AB378,8,2322 c. For a direct expansion product, an energy efficiency rating of at least 15 and
23a heating coefficient of performance of at least 3.5.
AB378,9,224 5. "Solar water heating system" means a solar water heating system certified
25by the solar rating and certification corporation or any successor entity, if at least 50

1percent of the energy generated from the system comes from the sun and if the
2system is not used to heat water for swimming pools or hot tubs.
AB378,9,73 (b) Filing claims. Subject to the limitations provided in this subsection, for
4taxable years beginning after December 31, 2007, a claimant may claim as a credit
5against the tax imposed under s. 71.02, up to the amount of the credits, all of the
6following that the claimant paid in the taxable year, if the items specified in subds.
71. to 11. are installed in the claimant's principal residence:
AB378,9,108 1. Ten percent of the amount paid for energy efficient windows, except that the
9total amount of the claim for all such windows purchased by the claimant in the
10taxable year may not exceed $500.
AB378,9,1311 2. Ten percent of the amount paid for energy efficient skylights, except that the
12total amount of the claim for all such skylights purchased by the claimant in the
13taxable year may not exceed $200.
AB378,9,1614 3. Ten percent of the amount paid for energy efficient exterior doors, except that
15the total amount of the claim for all such doors purchased by the claimant in the
16taxable year may not exceed $500.
AB378,9,1917 4. Ten percent of the amount paid for energy star qualified metal roofing
18material, except that the total amount of the claim for all such material purchased
19by the claimant in the taxable year may not exceed $500.
AB378,9,2320 5. Ten percent of the amount paid for insulation that satisfies the standards
21established by the 2000 International Energy Conservation Code, and any
22amendments to the code, except that the total amount of the claim for all such
23insulation purchased by the claimant in the taxable year may not exceed $500.
AB378,9,2424 6. The amount paid for an air-source heat pump, not to exceed $300.
AB378,9,2525 7. The amount paid for a geothermal heat pump, not to exceed $1,000.
AB378,10,2
18. The amount paid for a water heater that uses methane to heat water and has
2an energy factor of at least 0.80, not to exceed $300.
AB378,10,43 9. The amount paid for an electric heat pump water heater that has an energy
4factor of at 2.0, not to exceed $300.
AB378,10,65 10. The amount paid for an advanced main air circulating fan that operates by
6using no more than 2 percent of a furnaces total energy use, not to exceed $50.
AB378,10,107 11. Thirty percent of the amount paid for a solar water heating system, not
8including the cost of any equipment that would otherwise be part of a conventional
9heating system, except that the total amount of the claim for all such systems
10purchased by the claimant in the taxable year may not exceed $2,000.
AB378,10,1411 12. Ten percent of the amount paid for any dishwasher or clothes washer that
12satisfies the 2007 energy efficiency guidelines established by the federal
13environmental protection agency and the federal department of energy under the
14Energy Star program or for any energy efficient refrigerator.
AB378,10,1715 13. Ten percent of the amount paid for a woodburning or cornburning furnace,
16including any amount paid to install the furnace or to retrofit an existing furnace as
17a woodburning or cornburning furnace.
AB378,10,1918 (c) Limitations. 1. No credit may be allowed under this subsection unless it
19is claimed within the time period under s. 71.75 (2).
AB378,10,2220 2. A credit may be claimed under this subsection by a claimant only for the
21taxable year in which the items specified in par. (b) are installed in the claimant's
22principal residence.
AB378,10,2423 3. No credit may be claimed under this subsection by a part-year resident or
24a nonresident of this state.
AB378,11,2
1(d) Administration. 1. Subsection (9e) (d), to the extent that it applies to the
2credit under that subsection, applies to the credit under this subsection.
AB378, s. 7 3Section 7. 71.10 (4) (dn) of the statutes is created to read:
AB378,11,44 71.10 (4) (dn) Energy efficiency home improvement credit under s. 71.07 (8r).
AB378, s. 8 5Section 8. 71.10 (4) (gc) of the statutes is created to read:
AB378,11,66 71.10 (4) (gc) Clean fuel fueling station credit under s. 71.07 (5i).
AB378, s. 9 7Section 9. 71.10 (4) (gcb) of the statutes is created to read:
AB378,11,88 71.10 (4) (gcb) Energy efficient home construction credit under s. 71.07 (5k).
AB378, s. 10 9Section 10. 71.10 (4) (gcd) of the statutes is created to read:
AB378,11,1010 71.10 (4) (gcd) Alternative energy sources credit under s. 71.07 (3x).
AB378, s. 11 11Section 11. 71.10 (4) (gce) of the statutes is created to read:
AB378,11,1212 71.10 (4) (gce) Energy efficient commercial building credit under s. 71.07 (3y).
AB378, s. 12 13Section 12. 71.21 (4) of the statutes is amended to read:
AB378,11,1714 71.21 (4) Credits computed by a partnership under s. 71.07 (2dd), (2de), (2di),
15(2dj), (2dL), (2dm), (2ds), (2dx), (3g), (3n), (3s), (3t), (3w), (3x), (3y), (5b), (5e), (5f), (5g),
16and (5h), (5i), and (5k) and passed through to partners shall be added to the
17partnership's income.
AB378, s. 13 18Section 13. 71.26 (2) (a) of the statutes is amended to read:
AB378,12,1119 71.26 (2) (a) Corporations in general. The "net income" of a corporation means
20the gross income as computed under the Internal Revenue Code as modified under
21sub. (3) minus the amount of recapture under s. 71.28 (1di) plus the amount of credit
22computed under s. 71.28 (1), (3), (4), and (5) minus, as provided under s. 71.28 (3) (c)
237., the amount of the credit under s. 71.28 (3) that the taxpayer added to income
24under this paragraph at the time that the taxpayer first claimed the credit plus the
25amount of the credit computed under s. 71.28 (1dd), (1de), (1di), (1dj), (1dL), (1dm),

1(1ds), (1dx), (3g), (3n), (3t), (3w), (3x), (3y), (5b), (5e), (5f), (5g), and (5h), (5i), and (5k)
2and not passed through by a partnership, limited liability company, or tax-option
3corporation that has added that amount to the partnership's, limited liability
4company's, or tax-option corporation's income under s. 71.21 (4) or 71.34 (1) (g) plus
5the amount of losses from the sale or other disposition of assets the gain from which
6would be wholly exempt income, as defined in sub. (3) (L), if the assets were sold or
7otherwise disposed of at a gain and minus deductions, as computed under the
8Internal Revenue Code as modified under sub. (3), plus or minus, as appropriate, an
9amount equal to the difference between the federal basis and Wisconsin basis of any
10asset sold, exchanged, abandoned, or otherwise disposed of in a taxable transaction
11during the taxable year, except as provided in par. (b) and s. 71.45 (2) and (5).
AB378, s. 14 12Section 14. 71.28 (3x) of the statutes is created to read:
AB378,12,1413 71.28 (3x) Alternative energy sources credit. (a) Definitions. In this
14subsection:
AB378,12,1515 1. "Claimant" means a person who files a claim under this subsection.
AB378,12,1716 2. "Used exclusively" means used to the exclusion of all other uses except for
17use not exceeding 5 percent of total use.
AB378,12,2118 (b) Filing claims. Subject to the limitations provided under this subsection, for
19taxable years beginning after June 30, 2008, and before July 1, 2010, a claimant may
20claim as a credit against the taxes imposed under s. 71.23, up to the amount of the
21tax, an amount equal to any of the following:
AB378,13,222 1. Ten percent of the amount that the claimant paid in the taxable year on the
23purchase of equipment that captures solar energy, wind energy, or gas from garbage
24or from agricultural or organic waste, including livestock manure, and converts such

1energy or gas into electricity, if the rated capacity of all such equipment at the point
2of interconnection does not exceed 25,000 watts of alternating or direct current.
AB378,13,53 2. Ten percent of the amount that the claimant paid in the taxable year on the
4purchase of professional services for the design, installation, maintenance, and
5repair of the equipment described in subd. 1.
AB378,13,96 3. Ten cents per kilowatt hour for energy generated in the taxable year from
7solar energy, wind energy, or gas from livestock manure and other agricultural
8waste, if the energy is used exclusively by the claimant or returned to a utility as
9surplus energy.
AB378,13,1610 (c) Limitations. 1. The maximum amount of the credits that may be claimed
11by all claimants under this subsection in each fiscal year is $1,000,000. No claimant
12may claim a credit under this subsection unless the claimant files an application for
13the credit with the department, in the manner prescribed by the department, and the
14department approves the credit. The department shall adjust the amount of the
15credits claimed by each claimant so that the total amount of all credits claimed does
16not exceed the maximum amount established under this subdivision.
AB378,13,2417 2. Partnerships, limited liability companies, and tax-option corporations may
18not claim the credit under this subsection, but the eligibility for, and the amount of,
19the credit are based on their payment of amounts under par. (b). A partnership,
20limited liability company, or tax-option corporation shall compute the amount of
21credit that each of its partners, members, or shareholders may claim and shall
22provide that information to each of them. Partners, members of limited liability
23companies, and shareholders of tax-option corporations may claim the credit in
24proportion to their ownership interests.
AB378,14,2
1(d) Administration. Subsection (4) (e) to (h), as it applies to the credit under
2sub. (4), applies to the credit under this subsection.
AB378, s. 15 3Section 15. 71.28 (3y) of the statutes is created to read:
AB378,14,54 71.28 (3y) Energy efficient commercial building credit. (a) Definition. In
5this subsection, "claimant" means a person who files a claim under this subsection.
AB378,14,176 (b) Filing claims. Subject to the limitations provided in this subsection, for
7taxable years beginning after December 31, 2007, a claimant may claim as a credit
8against the taxes imposed under s. 71.23, up to the amount of the tax, an amount that
9is equal to the amount that the claimant paid in the taxable year to construct,
10rehabilitate, remodel, or repair a building that is placed in service in the taxable year,
11if, after the building is placed in service, the building is assessed as commercial
12property under s. 70.32 (2) (a) 2. and, as determined by rule by the department of
13revenue, the building's interior lighting, heating, cooling, ventilation, and hot water
14systems use at least 50 percent less energy than a building that satisfies the
15minimum requirements under standard 90.1-2001 of the American Society of
16Heating, Refrigerating, and Air-Conditioning Engineers and the Illuminating
17Engineering Society of North America, as in effect on April 2, 2003.
AB378,14,2018 (c) Limitations. 1. The maximum amount that a claimant may claim under this
19subsection is an amount equal to the total square footage of the building multiplied
20by $1.80.
AB378,15,321 2. Partnerships, limited liability companies, and tax-option corporations may
22not claim the credit under this subsection, but the eligibility for, and the amount of,
23the credit are based on their payment of amounts under par. (b). A partnership,
24limited liability company, or tax-option corporation shall compute the amount of
25credit that each of its partners, members, or shareholders may claim and shall

1provide that information to each of them. Partners, members of limited liability
2companies, and shareholders of tax-option corporations may claim the credit in
3proportion to their ownership interests.
AB378,15,54 (d) Administration. Subsection (4) (e) to (h), as it applies to the credit under
5sub. (4), applies to the credit under this subsection.
AB378, s. 16 6Section 16. 71.28 (4) (ad) 1. of the statutes is amended to read:
AB378,15,217 71.28 (4) (ad) 1. Except as provided in subds. 2. and 3. to 4., any corporation
8may credit against taxes otherwise due under this chapter an amount equal to 5
9percent of the amount obtained by subtracting from the corporation's qualified
10research expenses, as defined in section 41 of the Internal Revenue Code, except that
11"qualified research expenses" includes only expenses incurred by the claimant,
12incurred for research conducted in this state for the taxable year, except that a
13taxpayer may elect the alternative computation under section 41 (c) (4) of the
14Internal Revenue Code and that election applies until the department permits its
15revocation, except as provided in par. (af), and except that "qualified research
16expenses" does not include compensation used in computing the credit under subs.
17(1dj) and (1dx), the corporation's base amount, as defined in section 41 (c) of the
18Internal Revenue Code, except that gross receipts used in calculating the base
19amount means gross receipts from sales attributable to Wisconsin under s. 71.25 (9)
20(b) 1. and 2., (d), (df), and (dh). Section 41 (h) of the Internal Revenue Code does not
21apply to the credit under this paragraph.
AB378, s. 17 22Section 17. 71.28 (4) (ad) 4. of the statutes is created to read:
AB378,16,1423 71.28 (4) (ad) 4. a. For taxable years beginning after June 30, 2008, and before
24July 1, 2009, any corporation may credit against taxes otherwise due under this
25chapter an amount equal to 10 percent of the amount obtained by subtracting from

1the corporation's qualified research expenses, as defined in section 41 of the Internal
2Revenue Code, except that "qualified research expenses" includes only expenses
3incurred by the claimant for research related to the design and manufacturing of
4equipment that captures solar energy, wind energy, or gas from livestock manure and
5other agricultural waste and converts such energy or gas into electricity, incurred for
6research conducted in this state for the taxable year, except that a taxpayer may elect
7the alternative computation under section 41 (c) (4) of the Internal Revenue Code
8and that election applies until the department permits its revocation, except as
9provided in par. (af), and except that "qualified research expenses" does not include
10compensation used in computing the credit under subs. (1dj) and (1dx), the
11corporation's base amount, as defined in section 41 (c) of the Internal Revenue Code,
12except that gross receipts used in calculating the base amount means gross receipts
13from sales attributable to Wisconsin under s. 71.25 (9) (b) 1. and 2. and (d). Section
1441 (h) of the Internal Revenue Code does not apply to the credit under this paragraph.
AB378,16,2115 b. The maximum amount of the credits that may be claimed by all claimants
16under subd. 4. a. is $250,000. No claimant may claim a credit under subd. 4. a. unless
17the claimant files an application for the credit with the department, in the manner
18prescribed by the department, and the department approves the credit. The
19department shall adjust the amount of the credits claimed by each claimant so that
20the total amount of all credits claimed does not exceed the maximum amount
21established under this subd. 4. b.
AB378, s. 18 22Section 18. 71.28 (5) (ad) 1. of the statutes is amended to read:
AB378,17,523 71.28 (5) (ad) 1. Except as provided in subds. 2. and 3. to 4., for taxable year
241986 and subsequent years, any corporation may credit against taxes otherwise due
25under this chapter an amount equal to 5 percent of the amount paid or incurred by

1that corporation during the taxable year to construct and equip new facilities or
2expand existing facilities used in this state for qualified research, as defined in
3section 41 of the Internal Revenue Code. Eligible amounts include only amounts
4paid or incurred for tangible, depreciable property but do not include amounts paid
5or incurred for replacement property.
AB378, s. 19 6Section 19. 71.28 (5) (ad) 4. of the statutes is created to read:
AB378,17,187 71.28 (5) (ad) 4. a. For taxable years beginning after June 30, 2008, and before
8July 1, 2009, any corporation may credit against taxes otherwise due under this
9chapter an amount equal to 10 percent of the amount paid or incurred by that
10corporation during the taxable year to construct and equip new facilities or expand
11existing facilities used in this state for qualified research, as defined in section 41 of
12the Internal Revenue Code, except that "qualified research expenses" includes only
13expenses paid or incurred by the claimant for research related to the design and
14manufacturing of equipment that captures solar energy, wind energy, or gas from
15livestock manure and other agricultural waste and converts such energy or gas into
16electricity. Eligible amounts include only amounts paid or incurred for tangible,
17depreciable property but do not include amounts paid or incurred for replacement
18property.
AB378,17,2519 b. The maximum amount of the credits that may be claimed by all claimants
20under subd. 4. a. is $250,000. No claimant may claim a credit under subd. 4. a. unless
21the claimant files an application for the credit with the department, in the manner
22prescribed by the department, and the department approves the credit. The
23department shall adjust the amount of the credits claimed by each claimant so that
24the total amount of all credits claimed does not exceed the maximum amount
25established under this subd. 4. b.
AB378, s. 20
1Section 20. 71.28 (5i) of the statutes is created to read:
AB378,18,32 71.28 (5i) Clean fuel fueling station credit. (a) Definitions. In this
3subsection:
AB378,18,44 1. "Biodiesel fuel" has the meaning given in s. 168.14 (2m) (a).
AB378,18,65 2. "Claimant" means a retail dealer, as defined in s. 78.005 (13m), who files a
6claim under this subsection.
AB378,18,77 3. "Clean fuel" means any fuel that consists of:
AB378,18,98 a. At least 85 percent ethanol, natural gas, compressed natural gas, liquified
9natural gas, liquified petroleum gas, or hydrogen.
AB378,18,1110 b. A mixture of diesel fuel and biodiesel fuel containing at least 20 percent
11biodiesel fuel.
AB378,18,1612 (b) Filing claims. Subject to the limitations provided in this subsection, for
13taxable years beginning after December 31, 2007, and before January 1, 2018, a
14claimant may claim as a credit against the taxes imposed under s. 71.23, up to the
15amount of the tax, an amount that is equal to the amount that the claimant paid in
16the taxable year to install or convert equipment that dispenses clean fuel.
AB378,18,1917 (c) Limitations. 1. The maximum amount that a claimant may claim under this
18subsection is an amount equal to $5,000 for each retail fueling station for which the
19claimant paid expenses as described under par. (b).
AB378,19,220 2. The maximum amount of the credits that may be claimed by all claimants
21under this subsection in each taxable year is $1,000,000. No claimant may claim a
22credit under this subsection unless the claimant files an application for the credit
23with the department, in the manner prescribed by the department, and the
24department approves the credit. The department shall adjust the amount of the

1credits claimed by each claimant so that the total amount of all credits claimed does
2not exceed the maximum amount established under this subdivision.
AB378,19,103 3. Partnerships, limited liability companies, and tax-option corporations may
4not claim the credit under this subsection, but the eligibility for, and the amount of,
5the credit are based on their payment of amounts under par. (b). A partnership,
6limited liability company, or tax-option corporation shall compute the amount of
7credit that each of its partners, members, or shareholders may claim and shall
8provide that information to each of them. Partners, members of limited liability
9companies, and shareholders of tax-option corporations may claim the credit in
10proportion to their ownership interests.
AB378,19,1211 (d) Administration. Subsection (4) (e) to (h), as it applies to the credit under
12sub. (4), applies to the credit under this subsection.
AB378, s. 21 13Section 21. 71.28 (5k) of the statutes is created to read:
AB378,19,1514 71.28 (5k) Energy efficient home construction credit. (a) Definitions. In
15this subsection:
AB378,19,1616 1. "Claimant" means a person who files a claim under this subsection.
AB378,19,1717 2. "Contractor" has the meaning given in s. 77.51 (2).
AB378,19,2018 3. "Energy efficient home" means a home that satisfies the energy savings
19requirements under section 45L (c) of the Internal Revenue Code, regardless of
20whether the home is certified under section 45L (d) of the Internal Revenue Code.
AB378,20,221 (b) Filing claims. Subject to the limitations provided in this subsection, for
22taxable years beginning after December 31, 2007, a claimant may claim as a credit
23against the taxes imposed under s. 71.23, up to the amount of the tax, the amount
24that the claimant paid in the taxable year for building materials used to construct

1an energy efficient home in this state, if the claimant is a contractor or a producer
2of manufactured homes.
AB378,20,53 (c) Limitations. 1. The maximum amount that a claimant may claim under this
4subsection in a taxable year is an amount equal to $2,000 for each energy efficient
5home constructed by the claimant in the taxable year.
AB378,20,136 2. Partnerships, limited liability companies, and tax-option corporations may
7not claim the credit under this subsection, but the eligibility for, and the amount of,
8the credit are based on their payment of amounts under par. (b). A partnership,
9limited liability company, or tax-option corporation shall compute the amount of
10credit that each of its partners, members, or shareholders may claim and shall
11provide that information to each of them. Partners, members of limited liability
12companies, and shareholders of tax-option corporations may claim the credit in
13proportion to their ownership interests.
AB378,20,1514 (d) Administration. Subsection (4) (e) to (h), as it applies to the credit under
15sub. (4), applies to the credit under this subsection.
AB378, s. 22 16Section 22. 71.30 (3) (dk) of the statutes is created to read:
AB378,20,1717 71.30 (3) (dk) Alternative energy sources credit under s. 71.28 (3x).
AB378, s. 23 18Section 23. 71.30 (3) (ed) of the statutes is created to read:
AB378,20,1919 71.30 (3) (ed) Clean fuel fueling station credit under s. 71.28 (5i).
AB378, s. 24 20Section 24. 71.30 (3) (edb) of the statutes is created to read:
AB378,20,2121 71.30 (3) (edb) Energy efficient home construction credit under s. 71.28 (5k).
AB378, s. 25 22Section 25. 71.30 (3) (edc) of the statutes is created to read:
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