees are "assessed on a time and material basis in addition to a base application fee"; a fee estimate must be obtained from the District before submittal. Rule 40 (adopted Feb 12, 2026; effective July 1, 2026) Schedule 94: Engineering Services $327/hour. Rule 40(d)(1)(ii): $160 non-refundable processing fee applies to applications for "Banking Emission Reduction Credits" (not stated whether this covers transfers). No flat transfer fee published. Credit-card payments carry a 2.19% processing fee. (source) |
| Processing time | Not published by the district |
Restrictions the district states: Rule 26.5(a): transfer by written conveyance or operation of law; conveyance filed with District must identify parties, include both parties' agreement to comply with ERC certificate conditions, District rules, and conditions/recordkeeping needed for enforceability, state quantity and $/ton, and be signed by both. (source) · Rule 26.5(b): buyer warned that changes in state or federal law "may affect the validity of an ERC or limit its use or value"; APCO may inform a known potential buyer before transfer. (source) · Rule 26.5(d): H&SC §40711(b) applies to enforceability of transferred ERCs against third parties. (source) · Rule 26.5(e) / Rule 26.2: Class B ERCs are "ineligible for any use unless reclassified to Class A"; a person considering transfer of a Class B ERC may request an advisory opinion on reclassification. (source) · Rule 26.6(b)(5): ERCs from the District Bank "shall not be transferred or banked by the recipient". (source) · Rule 26.8(d): any transferee of a limited-duration ERC must acknowledge in writing that it joins in the waiver of variance to extend the ERC term. (source) · Rule 26.4(b): Air Pollution Control Board may declare a moratorium on deposits or withdrawals of banked ERCs after notice and hearing. (source) · Rule 26.9(e): ERC register is open to public inspection; Registry PDF published on the ERC page. No discount at transfer and no inter-district transfer provisions stated in Rules 26.0-26.10. (source)
San Diego County APCD: contacts, banking rule and fees
From the district’s own pages, rules and forms, each fact linked to where it is published. Last verified 2026-10-06. Rules and fees change; confirm with the district before you file.
| District office | 10124 Old Grove Road, San Diego, CA 92131 (source) (858) 586-2600 (source) |
|---|---|
| Permitting contact | Engineering Division (handles ERCs): apcdengineering@sdapcd.org, (858) 586-2600 (ask for Engineer on duty); applications to APCDPermits@sdapcd.org (source) |
| District pages | ERC page · Rules · Permit forms |
| Banking rule | Rule 26.0, Banking of Emission Reduction Credits (ERCs) - General Requirements ERC issuance governed by Rules 26.0 through 26.10 and 27 through 27.1 (per ERC page); Rule 26.0 rev. 06/26/19. |
| Banking application | General Application Form (all applications); select Reason 3d - Emission Reduction Credits (source) |
| Banking fee | Rule 40(d)(1)(ii): $160 non-refundable processing fee for Banking ERC applications, plus time-and-material evaluation fees per Rule 40(d)(5) at Schedule 94 labor rates (Engineering Services $327/hr). Fee estimate must be obtained from the District before submittal. Rule 40 adopted 2/12/2026; most sections effective 7/1/2026. 2.19% credit card fee. (source) |
| Timelines in the rule |
|
| ERC register | The district’s posted register (source) |
How ERCs work in San Diego County APCD
Emission Reduction Credits are banked, district-certified reductions in NOx, ROG/VOC, PM10, SOx, or CO. Businesses building or expanding in the district may be required under New Source Review to purchase ERCs to offset new emissions before an air permit issues. Credits are generally usable only within San Diego County APCD (or its air basin with district board approval, Health & Safety Code §40709.6), which is why local scarcity sets the price. The district verifies reductions and records every transfer.
District office: (858) 586-2600. District ERC program page.
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San Diego County APCD credits by pollutant
NOx credits in San Diego County APCD · ROG / VOC credits in San Diego County APCD · PM10 credits in San Diego County APCD · SOx credits in San Diego County APCD · CO credits in San Diego County APCD
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