1. Definitions. As used in this section:

a. "Mercury" means elemental, oxidized, and particle-bound mercury in source emissions.

b. "Major electric generating facility" means any electricity generating facility with a nameplate capacity of twenty-five thousand kilowatts or more.

2. Any major electric generating facility shall demonstrate compliance with all applicable emission requirements established by the department for the purpose of complying with all state and federal air quality requirements, including requirements for Sulfur Dioxide, Nitrogen Oxides, Mercury, Carbon Dioxide and particulate matter of less than 2.5 microns. Such facility must also comply with other applicable department air quality requirements relating to offsetting of emissions.

3. No later than twelve months after the effective date of this section, the commissioner shall promulgate rules and regulations targeting reductions in emissions of carbon dioxide that would apply to major electric generating facilities that commenced construction after the effective date of the regulations.