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Virginia Administrative Code
Title 9. Environment
Agency 5. State Air Pollution Control Board
Chapter 140. Regulation for Emissions Trading Programs

9VAC5-140-6040. Applicability.

A. Any fossil fuel-fired unit that serves an electricity generator with a nameplate capacity equal to or greater than 25 MWe shall be a CO2 budget unit, and any source that includes one or more such units shall be a CO2 budget source, subject to the requirements of this part.

B. Exempt from the requirements of this part is any fossil fuel CO2 budget source located at or adjacent to and physically interconnected with a manufacturing facility that, prior to January 1, 2020, and in every subsequent calendar year, met either of the following requirements:

1. Supplies less than or equal to 10% of its annual net electrical generation to the electric grid; or

2. Supplies less than or equal to 15% of its annual total useful energy to any entity other than the manufacturing facility to which the CO2 budget source is interconnected.

For the purpose of subdivision 1 of this subsection, annual net electrical generation shall be determined as follows:

(ES – EP) / EG x 100


ES = electricity sales to the grid from the CO2 budget source

EP = electricity purchases from the grid by the CO2 budget source and the manufacturing facility to which the CO2 budget source is interconnected

EG = electricity generation

Such exempt CO2 budget source shall have an operating permit containing the applicable restrictions under this subsection. An application for such operating permit shall be submitted to the department no later than January 1, 2022.

Statutory Authority

§§ 10.1-1308 and 10.1-1322.3 of the Code of Virginia; §§ 108, 109, 110, and 302 of the Clean Air Act; 40 CFR Part 51.

Historical Notes

Derived from Virginia Register Volume 35, Issue 20, eff. June 26, 2019; amended, Virginia Register Volume 36, Issue 25, eff. July 10, 2020.

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