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REGULATION FOR THE MANDATORY REPORTING OF GREENHOUSE GAS EMISSIONS - page 57 / 137

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Efficiency Method

Thermal Energy Production

EH

H/eH

  • *

    ET

Electricity Generation EP ET EH

H/eH P/eP

Where: EH

= Distributed emissions to thermal energy production, metric

H eH P

tonnes CO2 = Total useful thermal output for the report year, MMBtu = Efficiency of thermal energy production = Power generated for the report year, MMBtu

e

P

E

T

(MWh x 3.413) = MMBtu = Efficiency of electricity generation = CO2 emissions from stationary combustion in the report year,

EP

metric tonnes CO2 = Distributed emissions to electricity generation, metric tonnes

CO2

1.

Facility-Specific Electricity Generation Efficiency Value:

eP = Where:

P F

eP

=

P

=

F

=

Efficiency of electricity generation Power generated for the report year, MMBtu Total fuel input, MMBtu

(B)

Distributed Emissions for Bottoming Cycle Plants: Operators shall calculate distributed emissions using the Detailed Efficiency Method equations specified in this section, 95112(b)(4)(B). Operators shall distribute emissions to electricity generation by subtracting distributed emissions to thermal energy production and manufactured product from stationary combustion emissions for the report year. Bottoming cycle plant operators shall calculate stationary combustion emissions for the manufacturing process as specified in section 95112(b)(4)(B)2. Operators shall report emissions using a calculated facility-specific electricity generation efficiency value as specified in section 95112(b)(4)(B)1, if parameters are known. Operators shall use the Heat Recovery Steam Generator (HRSG) or boiler manufacturer’s rating for the thermal energy production efficiency value, if known. Operators may use assumed values of 0.35 for electricity generation efficiency and/or 0.80 for thermal energy production efficiency, when parameters are unknown.

57

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