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Greenhouse Gas Tailoring Rule

Greenhouse Gas Tailoring Rule. aka GHG Permitting Rule. Brief History or How We Got to This Point. EPA made Endangerment Finding – Dec 09 GHG Mandatory Reporting Rule – Oct 09 Mobile Source GHG Rule – Apr 10. What Are Greenhouse Gases?. Carbon dioxide (CO 2 ) (GWP=1)

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Greenhouse Gas Tailoring Rule

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  1. Greenhouse Gas Tailoring Rule aka GHG Permitting Rule

  2. Brief History orHow We Got to This Point • EPA made Endangerment Finding – Dec 09 • GHG Mandatory Reporting Rule – Oct 09 • Mobile Source GHG Rule – Apr 10

  3. What Are Greenhouse Gases? • Carbon dioxide (CO2) (GWP=1) • Methane (CH4) (GWP=21) • Nitrous oxide (N2O) (GWP=310) • Hydrofluorocarbons (HFCs) (GWP=12 to 11,700) • Perfluorocarbons (PFCs) (GWP= 6,500 to 9,200) • Sulfur hexafluoride (SF6) (GWP=23,900)

  4. CO2 Equivalent • All GHGs have an Global Warming Potential (GWP) • GWP ranges from 1 to 23,900 • Example: • Methane GWP is 21 • If you emit 5,000 tons of CH4, • Multiply by GWP of 21 • CO2eemissions of 105,000 tons

  5. Impact on Permitting • Current permitting thresholds: • PSD: • 250 tpy • 100 tpy for listed sources • Title V: • 100 tpy • EPA estimated 6 million sources would need Title V permit • EPA estimated 15,550 sources under Tailoring Rule

  6. Permitting Thresholds • Effective Jan 2, 2011 (Phase 1) • “Anyway” sources (for existing pollutants) • 100,000 tpy CO2e for PSD and Title V • Applies to any existing source in permitting program modifying by 75,000 tpy CO2e • Effective July 1, 2011 (Phase 2) • Applies to any new or existing source of CO2e over 100,000 tpy (75,000 tpy for modifications)

  7. Phase-In Step 3 • EPA rulemaking nlt July 1, 2012 • Consider inclusion of additional sources • Would be effective July 1, 2013 • EPA says not below 50,000 tpy (for at least 6 yrs) • EPA to explore wide range of streamlining options • Possibly permanently exclude certain sources from PSD, Title V or both

  8. What About the Future? • No small sources before April 30, 2016 or later • EPA to study issue within 5 years looking at admin burden if small sources pulled into program • Additional rulemaking nlt April 30, 2016

  9. What is Utah Doing? • Reviewing federal program • Existing statutes appear to allow us to permit GHG • Reviewing state rules for necessary changes • Stakeholder process this fall • Tight timeline

  10. QUESTIONS?

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