Zero-Emission Homes Act of 2021
Bill: H.R.4872 | Sponsor: Rep. Castor, Kathy (D-FL)
Policy area: Energy

Summary:
Zero-Emission Homes Act of 2021
This bill directs the Department of Energy to establish a Zero-Emission Homes Program that provides rebates to homeowners and owners of multifamily buildings for qualified electrification projects (e.g., electric stoves or heat pumps).

To require the Secretary of Energy to provide rebates for the 
 installation of zero-emission technologies in single-family homes and 
             multifamily buildings, and for other purposes.

    Be it enacted by the Senate and House of Representatives of the 
United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

    This Act may be cited as the ``Zero-Emission Homes Act of 2021''.

SEC. 2. ZERO-EMISSION HOME PROGRAM.

    (a) Definitions.--In this section:
            (1) Certified contractor.--The term ``certified 
        contractor'' means a contractor with an industry-recognized 
        certification reflecting training, education, or other 
        technical expertise relating to qualified electrification 
        projects for residential buildings, as identified by the 
        Secretary.
            (2) Contractor company.--The term ``contractor company'' 
        means a company--
                    (A) the business of which is to provide services--
                            (i) to residential building owners; and
                            (ii) for which a rebate may be provided 
                        pursuant to the Program; and
                    (B) that holds the licenses and insurance required 
                by the State in which the company provides services.
            (3) Electric load or service center upgrade.--The term 
        ``electric load or service center upgrade'' means an 
        improvement to a circuit breaker panel that enables the 
        installation and use of--
                    (A) a QEP described in any of subclauses (II) 
                through (IV) of paragraph (10)(A)(i); or
                    (B) if determined to be appropriate by the 
                Secretary, a QEP described in any of subclauses (I) 
                through (III) of paragraph (10)(A)(ii).
            (4) Heat pump.--The term ``heat pump'' means a heat pump 
        used for water heating, space heating, or space cooling that--
                    (A) relies solely on electricity for its source of 
                power; and
                    (B) is air-sourced, geothermal- or ground-sourced, 
                or water-sourced.
            (5) Home.--The term ``home'' means each of--
                    (A) a building with not more than 1 dwelling unit, 
                an individual condominium unit, or a manufactured 
                housing unit, that--
                            (i) is located in a State; and
                            (ii)(I) is the primary residence of--
                                    (aa) the owner of that building, 
                                condominium unit, or manufactured 
                                housing unit, as applicable; or
                                    (bb) a renter; or
                            (II) is a new-construction single-family 
                        residential home; and
                    (B) a unit of a multifamily building that--
                            (i) is owned by an individual who is not 
                        the owner of the multifamily building;
                            (ii) is located in a State; and
                            (iii) is the primary residence of--
                                    (I) the owner of that unit; or
                                    (II) a renter.
            (6) HVAC.--The term ``HVAC'' means heating, ventilation, 
        and air conditioning.
            (7) Low- or moderate-income.--The term ``low- or moderate-
        income'', with respect to a household, means a household--
                    (A) with an annual income that is less than 80 
                percent of the annual median income of the area in 
                which the household is located; or
                    (B) that is low-income (as defined in section 412 
                of the Energy Conservation and Production Act (42 
                U.S.C. 6862)).
            (8) Multifamily building.--The term ``multifamily 
        building'' means any building--
                    (A) with 2 or more dwelling units that--
                            (i) are built on top of one another or 
                        side-by-side; and
                            (ii) may share common facilities; and
                    (B) that is not a home.
            (9) Program.--The term ``Program'' means the Zero-Emission 
        Home Program established under subsection (b).
            (10) Qualified electrification project; qep.--
                    (A) In general.--The terms ``qualified 
                electrification project'' and ``QEP'' mean a project 
                that, as applicable--
                            (i) installs, or enables the installation 
                        and use of, in a home or multifamily building--
                                    (I) an electric load or service 
                                center upgrade;
                                    (II) an electric heat pump;
                                    (III) an induction or noninduction 
                                electric stove, cooktop, range, or oven 
                                that has received an Energy Star 
                                Emerging Technology Award (or meets a 
                                more stringent standard, as determined 
                                by the Secretary, if the Secretary 
                                determines a more stringent standard to 
                                be appropriate); or
                                    (IV) an electric heat pump clothes 
                                dryer that is Energy Star Most 
                                Efficient certified (or meets a more 
                                stringent standard, as determined by 
                                the Secretary, if the Secretary 
                                determines a more stringent standard to 
                                be appropriate); or
                            (ii) if determined to be appropriate by the 
                        Secretary, installs, or enables the 
                        installation and use of, in a home or 
                        multifamily building described in subparagraph 
                        (B)--
                                    (I) a solar photovoltaic system, 
                                including any electrical equipment, 
                                wiring, or other components necessary 
                                for the installation and use of the 
                                solar photovoltaic system, including a 
                                battery storage system;
                                    (II) electric vehicle charging 
                                infrastructure or electric vehicle 
                                support equipment necessary to recharge 
                                an electric vehicle on-site; or
                                    (III) electrical rewiring, power 
                                sharing plugs, or other installation 
                                tasks directly related to and necessary 
                                for the safe and effective functioning 
                                of a QEP in a home or multifamily 
                                building.
                    (B) Home or multifamily building described.--A home 
                or multifamily building referred to in subparagraph 
                (A)(ii) is a home or multifamily building that is 
                certified, or the household of the homeowner of which 
                is certified, as applicable, as low- or moderate-income 
                pursuant to the procedures established under subsection 
                (d)(1).
                    (C) Exclusions.--The terms ``qualified 
                electrification project'' and ``QEP'' do not include 
                any project with respect to which the appliance, 
                system, equipment, infrastructure, component, or other 
                item described in clause (i) or (ii) of subparagraph 
                (A) is not certified under the Energy Star program 
                established by section 324A of the Energy Policy and 
                Conservation Act (42 U.S.C. 6294a) if, as of the date 
                on which the project is carried out, the item is of a 
                category for which a certification is provided under 
                that program.
            (11) Qualified provider.--The term ``qualified provider'' 
        means an electric utility, Tribal-owned entity or Tribally 
        Designated Housing Entity (TDHE), or commercial, nonprofit, or 
        government entity, including a retailer and a contractor 
        company, that provides services for which a rebate may be 
        provided pursuant to the Program for 1 or more portfolios that 
        consist of 1 or more qualified electrification projects.
            (12) Secretary.--The term ``Secretary'' means the Secretary 
        of Energy.
            (13) Solar photovoltaic system.--The term ``solar 
        photovoltaic system'' means a system--
                    (A) placed on-site at a home or multifamily 
                building, or as part of the community of the home or 
                multifamily building; and
                    (B) that generates electricity from the sun 
                specifically for the home, multifamily building, or 
                community.
            (14) Tribal community.--The term ``Tribal community'' means 
        a Tribal tract or Tribal block group.
            (15) Underserved community.--The term ``underserved 
        community'' means a community located in a census tract that is 
        identified by the Secretary as--
                    (A) a low- or moderate-income community; or
                    (B) a community of racial or ethnic minority 
                concentration.
            (16) Zero-emission home rebate.--The term ``zero-emission 
        home rebate'' means a rebate provided in accordance with 
        subsection (c).
    (b) Establishment of Program.--The Secretary shall establish a 
program, to be known as the ``Zero-Emission Home Program'', to provide 
zero-emission home rebates in accordance with subsection (c).
    (c) Zero-Emission Home Rebates for Qualified Electrification 
Projects.--
            (1) Zero-emission home rebates.--
                    (A) In general.--Subject to subparagraph (B), in 
                carrying out the Program, the Secretary shall provide 
                to homeowners and owners of multifamily buildings zero-
                emission home rebates, in accordance with this 
                subsection, for qualified electrification projects 
                carried out at, or relating to, the homes or 
                multifamily buildings, as applicable.
                    (B) Requirement.--The provision of a zero-emission 
                home rebate under this paragraph shall be subject to 
                the availability of appropriations for that purpose.
            (2) Amount of rebate.--
                    (A) In general.--Subject to subsection 
                (d)(2)(A)(i), a zero-emission home rebate under 
                paragraph (1) shall be equal to--
                            (i) in the case of a qualified 
                        electrification project described in subsection 
                        (a)(10)(A)(i)(II) that installs a heat pump 
                        used for water heating, not more than $1,250;
                            (ii) in the case of a qualified 
                        electrification project described in subsection 
                        (a)(10)(A)(i)(II) that installs a heat pump 
                        HVAC system--
                                    (I) not more than $3,000 if the 
                                heat pump HVAC system has a heating 
                                capacity of not less than 27,500 Btu 
                                per hour; and
                                    (II) not more than $1,500 if the 
                                heat pump HVAC system has a heating 
                                capacity of less than 27,500 Btu per 
                                hour;
                            (iii) in the case of a qualified 
                        electrification project described in subclause 
                        (III) or (IV) of subsection (a)(10)(A)(i), not 
                        more than $600;
                            (iv) in the case of a qualified 
                        electrification project described in subsection 
                        (a)(10)(A)(i)(I) that installs an electric load 
                        or service center panel that enables the 
                        installation and use of any upgrade, appliance, 
                        system, equipment, infrastructure, component, 
                        or other item installed pursuant to any other 
                        qualified electrification project, not more 
                        than $3,000; and
                            (v) in the case of any other qualified 
                        electrification project, including a qualified 
                        electrification project described in any of 
                        subclauses (I) through (III) of subsection 
                        (a)(10)(A)(ii), for which the Secretary 
                        provides a zero-emission home rebate, not more 
                        than an amount determined by the Secretary for 
                        that qualified electrification project, subject 
                        to subparagraph (B).
                    (B) Limitations on amount of rebate.--
                            (i) Maximum total amount.--Subject to 
                        subsection (d)(2)(A)(ii), the maximum total 
                        amount that may be awarded as zero-emission 
                        home rebates under this subsection shall be 
                        $10,000 with respect to each home for which a 
                        zero-emission home rebate is provided.
                            (ii) Costs.--
                                    (I) In general.--Subject to 
                                subsection (d)(2)(A)(iii), the amount 
                                of a zero-emission home rebate provided 
                                to a homeowner under this subsection 
                                shall not exceed 50 percent of the 
                                total cost of the applicable qualified 
                                electrification project.
                                    (II) Labor costs.--Subject to 
                                subsection (d)(2)(A)(iii), not more 
                                than 50 percent of the labor costs 
                                associated with a qualified 
                                electrification project may be included 
                                in the 50 percent of total costs for 
                                which a zero-emission home rebate is 
                                provided under this subsection, as 
                                described in subclause (I), subject to 
                                the condition that labor costs account 
                                for not more than 50 percent of the 
                                amount of the zero-emission home 
                                rebate.
            (3) Limitations on qeps.--
                    (A) Contractors.--A zero-emission home rebate may 
                be provided for a qualified electrification project 
                carried out by a contractor only if that contractor is 
                a certified contractor.
                    (B) Heat pump hvac systems.--A zero-emission home 
                rebate may be provided for a qualified electrification 
                project that installs or enables the installation of a 
                heat pump HVAC system only if the heat pump HVAC 
                system--
                            (i) replaces--
                                    (I) a nonelectric HVAC system; or
                                    (II) an electric resistance HVAC 
                                system; or
                            (ii) is part of new construction, as 
                        determined by the Secretary.
                    (C) Heat pumps for water heating.--A zero-emission 
                home rebate may be provided for a qualified 
                electrification project that installs or enables the 
                installation of a heat pump used for water heating only 
                if the heat pump--
                            (i) replaces--
                                    (I) a nonelectric heat pump water 
                                heater;
                                    (II) a nonelectric water heater; or
                                    (III) an electric resistance water 
                                heater; or
                            (ii) is part of new construction, as 
                        determined by the Secretary.
                    (D) Electric stoves, cooktops, ranges, and ovens.--
                A zero-emission home rebate may be provided for a 
                qualified electrification project described in 
                subsection (a)(10)(A)(i)(III) only if the applicable 
                electric stove, cooktop, range, or oven--
                            (i) replaces a nonelectric stove, cooktop, 
                        range, or oven; or
                            (ii) is part of new construction, as 
                        determined by the Secretary.
                    (E) Electric heat pump clothes dryers.--A zero-
                emission home rebate may be provided for a qualified 
                electrification project described in subsection 
                (a)(10)(A)(i)(IV) only if the applicable electric heat 
                pump clothes dryer--
                            (i) replaces a nonelectric clothes dryer; 
                        or
                            (ii) is part of new construction.
            (4) Additional incentives for contractors and qualified 
        providers.--
                    (A) General incentive.--
                            (i) In general.--With respect to each 
                        qualified electrification project described in 
                        clause (ii), the Secretary shall provide a 
                        payment of $100 to the certified contractor or 
                        qualified provider carrying out the qualified 
                        electrification project.
                            (ii) Qualified electrification project 
                        described.--A qualified electrification project 
                        referred to in clause (i) is a qualified 
                        electrification project--
                                    (I) that is carried out at a home 
                                or multifamily building;
                                    (II) for which a rebate is provided 
                                under this subsection; and
                                    (III) with respect to which the 
                                certified contractor or qualified 
                                provider is not eligible for a higher 
                                payment under any of subparagraphs (B) 
                                through (D).
                    (B) Incentive for qeps in certain communities and 
                households.--
                            (i) In general.--With respect to each 
                        qualified electrification project described in 
                        clause (ii), the Secretary shall provide a 
                        payment of $200 to the certified contractor or 
                        qualified provider carrying out the qualified 
                        electrification project.
                            (ii) Qualified electrification project 
                        described.--A qualified electrification project 
                        referred to in clause (i) is a qualified 
                        electrification project--
                                    (I) that is carried out at a home 
                                or multifamily building that--
                                            (aa) is located in an 
                                        underserved community or a 
                                        Tribal community; or
                                            (bb) is certified, or the 
                                        household of the homeowner of 
                                        which is certified, as 
                                        applicable, as low- or 
                                        moderate-income pursuant to the 
                                        procedures established under 
                                        subsection (d)(1);
                                    (II) for which a rebate is provided 
                                under this subsection; and
                                    (III) with respect to which the 
                                certified contractor or qualified 
                                provider is not eligible for a higher 
                                payment under subparagraph (C) or (D).
                    (C) Incentive for certain labor practices.--
                            (i) In general.--With respect to each 
                        qualified electrification project described in 
                        clause (ii), the Secretary shall provide a 
                        payment of $250 to the certified contractor or 
                        qualified provider carrying out the qualified 
                        electrification project.
                            (ii) Qualified electrification project 
                        described.--A qualified electrification project 
                        referred to in clause (i) is a qualified 
                        electrification project--
                                    (I) that is carried out--
                                            (aa) at a home or 
                                        multifamily building; and
                                            (bb) by a certified 
                                        contractor or qualified 
                                        provider that allows for the 
                                        use of collective bargaining 
                                        agreements;
                                    (II) for which a rebate is provided 
                                under this subsection; and
                                    (III) with respect to which--
                                            (aa) all laborers and 
                                        mechanics employed on the 
                                        qualified electrification 
                                        project are paid wages at rates 
                                        not less than those prevailing 
                                        on projects of a character 
                                        similar in the locality, as 
                                        determined by the Secretary of 
                                        Labor in accordance with 
                                        subchapter IV of chapter 31 of 
                                        part A of subtitle II of title 
                                        40, United States Code 
                                        (commonly referred to as the 
                                        ``Davis-Bacon Act''); and
                                            (bb) the certified 
                                        contractor or qualified 
                                        provider is not eligible for a 
                                        higher payment under 
                                        subparagraph (D).
                    (D) Maximum incentive.--
                            (i) In general.--With respect to each 
                        qualified electrification project described in 
                        clause (ii), the Secretary shall provide a 
                        payment of $500 to the certified contractor or 
                        qualified provider carrying out the qualified 
                        electrification project.
                            (ii) Qualified electrification project 
                        described.--A qualified electrification project 
                        referred to in clause (i) is a qualified 
                        electrification project--
                                    (I) that is carried out--
                                            (aa) at a home or 
                                        multifamily building that--

                                                    (AA) is located in 
                                                an underserved 
                                                community or a Tribal 
                                                community; or

                                                    (BB) is certified, 
                                                or the household of the 
                                                homeowner of which is 
                                                certified, as 
                                                applicable, as low- or 
                                                moderate-income 
                                                pursuant to the 
                                                procedures established 
                                                under subsection 
                                                (d)(1); and

                                            (bb) by a certified 
                                        contractor or qualified 
                                        provider that allows for the 
                                        use of collective bargaining 
                                        agreements;
                                    (II) for which a rebate is provided 
                                under this subsection; and
                                    (III) with respect to which all 
                                laborers and mechanics employed on the 
                                qualified electrification project are 
                                paid wages at rates not less than those 
                                prevailing on projects of a character 
                                similar in the locality, as determined 
                                by the Secretary of Labor in accordance 
                                with subchapter IV of chapter 31 of 
                                part A of subtitle II of title 40, 
                                United States Code (commonly referred 
                                to as the ``Davis-Bacon Act'').
                    (E) Clarification.--An amount provided to a 
                contractor or qualified provider under any of 
                subparagraphs (A) through (D) shall be in addition to 
                the amount of any zero-emission home rebate received by 
                the contractor or qualified provider.
            (5) Claim.--
                    (A) In general.--Subject to paragraph (2)(B), a 
                homeowner, a certified contractor, or a qualified 
                provider may claim a separate zero-emission home rebate 
                under this subsection for each qualified 
                electrification project carried out at a home.
                    (B) Transfer.--The Secretary shall establish and 
                publish procedures pursuant to which a homeowner or 
                owner of a multifamily building may transfer the right 
                to claim a rebate under this subsection to the 
                certified contractor or qualified provider carrying out 
                the applicable qualified electrification project.
            (6) Multifamily buildings.--
                    (A) In general.--Subject to subparagraph (B), the 
                owner of a multifamily building may combine the amounts 
                of zero-emission home rebates for each dwelling unit in 
                the multifamily building into a single rebate, subject 
                to--
                            (i) the condition that the applicable 
                        qualified electrification projects benefit each 
                        dwelling unit with respect to which the rebate 
                        is claimed; and
                            (ii) any maximum per-dwelling unit rate 
                        established by the Secretary.
                    (B) Costs.--
                            (i) In general.--Subject to clause (ii), 
                        the amount of a rebate under subparagraph (A) 
                        shall not exceed 50 percent of the total cost, 
                        including labor costs, of the applicable 
                        qualified electrification projects.
                            (ii) Low- or moderate-income buildings.--In 
                        the case of a multifamily building that is 
                        certified by the Secretary as low- or moderate-
                        income in accordance with subsection (d)(1)(B), 
                        the amount of a rebate under subparagraph (A) 
                        shall not exceed 100 percent of the total cost 
                        of the applicable qualified electrification 
                        projects.
                    (C) Procedures.--The Secretary shall establish and 
                publish procedures--
                            (i) pursuant to which the owner of a 
                        multifamily building may combine rebate amounts 
                        in accordance with this subsection; and
                            (ii) for the enforcement of any limitations 
                        under this subsection.
            (7) Process.--
                    (A) Rebate process.--Not later than 180 days after 
                the date of enactment of this Act, the Secretary shall 
                develop and publish a rebate processing system that 
                results in immediate price relief for consumers who 
                purchase and have installed qualified electrification 
                projects, in accordance with this section.
                    (B) Qualified electrification project list.--
                            (i) In general.--Not later than 1 year 
                        after the date of enactment of this Act, the 
                        Secretary shall publish a list of qualified 
                        electrification projects for which a zero-
                        emission home rebate may be provided under this 
                        subsection that includes, at a minimum, the 
                        qualified electrification projects described in 
                        subsection (a)(10)(A).
                            (ii) Updates.--Not less frequently than 
                        once every 3 years, the Secretary shall publish 
                        an updated list of qualified electrification 
                        projects for which a zero-emission home rebate 
                        may be provided under this subsection.
    (d) Special Provisions for Low- and Moderate-Income Households and 
Multifamily Buildings.--
            (1) Certifications.--The Secretary shall establish 
        procedures for certifying as low- or moderate-income each of--
                    (A) the household of a homeowner; and
                    (B) a multifamily building.
            (2) Maximum amounts.--
                    (A) In general.--With respect to a qualified 
                electrification project carried out at a location 
                described in subparagraph (B)--
                            (i) a zero-emission home rebate shall be 
                        equal to--
                                    (I) in the case of a qualified 
                                electrification project described in 
                                subsection (c)(2)(A)(i), not more than 
                                $1,750;
                                    (II) in the case of a qualified 
                                electrification project described in 
                                subsection (c)(2)(A)(ii)--
                                            (aa) not more than $6,000 
                                        if the applicable heat pump 
                                        HVAC system has a heating 
                                        capacity of not less than 
                                        27,500 Btu per hour; and
                                            (bb) not more than $3,000 
                                        if the applicable heat pump 
                                        HVAC system has a heating 
                                        capacity of less than 27,500 
                                        Btu per hour;
                                    (III) in the case of a qualified 
                                electrification project described in 
                                subsection (c)(2)(A)(iii), not more 
                                than $840;
                                    (IV) in the case of a qualified 
                                electrification project described in 
                                subsection (c)(2)(A)(iv), not more than 
                                $4,000; and
                                    (V) in the case of a qualified 
                                electrification project described in 
                                subsection (c)(2)(A)(v), not more than 
                                an amount determined by the Secretary 
                                for that qualified electrification 
                                project, subject to clause (ii);
                            (ii) the maximum total amount of zero-
                        emission home rebates that may be awarded with 
                        respect to each home of a homeowner shall be 
                        $14,000; and
                            (iii) the amount of a zero-emission home 
                        rebate may be used to cover not more than 100 
                        percent of the costs, including labor costs, of 
                        the applicable qualified electrification 
                        project.
                    (B) Location described.--A location referred to in 
                subparagraph (A) is--
                            (i) a home--
                                    (I) with respect to which the 
                                household of the homeowner is certified 
                                as low- or moderate-income pursuant to 
                                the procedures established under 
                                paragraph (1)(A); or
                                    (II) that is located in a Tribal 
                                community; or
                            (ii) a multifamily building--
                                    (I) that--
                                            (aa) is certified as low- 
                                        or moderate-income pursuant to 
                                        the procedures established 
                                        under paragraph (1)(B); or
                                            (bb) is located in a Tribal 
                                        community; and
                                    (II) with respect to which more 
                                than more than \1/2\ of the dwelling 
                                units in the multifamily building--
                                            (aa) are occupied by 
                                        households the annual household 
                                        incomes of which do not exceed 
                                        80 percent of the median annual 
                                        household income for the area 
                                        in which the multifamily 
                                        building is located; and
                                            (bb) have average monthly 
                                        rental prices that are equal 
                                        to, or less than, an amount 
                                        that is equal to 30 percent of 
                                        the average monthly household 
                                        income for the area in which 
                                        the multifamily building is 
                                        located.
                    (C) Requirement.--The Secretary may provide a 
                rebate to the owner of a multifamily building in an 
                amount described in subparagraph (A) only if the owner 
                agrees in writing to provide commensurate benefits to 
                the renters in that multifamily building.
    (e) Education and Outreach.--Of the total amount appropriated by 
subsection (g)(1), the Secretary may use not more than $5,000,000 for 
community and consumer education and outreach related to the Program.
    (f) Administration.--The Secretary shall use not more than 1 
percent of the amounts appropriated by subsection (g)(1)--
            (1) to administer this section; and
            (2) to provide administrative and technical support to 
        certified contractors, qualified providers, States, and Indian 
        Tribes.
    (g) Appropriations.--
            (1) In general.--In addition to amounts otherwise made 
        available, there are appropriated to the Secretary for the 10-
        year period beginning on the date of enactment of this Act, out 
        of any amounts in the Treasury not otherwise appropriated, such 
        sums as are necessary to carry out this section, including to 
        provide rebates under this section with respect to homes and 
        multifamily buildings at which qualified electrification 
        projects are carried out during that 10-year period.
            (2) Allocation for low- or moderate-income households.--
                    (A) In general.--Of the amounts appropriated by 
                paragraph (1), the Secretary shall reserve 50 percent 
                for--
                            (i) rebates relating to qualified 
                        electrification projects carried out for low- 
                        or moderate-income households; and
                            (ii) any necessary administrative or 
                        technical support for those qualified 
                        electrification projects.
                    (B) Availability of reserved amounts.--Amounts 
                reserved under subparagraph (A) shall remain available 
                until expended in accordance with that subparagraph.
            (3) Allocation for tribal communities.--
                    (A) In general.--Of the amounts appropriated by 
                paragraph (1), the Secretary shall reserve 11 percent 
                for--
                            (i) rebates relating to qualified 
                        electrification projects carried out in Tribal 
                        communities; and
                            (ii) any necessary administrative or 
                        technical support for those qualified 
                        electrification projects.
                    (B) Availability of reserved amounts.--Amounts 
                reserved under subparagraph (A) shall remain available 
                until expended in accordance with that subparagraph.
            (4) Use of reserved amounts for certain qeps.--With respect 
        to a qualified electrification project carried out for a low- 
        or moderate-income household that is located in a Tribal 
        community, the Secretary may--
                    (A) use amounts reserved under paragraph (2) or (3) 
                for any rebate or necessary administrative or technical 
                support for that qualified electrification project; and
                    (B)(i) if the Secretary uses amounts reserved under 
                paragraph (2) as described in subparagraph (A), 
                consider a corresponding amount reserved under 
                paragraph (3) to be unreserved and eligible for use for 
                any purpose authorized under this section; or
                    (ii) if the Secretary uses amounts reserved under 
                paragraph (3) as described in subparagraph (A), 
                consider a corresponding amount reserved under 
                paragraph (2) to be unreserved and eligible for use for 
                any purpose authorized under this section.
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