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Arizona Property Tax Updates

UPDATED July 2017

Rooftop Solar Systems Cannot be Assessed by the Arizona Department of Revenue

In a unanimous published opinion at the Arizona Court of Appeals, the Court held that rooftop solar systems cannot be assessed or taxed by the Arizona Department of Revenue (“ADOR”).  Starting in 2013, ADOR reversed years of practice by unilaterally deciding that it could assess and tax rooftop solar systems owned by companies that lease and install the systems on customers’ properties.  ADOR argued that the panels were subject to assessment as equipment involved in the operation of an electric generation facility.  Taxpayers – represented by Mooney, Wright & Moore, PLLC – sued for declaratory relief in the Arizona Tax Court, arguing that ADOR did not have authority to assess the rooftop solar systems because they were not part of an electric generation facility.  Taxpayers also argued that the systems had no value for property taxation purposes pursuant to A.R.S. 42-11054(C)(2) because they were designed primarily for on-site consumption. 

Taxpayers sought a quick resolution, filing a motion for summary judgment within thirty days of filing the lawsuit.  Through various discovery delays, however, ADOR did not respond to the motion for summary judgment for over seven months.  Ultimately, ADOR responded with a cross-motion for summary judgment, arguing that ADOR had the authority to tax the solar systems and that, alternatively, A.R.S. 42-11054(C)(2) was unconstitutional and the systems should be assessed by local counties.  The Tax Court issued a declaratory judgment agreeing with Taxpayers that ADOR had no authority to assess the rooftop solar systems.  The Tax Court further ruled, however, that the rooftop systems were assessable locally by the counties and that A.R.S. 42-11054(C)(2) was unconstitutional. 

Both parties appealed.  In a complete victory for Taxpayers, the Court of Appeals (Division 1) affirmed the Tax Court’s ruling that ADOR did not have authority to assess or tax the systems.  The Court also reversed the Tax Court’s ruling that A.R.S. 42-11054(C)(2) was unconstitutional (under either the Exemptions Clause or Uniformity Clause).  The Court also reversed the ruling that the counties in Arizona should be taxing such equipment.  The also reversed the Tax Court’s denial of attorneys’ fees to Taxpayers – holding that the Tax Court abused its discretion by failing to grant Taxpayers their fees and costs as the prevailing party pursuant to A.R.S. 12-348.  Finally, the Court granted Taxpayers request for attorneys’ fees on appeal.  The opinion represents a victory for all taxpayers in curtailing an overreach by ADOR and a significant victory for the solar industry in Arizona.  It can be found at SolarCity Corp. v. Arizona Dept. of Rev., No. 1 CA-TX 15-0008 (May 18, 2017) (2017 WL 2180393).

 
Mooney, Wright & Moore, PLLC
American Property Tax Counsel (APTC)

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