California Code of Regulations
Title 17 - Public Health
Division 3 - Air Resources
Chapter 1 - Air Resources Board
Subchapter 10 - Climate Change
Article 4 - Regulations to Achieve Greenhouse Gas Emission Reductions
Subarticle 3.1 - Regulation for Reducing Sulfur Hexafluoride Emissions from Gas Insulated Switchgear
Section 95354.1 - Calculating Annual Emissions
Current through Register 2024 Notice Reg. No. 38, September 20, 2024
(a) Annual Emissions by Covered Insulating Gas. For each covered insulating gas j emitted during data year i, GIE owners must use the following equation to calculate and report their annual emissions (pounds):
Annual Emissionsj,i = (Decrease in covered insulating gas j inventory) + (Acquisitions of covered insulating gas j) - (Disbursements of covered insulating gas j) - (Net increase in total capacity of active GIE owned and filled with covered insulating gas j).
Where all of the following values are measured in pounds of gas for data year i:
Decrease in covered insulating gas j inventory = (covered insulating gas j stored in gas containers and gas carts included in the gas container inventory, but not GIE, at the beginning of data year i) - (covered insulating gas j stored in gas containers and gas carts included in the gas container inventory, but not GIE, at the end of the data year);
Acquisitions of covered insulating gas j = (covered insulating gas j obtained in bulk during the data year (e.g., in gas containers or gas carts) from chemical producers, distributors, or other entities) + (covered insulating gas j inside GIE when acquired by the GIE owner, for any GIE that became active GIE for the first time during the data year) + (covered insulating gas j at activation for active GIE transferred while in use from another entity during the data year pursuant to section 95354(c)(2)) + (covered insulating gas j returned to site during the data year (e.g., in gas containers or gas carts) after off-site recycling);
Disbursements of covered insulating gas j = (covered insulating gas j at activation for active GIE transferred while in use to another entity during the data year pursuant to section 95354(c)(2)) + (covered insulating gas j returned to suppliers (e.g., in gas containers or gas carts) during the data year) + (covered insulating gas j sent off site for recycling in gas containers or gas carts during the data year) + (covered insulating gas j sent to destruction facilities in gas containers or gas carts during the data year) + (covered insulating gas j sent to other entities); and
Net increase in total capacity of active GIE owned and filled with covered insulating gas j = (covered insulating gas j at activation for GIE whose status changed to active GIE for the first time during the data year or after being considered removed from regular use during the data year pursuant to section 95354(c)(1)) - (covered insulating gas j at activation for GIE removed from regular use during the data year pursuant to section 95354(c)(1)) - (covered insulating gas j at activation for active GIE transferred while in use to another entity during the data year pursuant to section 95354(c)(2)) + (covered insulating gas j at activation for active GIE transferred while in use from another entity during the data year pursuant to section 95354(c)(2)).
When accounting for emissions associated with GIE that are jointly owned by multiple GIE owners, each joint GIE owner must apply its equity share of the relevant GIE when calculating annual emissions, pursuant to section 95354(a)(7)(B).
(b) CO2e emissions. GIE owners must use the following equation to calculate their covered insulating gas emissions (MTCO2e) for data year i:
Where:
"CO2e emissionsi" is the GIE owner's total covered insulating gas emissions (MTCO2e) in data year i;
"n" is the number of covered insulating gases j;
"GWPj" is the global warming potential of covered insulating gas j;
"Emissionsj,i" is the annual emissions (pounds) of covered insulating gas j in data year i; and
"2204.62" is the number of pounds in a metric ton.
(c) CO2e Emissions Excluding Emergency Events. GIE owners must use the following equation to calculate their covered insulating gas emissions in MTCO2e excluding emergency events approved by CARB pursuant to section 95357.1:
Where:
"CO2e emissions excluding E.E.i" is the GIE owner's total covered insulating gas emissions (MTCO2e) in data year i, excluding emissions from emergency events for which the Executive Officer approved an exemption (also in MTCO2e) for data year i;
"n" is the number of covered insulating gases j;
"GWPj" is the global warming potential of covered insulating gas j released during one or more emergency events;
" E.E. Emissionsj,i" is the annual emissions of gas j (pounds) from all emergency event exemptions approved by the Executive Officer during data year i; and
"2204.62" is the number of pounds in a metric ton.
(d) For data year 2021, GIE owners must calculate the values required by section 95354.1(a)-(c) for SF6 only.
(e) For data year 2022 and all subsequent data years, GIE owners must calculate the values required by section 95354.1(a)-(c) for each covered insulating gas in their GIE, gas containers, and/or gas carts during the data year.
1. New section filed 12-30-2021; operative 1-1-2022 pursuant to Government Code section 11343.4(b)(3) (Register 2021, No. 53). (Filing deadline specified in Government Code section 11349.3(a) extended 60 calendar days pursuant to Executive Order N-40-20 and an additional 60 calendar days pursuant to Executive Order N-71-20.)
Note: Authority cited: Sections 38510, 38560, 38580, 39600 and 39601, Health and Safety Code. Reference: Sections 38560, 39600 and 39601, Health and Safety Code.
