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Table 5.1A-7 <br /> NCPA Lodi Energy Center <br /> Greenhouse Gas Emissions Calculations <br /> Maximum Emissions, Estimated Emissions, <br /> Rated Operating Maximum metric tonnes/yr metric tonnes/MWh <br /> Capacity, Hours per Fuel Use, Estimated <br /> Unit MW year MMBtu/yr Gross MWh CO2 CH4 N2O SF6 CO2 CH4 N2O <br /> CTG, base load 267.3 6260 11,801,854 1,673,486 623,964 10.62 1.18 -- 0.373 6.35E-06 7.05E-07 <br /> CTG, peak load 292.3 2500 5,268,076 730,868 278,523 4.74 0.53 -- 0.381 6.49E-06 7.21 E-07 <br /> Auxiliary boiler n/a 468 30,420 n/a 1,608 0.03 0.00 -- n/a n/a n/a <br /> Total I -- I -- 1 17,100,350 2,404,353 904,095 1 15.39 1 1.71 1 9.45E-04 0.376 6.40E-06 7.11E-07 <br /> CO2-Equivalent I I I 1 904,095 1 323.20 1 530.11 1 22.60 <br /> Natural Gas GHG Emission Rates (Note 1) <br /> Emission <br /> Emission Factors, kg/MMBtu Factor <br /> CO2 (2) CH4(3) N2O (3) SF6 (5) <br /> Natural Gas 52.870 9.00E-04 1.00E-04 n/a <br /> Global Warming <br /> Potential (4) 1 21 310 23,900 <br /> Notes: 1. Calculation methods and emission factors from ARB, "Regulation for the Mandatory Reporting of Greenhouse Gas <br /> Emissions," December 5, 2007 (Staff's Suggested Modifications to the Originally Proposed Regulation Order Released <br /> October 19, 2007). http://www.arb.ca.gov/cc/ccei/reporting/GHGReporLRegUpdatel2_05_07.pdf <br /> 2. Appendix A, Table 4; heat content 1000 to 1025 Btu/scf. <br /> 3. Appendix A, Table 6. <br /> 4. Appendix A, Table 2. <br /> 5. Sulfur hexafluoride(SF6)will be used as an insulating medium in one new 230 kV breaker. Estimates of the SF6 <br /> contained in a breaker of this size range from 161 to 208 lbs, depending on the manufacturer. Breaker manufacturers <br /> guarantee leakage rates below 1%, so a maximum leakage rate of 1% per year is assumed. <br />