SECTION 3. DEFINITIONS
Internal Revenue Bulletin 2007-26 · 2026-10-03 edition · updated 2026-10-04 · United States
The following definitions apply for purposes of § 48A and this notice:
.01 Coal . Section 48A(c)(4) defines the term “coal” as meaning anthracite, bituminous coal, subbituminous coal, lignite, and peat. Coal includes waste coal (that is, usable material that is a byproduct of the previous processing of anthracite, bituminous coal, subbituminous coal, lignite, or peat). Examples of waste coal include fine coal of any of the listed ranks, coal of any of the listed ranks obtained from a refuse bank or slurry dam, anthracite culm, bituminous gob, and lignite waste.
.02 Total Nameplate Generating Ca- pacity .
(1) Except as provided in section 3.02(2) of this notice, the total nameplate generating capacity of a project is the aggregate of the numbers (in megawatts) stamped on the nameplate of each generator to be used in the project.
(2) If the number stamped on the nameplate of a generator is not determined at the International Standard Organization (ISO) optimal conditions of 59 degrees Fahrenheit, 60% relative humidity, and 14.7 psia at sea level, the number stamped on the nameplate is disregarded and the generator’s capacity (in megawatts) determined at such optimal conditions is used in its place.
.03 Fuel Input . (1) In general . The term “fuel input” means, with respect to any type of fuel, the amount of such fuel used during normal plant operations. The amounts of the fuel used are measured (i) in British thermal units (Btus) on an energy input basis and (ii) pursuant to applicable standards prescribed by the American Society for Testing and Materials (ASTM). For example,
§ 48A(e)(1)(B) provides that the fuel input for the project, when completed, must be at least 75 percent coal. This requirement is satisfied if, after completion and during normal plant operations, coal provides 75 percent of the project’s fuel measured in Btus on an energy input basis and pursuant to applicable ASTM standards.
(2) Only normal plant operations taken into account . Only fuel used during normal plant operations is taken into account for purposes of § 48A and sections 5.02(5) and 5.02(13) of this notice. Normal plant operations are operations other than during periods of initial plant certification, plant startup, plant shutdown, integrated gasifier shutdown for gasification system maintenance, or interruption of the coal supply to the project resulting from an event of force majeure (including an act of God, war, strike, or other similar event beyond the control of the taxpayer). For example, the fuel input during the initial plant certification may consist entirely of natural gas or other non-coal fuels because fuel used during initial plant certification is disregarded in determining whether the 75-percent coal usage requirement of § 48A(e)(1)(B) is satisfied.
.04 Placed In Service . For purposes of § 48A, property is placed in service in the taxable year in which the property is placed in a condition or state of readiness and availability for a specifically assigned function. See § 1.46–3(d)(1)(ii) of the Income Tax Regulations. Thus, a qualifying advanced coal project or eligible property (as defined in § 48A(c)(3)) that is a part of the project is placed in service in the taxable year in which the project is placed in a condition or state of readiness and availability for producing electricity from coal.
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