Summary of Existing State GHG Reporting Programs

State Status Coverage Gases Methods Level Frequency Reporting Date

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Dat

CA

Starts 2009, with 2008 data reported

Cement plants, power generation and retail, cogeneration plants, petroleum refineries, hydrogen plants, and large stationary combustion sources emitting over 25,000 metric tons per year of CO2. 

6 GHGs (CO2, CH4, N2O, SF6, PFCs and HFCs)

Part 75 data for Title IV units; Direct measurement or source-specific calculations using specified methods for each source category. Methods derived from CCAR protocols, API protocols, EPA, IPCC/EU protocols for 

storage tanks and wastewater.

Facility, broken down by process and/or fuel Annual

April 1 or June 1 (by sector)

6 months reporting triennial schedule some sou

CT

Started in 2006, with 2005 data reported. Electricity generators: starts in 2009 (proposed 2007).

Title V sourcesb; electricity generators >25 MWe 6 GHGs 

CO2, N2O and CH4 emissions calculated by CT DEP using activity data already collected in the annualemissions statement. Facilities provide SF6, HFC, and CFC data. CEMS for electricity generators. Unit/Facility

Annual; quarterly for electricity generators

Quarterly for RGGI sources; March 2 for other sources 

CO

Executive order signed in 2008, with 2005 as the base year for reductions. 

Colorado Department of Public Health and Environment to develop reporting regulations; utilities 

Mandatory reporting rules to be drafted in 2009

Existing protocols and tools (TCR) for quantifying GHG emissions. Under development Annual

Under development

DE Started in 2005

Any facility that emits NOx or VOCs pollutant over its reporting threshold must also report GHGs; EGUs ≥ 25 MW 6 GHGs

Existing protocols and tools (refers to CHIEF) for quantifying GHG emissions. CEMS for electricity generators. 

Unit/Facility

Annual; quarterly for RGGI sources

Quarterly for RGGI sources, April 30 for other sources 

FL

Legislation signed in 2008, cap and trade program to be ratified in 2010. 

Electric utilities; under development--generator vs load serving entity as point of regulation CO2 Proposed: require reporting through TCR. Under development

Under development

Under development

HI Starts 2012 Under development

Under development Under development Under development

Under development

IA

Started in 2008, with 2007 data reported Title V sources and ethanol facilities CO2, CH4, N2O

Direct GHGs calculated automatically from fuel consumption; existing protocols and tools for othersources(CCAR; downloadable spreadsheets provided with input cells highlighted). Facility Annual March 31

MA

Electricity generators: start reporting in 2009; other sources: will start in 2010 with 2009 data reported.

Initially: EGUs serving a generator with capacity ≥ 25 MW; next phase: Title V sources and sources emitting > 5,000 CO2e.

CO2 in 2010, next phase 6 GHGs

Existing protocols and tools (TCR; "other" quantification procedures). CEMS for electricity generators.

Unit/Facility

Annual; quarterly for electricity generators

Quarterly for RGGI sources, April 15 for other sources 

MD

Started in 2008, with 2007 data reported

Title V sources; fossil fuel-fired (>50% of heat input from fossil fuel) EGUs serving a generator with nameplate capacity ≥ 25 MW 6 GHGs

Existing protocols and tools (links to EPA CHIEF for emission factors and estimating guidance). CEMS forelectricity generators.. Unit/Process/Facility

Annual; quarterly for electricity generators

Quarterly for RGGI sources, April 1 for other sources 

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State Status Coverage Gases Methods Level Frequency Reporting Date

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Dat

ME

Started in 2005, with 2004 data reported

Any facility that emits any criteria pollutant over its reporting threshold must also report GHGs; all electrical power transmission and distribution plants that emit any amount of sulfur hexafluoride (SF6); and all greenhouse gas manufacturing facilities. 6 GHGs

Existing protocols and tools (WRI/WBSCD; U.S. EPA, AP-42; U.S. DOE/EIA; any GHG emission factor with proper documentation) for quantifying GHG emissions. CEMS for electricity generators. De minimis level of 1 ton of CO2e. 

Unit/Facility

Annual; quarterly for electricity generators

 Quarterly for RGGI sources, July 1 for other sources 

NC

November 2009: Environmental Management Commission decision not to require mandatory reporting at this time, but to encourage voluntary reporting (and provide guidance on calculations) Title V sources 6 GHGs

Existing protocols and tools (TCR, Climate Leaders,WRI, CCAR, IPCC) for quantifying direct and indirect GHG emissions. Unit/Process/Facility Annual June 30

NJ

Started in 2004, with 2003 data reported. Reporting starts in 2010 for 2009 data for additional sources.

Title V sources over threshold; smaller minor, non-Title V sources already subject to Emission Statement report in 2006. In 2010: non-major point sources, supplier/distributor fuel use data, and electricity import/export.

CO2 and CH4; by 2010 6 GHGs for major sources; nonCO2 for non-major sources.

Monitoring guidance provided - favors direct measurement for large sources; AP-42 and other EPA guidance. Major sources: zero thresholds for non-CO2 gases. Non-major threshold based on 2,500 tons/year CO2e. Facility

Annual; quarterly for electricity generators

Quarterly for RGGI sources, May 15 for other sources 

NM

Starts in 2009, with 2008 data for large facilities. Smaller facilities phased in. 

Title V sources, including power industry >25 MW and all oil refineries and cement plants. Indirect emissions from electricity purchases in 3rd year.

CO2 only in 2009. CO2 and CH4 in 2010. 6 GHGs for large facilities by 2011. 

Simplified methods for measuring de minimis (less than 5% of inventory). Detailed estimation methods for other sources. Any facility may choose to meet requirements by registering emissions with TCR or CCAR. Process/Facility Annual May 1 

NV

Legislation in 2007 required development of reporting rule. Draft guidelines published Nov. 08.

Units for the generation of electricity that: (1) Have a maximum design output capacity of not less than 5 megawatts; (2) Emit a greenhouse gas; and (3) Generate electricity for sale CO2, CH4, N2O CEMS (if ARP source) or other specified methods. Unit/Facility Annual

Under development

OR

Starts in 2010, with 2009 data reported

Title V sources; NSPS boilers; cement manufacturing; plywood manufacturing and/or veneer drying; pulp, paperboard, and paper mills, and 40 other categories; facilities with 15 specified SIC codes; 

solid waste disposal, wastewater treatment, electric generating units, electricity and natural gas transmission and distribution systems that emit >2,500 metric tons of CO2e. 6 GHGs

Existing protocols and tools (WCI, TCR, CCAR, Climate Leaders, NCASI, WRI) for quantifying GHG emissions.

Facility Annual March 15 

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State Status Coverage Gases Methods Level Frequency Reporting Date

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Dat

WA

Starts in 2010, with 2009 data reported (draft bill 5/22/09)

Any source or combination of sources that emit ≥ 25,000 metric tons of GHGs in first reporting year, ≥ 10,000 in subsequent years; and owners/operators of onroad motor vehicle fleets that emit ≥ 2,500 metric tons of GHGs. 6 GHGs

Existing protocols and tools (TCR) for quantifying GHG emissions.

Facility or fleetwide Annual

October 31; April 1 if subject to verification (when cap & trade instituted) Septemb

WI

Started in 1993, with 1992 data reported

Any facility emitting over 100,000 tpy of CO2; 6,000 lbs N2O and CFCs. Includes power plants and large industrial boilers.

CO2; N2O, and CFCs

Emissions primarily calculated based on fuel use and EPA emission factors Facility Annual June 30

WV

Started in 2008, with 2007 data reported

Any facility already required to report air emissions under other programs that emits pollutants over de minimis levels. 6 GHGs

Existing protocols and tools (EIIP; emissions data submitted under other GHG reporting programs; LandGEM for landfills) for quantifying GHG emissions. Firms reporting GHG emissions for programs such as TCR and Climate Leaders are required to report bothdirect and indirect emissions.

Facility Annual June 30

a OH has draft legislation that would require reporting to TCR (but legislation has not yet been passed). CT and IA are considering data transfer with TCR for their voluntary reporting programs.bCT reporting program may be expanded in the future.

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