`(a) IN GENERAL- For purposes of section 46, the qualifying advanced clean coal technology unit credit for any taxable year is an amount equal to 10 percent of the applicable percentage of the qualified investment in a qualifying advanced clean coal technology unit for such taxable year.
`(b) QUALIFYING ADVANCED CLEAN COAL TECHNOLOGY UNIT-
`(1) IN GENERAL- For purposes of subsection (a), the term `qualifying advanced clean coal technology unit' means an advanced clean coal technology unit of the taxpayer--
`(A)(i)(I) in the case of a unit first placed in service after the date of the enactment of this section, the original use of which commences with the taxpayer, or
`(II) in the case of the retrofitting or repowering of a unit first placed in service before such date of enactment, the retrofitting or repowering of which is completed by the taxpayer after such date, or
`(ii) which is acquired through purchase (as defined by section 179(d)(2)),
`(B) which is depreciable under section 167,
`(C) which has a useful life of not less than 4 years,
`(D) which is located in the United States,
`(E) which is not receiving nor is scheduled to receive funding under the Clean Coal Technology Program, the Power Plant Improvement Initiative, or the Clean Coal Power Initiative administered by the Secretary of Energy,
`(F) which is not a qualifying clean coal technology unit, and
`(G) which receives an allocation of a portion of the national megawatt capacity limitation under subsection (f).
`(2) SPECIAL RULE FOR SALE-LEASEBACKS- For purposes of subparagraph (A) of paragraph (1), in the case of a unit which--
`(A) is originally placed in service by a person, and
`(B) is sold and leased back by such person, or is leased to such person, within 3 months after the date such unit was originally placed in service, for a period of not less than 12 years,
such unit shall be treated as originally placed in service not earlier than the date on which such unit is used under the leaseback (or lease) referred to in subparagraph (B). The preceding sentence shall not apply to any property if the lessee and lessor of such property make an election under this sentence. Such an election, once made, may be revoked only with the consent of the Secretary.
`(3) NONCOMPLIANCE WITH POLLUTION LAWS- For purposes of this subsection, a unit which is not in compliance with the applicable State and Federal pollution prevention, control, and permit requirements for any period of time shall not be considered to be a qualifying advanced clean coal technology unit during such period.
`(c) APPLICABLE PERCENTAGE- For purposes of this section, with respect to any qualifying advanced clean coal technology unit, the applicable percentage is the percentage equal to the ratio which the portion of the national megawatt capacity limitation allocated to the taxpayer with respect to such unit under subsection (f) bears to the total megawatt capacity of such unit.
`(d) ADVANCED CLEAN COAL TECHNOLOGY UNIT- For purposes of this section--
`(1) IN GENERAL- The term `advanced clean coal technology unit' means a new, retrofit, or repowering unit of the taxpayer which--
`(A) is--
`(i) an eligible advanced pulverized coal or atmospheric fluidized bed combustion technology unit,
`(ii) an eligible pressurized fluidized bed combustion technology unit,
`(iii) an eligible integrated gasification combined cycle technology unit, or
`(iv) an eligible other technology unit, and
`(B) meets the carbon emission rate requirements of paragraph (6).
`(2) ELIGIBLE ADVANCED PULVERIZED COAL OR ATMOSPHERIC FLUIDIZED BED COMBUSTION TECHNOLOGY UNIT- The term `eligible advanced pulverized coal or atmospheric fluidized bed combustion technology unit' means a clean coal technology unit using advanced pulverized coal or atmospheric fluidized bed combustion technology which--
`(A) is placed in service after the date of the enactment of this section and before January 1, 2013, and
`(B) has a design net heat rate of not more than 8,350 (8,750 in the case of units placed in service before 2009).
`(3) ELIGIBLE PRESSURIZED FLUIDIZED BED COMBUSTION TECHNOLOGY UNIT- The term `eligible pressurized fluidized bed combustion technology unit' means a clean coal technology unit using pressurized fluidized bed combustion technology which--
`(A) is placed in service after the date of the enactment of this section and before January 1, 2017, and
`(B) has a design net heat rate of not more than 7,720 (8,750 in the case of units placed in service before 2009, and 8,350 in the case of units placed in service after 2008 and before 2013).
`(4) ELIGIBLE INTEGRATED GASIFICATION COMBINED CYCLE TECHNOLOGY UNIT- The term `eligible integrated gasification combined cycle technology unit' means a clean coal technology unit using integrated gasification combined cycle technology, with or without fuel or chemical co-production, which--
`(A) is placed in service after the date of the enactment of this section and before January 1, 2017,
`(B) has a design net heat rate of not more than 7,720 (8,750 in the case of units placed in service before 2009, and 8,350 in the case of units placed in service after 2008 and before 2013), and
`(C) has a net thermal efficiency (HHV) using coal with fuel or chemical co-production of not less than 43.9 percent (39 percent in the case of units placed in service before 2009, and 40.9 percent in the case of units placed in service after 2008 and before 2013).
`(5) ELIGIBLE OTHER TECHNOLOGY UNIT- The term `eligible other technology unit' means a clean coal technology unit using any other technology for the production of electricity which is placed in service after the date of the enactment of this section and before January 1, 2017.
`(6) CARBON EMISSION RATE REQUIREMENTS-
`(A) IN GENERAL- Except as provided in subparagraph (B), a unit meets the requirements of this paragraph if--
`(i) in the case of a unit using design coal with a heat content of not more than 9,000 Btu per pound, the carbon emission rate is less than 0.60 pound of carbon per kilowatt hour, and
`(ii) in the case of a unit using design coal with a heat content of more than 9,000 Btu per pound, the carbon emission rate is less than 0.54 pound of carbon per kilowatt hour.
`(B) ELIGIBLE OTHER TECHNOLOGY UNIT- In the case of an eligible other technology unit, subparagraph (A) shall be applied by substituting `0.51' and `0.459' for `0.60' and `0.54', respectively.
`(e) GENERAL DEFINITIONS- Any term used in this section which is also used in section 45I shall have the meaning given such term in section 45I.
`(f) NATIONAL LIMITATION ON THE AGGREGATE CAPACITY OF ADVANCED CLEAN COAL TECHNOLOGY UNITS-
`(1) IN GENERAL- For purposes of subsection (b)(1)(G), the national megawatt capacity limitation is--
`(A) for qualifying advanced clean coal technology units using advanced pulverized coal or atmospheric fluidized bed combustion technology, not more than 1,000 megawatts (not more than 500 megawatts in the case of units placed in service before 2009),
`(B) for such units using pressurized fluidized bed combustion technology, not more than 500 megawatts (not more than 250 megawatts in the case of units placed in service before 2009),
`(C) for such units using integrated gasification combined cycle technology, with or without fuel or chemical co-production, not more than 2,000 megawatts (not more than 1,000 megawatts in the case of units placed in service before 2009 and not more than 1,500 megawatts in the case of units placed in service after 2008 and before 2013), and
`(D) for such units using other technology for the production of electricity, not more than 500 megawatts (not more than 250 megawatts in the case of units placed in service before 2009).
`(2) ALLOCATION OF LIMITATION- The Secretary shall allocate the national megawatt capacity limitation for qualifying advanced clean coal technology units in such manner as the Secretary may prescribe under the regulations under paragraph (3).
`(3) REGULATIONS- Not later than 6 months after the date of the enactment of this section, the Secretary shall prescribe such regulations as may be necessary or appropriate--
`(A) to carry out the purposes of this subsection and section 45J,
`(B) to limit the capacity of any qualifying advanced clean coal technology unit to which this section applies so that the combined megawatt capacity of all such units to which this section applies does not exceed 4,000 megawatts,
`(C) to provide a certification process described in section 45I(e)(3)(C),
`(D) to carry out the purposes described in subparagraphs (D), (E), and (F) of section 45I(e)(3), and
`(E) to reallocate capacity which is not allocated to any technology described in subparagraphs (A) through (D) of paragraph (1) because an insufficient number of qualifying units request an allocation for such technology, to another technology described in such subparagraphs in order to maximize the amount of energy efficient production encouraged with the available tax credits.
`(4) SELECTION CRITERIA- For purposes of paragraph (3)(C), the selection criteria for allocating the national megawatt capacity limitation to qualifying advanced clean coal technology units--
`(A) shall be established by the Secretary of Energy as part of a competitive solicitation,
`(B) shall include primary criteria of minimum design net heat rate, maximum design thermal efficiency, environmental performance, and lowest cost to the Government, and
`(C) shall include supplemental criteria as determined appropriate by the Secretary of Energy.
`(g) QUALIFIED INVESTMENT- For purposes of subsection (a), the term `qualified investment' means, with respect to any taxable year, the basis of a qualifying advanced clean coal technology unit placed in service by the taxpayer during such taxable year (in the case of a unit described in subsection (b)(1)(A)(i)(II), only that portion of the basis of such unit which is properly attributable to the retrofitting or repowering of such unit).
`(h) QUALIFIED PROGRESS EXPENDITURES-
`(1) INCREASE IN QUALIFIED INVESTMENT- In the case of a taxpayer who has made an election under paragraph (5), the amount of the qualified investment of such taxpayer for the taxable year (determined under subsection (g) without regard to this subsection) shall be increased by an amount equal to the aggregate of each qualified progress expenditure for the taxable year with respect to progress expenditure property.
`(2) PROGRESS EXPENDITURE PROPERTY DEFINED- For purposes of this subsection, the term `progress expenditure property' means any property being constructed by or for the taxpayer and which it is reasonable to believe will qualify as a qualifying advanced clean coal technology unit which is being constructed by or for the taxpayer when it is placed in service.
`(3) QUALIFIED PROGRESS EXPENDITURES DEFINED- For purposes of this subsection--
`(A) SELF-CONSTRUCTED PROPERTY- In the case of any self-constructed property, the term `qualified progress expenditures' means the amount which, for purposes of this subpart, is properly chargeable (during such taxable year) to capital account with respect to such property.
`(B) NONSELF-CONSTRUCTED PROPERTY- In the case of nonself-constructed property, the term `qualified progress expenditures' means the amount paid during the taxable year to another person for the construction of such property.
`(4) OTHER DEFINITIONS- For purposes of this subsection--
`(A) SELF-CONSTRUCTED PROPERTY- The term `self-constructed property' means property for which it is reasonable to believe that more than half of the construction expenditures will be made directly by the taxpayer.
`(B) NONSELF-CONSTRUCTED PROPERTY- The term `nonself-constructed property' means property which is not self-constructed property.
`(C) CONSTRUCTION, ETC- The term `construction' includes reconstruction and erection, and the term `constructed' includes reconstructed and erected.
`(D) ONLY CONSTRUCTION OF QUALIFYING ADVANCED CLEAN COAL TECHNOLOGY UNIT TO BE TAKEN INTO ACCOUNT- Construction shall be taken into account only if, for purposes of this subpart, expenditures therefor are properly chargeable to capital account with respect to the property.
`(5) ELECTION- An election under this subsection may be made at such time and in such manner as the Secretary may by regulations prescribe. Such an election shall apply to the taxable year for which made and to all subsequent taxable years. Such an election, once made, may not be revoked except with the consent of the Secretary.
`(i) COORDINATION WITH OTHER CREDITS- This section shall not apply to any property with respect to which the rehabilitation credit under section 47 or the energy credit under section 48 is allowed unless the taxpayer elects to waive the application of such credit to such property.'.
(c) RECAPTURE- Section 50(a) (relating to other special rules) is amended by adding at the end the following new paragraph:
`(6) SPECIAL RULES RELATING TO QUALIFYING ADVANCED CLEAN COAL TECHNOLOGY UNIT- For purposes of applying this subsection in the case of any credit allowable by reason of section 48A, the following shall apply:
`(A) GENERAL RULE- In lieu of the amount of the increase in tax under paragraph (1), the increase in tax shall be an amount equal to the investment tax credit allowed under section 38 for all prior taxable years with respect to a qualifying advanced clean coal technology unit (as defined by section 48A(b)(1)) multiplied by a fraction whose numerator is the number of years remaining to fully depreciate under this title the qualifying advanced clean coal technology unit disposed of, and whose denominator is the total number of years over which such unit would otherwise have been subject to depreciation. For purposes of the preceding sentence, the year of disposition of the qualifying advanced clean coal technology unit shall be treated as a year of remaining depreciation.
`(B) PROPERTY CEASES TO QUALIFY FOR PROGRESS EXPENDITURES- Rules similar to the rules of paragraph (2) shall apply in the case of qualified progress expenditures for a qualifying advanced clean coal technology unit under section 48A, except that the amount of the increase in tax under subparagraph (A) of this paragraph shall be substituted for the amount described in such paragraph (2).
`(C) APPLICATION OF PARAGRAPH- This paragraph shall be applied separately with respect to the credit allowed under section 38 regarding a qualifying advanced clean coal technology unit.'.
(d) TRANSITIONAL RULE- Section 39(d) (relating to transitional rules), as amended by this Act, is amended by adding at the end the following new paragraph:
`(17) NO CARRYBACK OF SECTION 48A CREDIT BEFORE EFFECTIVE DATE- No portion of the unused business credit for any taxable year which is attributable to the qualifying advanced clean coal technology unit credit determined under section 48A may be carried back to a taxable year ending on or before the date of the enactment of section 48A.'.
(e) TECHNICAL AMENDMENTS-
(1) Section 49(a)(1)(C) is amended by striking `and' at the end of clause (ii), by striking the period at the end of clause (iii) and inserting `, and', and by adding at the end the following new clause:
`(iv) the portion of the basis of any qualifying advanced clean coal technology unit attributable to any qualified investment (as defined by section 48A(g)).'.
(2) Section 50(a)(4) is amended by striking `and (2)' and inserting `(2), and (6)'.
(3) Section 50(c) is amended by adding at the end the following new paragraph:
`(6) NONAPPLICATION- Paragraphs (1) and (2) shall not apply to any qualifying advanced clean coal technology unit credit under section 48A.'.
(4) The table of sections for subpart E of part IV of subchapter A of chapter 1 is amended by inserting after the item relating to section 48 the following new item:
`Sec. 48A. Qualifying advanced clean coal technology unit credit.'.
(f) EFFECTIVE DATE- The amendments made by this section shall apply to periods after the date of the enactment of this Act, under rules similar to the rules of section 48(m) of the Internal Revenue Code of 1986 (as in effect on the day before the date of the enactment of the Revenue Reconciliation Act of 1990).