§ 145.377. CO2 budget units that co-fire eligible biomass.
(a) The CO2 authorized account representative of a CO2 budget unit that co-fires eligible biomass as a compliance mechanism under this subchapter shall report the following information to the Department or its agent for each calendar quarter:
(1) For each shipment of solid eligible biomass fuel fired at the CO2 budget unit:
(i) The total eligible biomass fuel input, on an as-fired basis, in pounds.
(ii) The moisture content, on an as-fired basis, as a fraction by weight.
(2) For each distinct type of gaseous eligible biomass fuel fired at the CO2 budget unit:
(i) The density of the biogas, on an as-fired basis, in pounds per standard cubic foot.
(ii) The moisture content of the biogas, on an as-fired basis, as a fraction by total weight.
(iii) The total eligible biomass fuel input, in standard cubic feet.
(3) For each distinct type of eligible biomass fuel fired at the CO2 budget unit:
(i) The dry basis carbon content of the fuel type, as a fraction by dry weight.
(ii) The dry basis higher heating value, in MMBtu per dry pound.
(iii) The total dry basis eligible biomass fuel input, in pounds, calculated in accordance with subsection (b).
(iv) The total eligible biomass fuel heat input, in MMBtu, calculated in accordance with subsection (d)(1).
(v) A chemical analysis, including heating value and carbon content.
(4) The total amount of CO2 emitted from the CO2 budget unit due to firing eligible biomass fuel, in tons, calculated in accordance with subsection (c).
(5) The total amount of heat input to the CO2 budget unit due to firing eligible biomass fuel, in MMBtu, calculated in accordance with subsection (d)(2).
(6) A description and documentation of the monitoring technology employed, and a description and documentation of the fuel sampling methodology employed, including sampling frequency and carbon ash testing.
(b) An owner or operator of a CO2 budget unit shall calculate and submit to the Department or its agent on a quarterly basis the total dry weight for each distinct type of eligible biomass fired by the CO2 budget unit during the reporting quarter. The total dry weight shall be determined for each fuel type as follows:
(1) For solid fuel types:
Where:
Fj = Total eligible biomass dry basis fuel input (lbs) for fuel type j.
Fi = Eligible biomass as fired fuel input (lbs) for fired shipment i.
Mi = Moisture content (fraction) for fired shipment i.
i = Fired fuel shipment.
j = Fuel type.
m = Number of shipments.
(2) For gaseous fuel types:
Fj = Dj x Vj x (1 - Mj)
Where:
Fj = Total eligible biomass dry basis fuel input (lbs) for fuel type j.
Dj = Density of biogas (lbs/scf) for fuel type j.
Vj = Total volume (scf) for fuel type j.
Mj = Moisture content (fraction) for fuel type j.
j = Fuel type.
(c) CO2 emissions due to firing of eligible biomass shall be determined as follows:
(1) For any full calendar quarter during which no fuel other than eligible biomass is combusted at the CO2 budget unit, as measured and recorded in accordance with § § 145.371—145.377 (relating to monitoring, reporting and recordkeeping requirements).
(2) For any full calendar quarter during which fuels other than eligible biomass are combusted at the CO2 budget unit, as determined using the following equation:
Where:
CO2 tons = CO2 emissions due to firing of eligible biomass for the reporting quarter.
Fj = Total eligible biomass dry basis fuel input (lbs) for fuel type j, as calculated in subsection (b).
Cj = Carbon fraction (dry basis) for fuel type j.
Oj = Oxidation factor for eligible biomass fuel type j, derived for solid fuels based on the ash content of the eligible biomass fired and the carbon content of this ash, as determined under subsection (a)(3)(v); for gaseous eligible biomass fuels, a default oxidation factor of 0.995 may be used.
44/12 = The number of tons of carbon dioxide that are created when 1 ton of carbon is combusted.
0.0005 = The number of short tons which is equal to 1 pound.
j = Fuel type.
n = Number of distinct fuel types.
(d) Heat input due to firing of eligible biomass for each quarter shall be determined as follows:
(1) For each distinct fuel type:
Hj = Fj x HHVj
Where:
Hj = Heat input (MMBtu) for fuel type j.
Fj = Total eligible biomass dry basis fuel input (lbs) for fuel type j, as calculated in subsection (b).
HHVj = Higher heating value (MMBtu/lb), dry basis, for fuel type j, as determined through chemical analysis.
j = Fuel type.
(2) For all fuel types:
Where:
Hj = Heat input (MMBtu) for fuel type j.
j = Fuel type.
n = Number of distinct fuel types.
Cross References This section cited in 25 Pa. Code § 145.306 (relating to standard requirements); 25 Pa. Code § 145.323 (relating to contents of an application for a permit incorporating CO2 Budget Trading Program requirements); 25 Pa. Code § 145.331 (relating to compliance certification report); 25 Pa. Code § 145.355 (relating to compliance); 25 Pa. Code § 145.371 (relating to general monitoring requirements); and 25 Pa. Code § 145.376 (relating to petitions).
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