Utility receives revised nuclear decommissioning schedule

Plain-English summary

An investor-owned utility requested a revised schedule governing deductible payments to its nuclear decommissioning reserve fund. The utility owned a redacted percentage of a nuclear plant and based its estimated decommissioning costs on studies used by public utility commissions for ratemaking. The IRS found that the utility had a qualifying ownership interest, used reasonable assumptions, and calculated its share of decommissioning costs under the section 468A regulations. It approved revised annual ruling amounts for the redacted years and commissions listed in the letter. Future specified events would require another revision request, and the utility must attach the ruling to returns claiming deductions for payments to the fund.

Ruling snapshot

• Question: Did the utility's proposed revised schedule of nuclear decommissioning fund contributions satisfy section 468A?
• Outcome: Approved, subject to the annual amounts and future-review requirements stated in the letter.
• Key authorities: IRC § 468A; Treas. Reg. §§ 1.468A-1, 1.468A-2, 1.468A-3, and 1.468A-7.

Full text (IRS public release)

Internal Revenue Service Department of the Treasury
Washington, DC 20224

Number: 201641006 Third Party Communication: None
Release Date: 10/7/2016 Date of Communication: Not Applicable
Index Number: 468A.04-02
Person To Contact:
--------------------- ------------------------, ID No. ------------------
------------------------------------ ----------------------------------------------------
------------------ Telephone Number:
----------------------- ----------------------
----------------------- Refer Reply To:
------------------------------------- CC:PSI:B06
PLR-108504-16
Date:
Re: Revised Schedule of Ruling Amounts July 07, 2016

LEGEND:
Taxpayer = --------------------------------------------------------------------------------------
Parent = ------------------------------------------------
Plant = ---------------------------
Location = -------------------------------------------------
State 1 = ---------------
State 2 = ---------------
State 3 = -------------
State 4 = -------------------
State 5 = -------------------
Commission A = ---------------------------------------------------------------
Commission B = ---------------------------------------------------------------------
Commission C = ---------------------------------------------------------------------
Commission D = -------------------------------------------------------------------
Commission E = -----------------------------------------------------------------
Order = --------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------
----------------------------
Recent Study = ------------------------------------------------------------------------
Prior Study = -----------------------------------------------------------------------
Method = ------------
Date 1 = --------------------
Date 2 = --------------------
Date 3 = -----------------------
Date 4 = ---------------------
a = ------------
b = ----------
c = ----------
d = ------------
e = --
f = ------------------
PLR-108504-16 2

g = --------------------
h = ------
i = ------
j = ------
k = ------
l = ----------
m = ------------
n = ------------
o = ------------
p = ------------
q = ------------
x = ------
Year 1 = -------
Year 2 = -------
Year 3 = -------
Year 4 = -------
Year 5 = -------
Fund = -------

Director =-- --------------------------------------------------------

Dear ----------------:

   This letter responds to your request, dated March 7, 2016, for an elective revised

schedule of ruling amounts under § 468A(d)(1) of the Internal Revenue Code and §
1.468A-3(f)(1)(iv) of the Income Tax Regulations. Taxpayer was previously granted
revised schedules of ruling amounts, most recently on Date 1.

  Taxpayer represents the facts and information relating to its request for a revised

schedule of ruling amounts as follows:

     Taxpayer is an investor-owned utility incorporated in State 1. Taxpayer, along

with an affiliate incorporated in State 2, is engaged in the operation of an electric public
utility system involving the generation, transmission, distribution and sale of electric
energy and the distribution and sale of natural gas in State 3, State 1, State 4, State 5,
and State 2. Taxpayer files a consolidated federal income tax return with its Parent on
a calendar-year basis using the accrual method of accounting. Taxpayer is under the
audit jurisdiction of the Industry Director.

   Taxpayer owns x percent of Plant. The Plant is situated at Location. The Plant’s

operating license was extended by the Nuclear Regulatory Commission on Date 2, and
expires on Date 4. With respect to the decommissioning costs related to the Plant
which are included in the Taxpayer’s cost of service for ratemaking purposes, the
Taxpayer is subject to regulation by Commission A (a percent), Commission B (b
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percent), Commission C (c percent), Commission D (d percent), and Commission E (e
percent).

    Commission A, in Order dated Date 3, approved the Taxpayer’s estimated

decommissioning costs to be included in Taxpayer’s cost of service for ratemaking
purposes following Commission A’s mandatory periodic review of Taxpayer’s
decommissioning costs. The Order approves, and relies upon assumptions provided in,
the Recent Study, which takes the extension of the operating license of Plant into
account. These costs, as well as those in Prior Study, have been incorporated into the
cost of service by Commission A and Commission D. Taxpayer’s decommissioning
costs incorporated into its cost of service by Commission B and Commission C are
based on Prior Study. The proposed method of decommissioning under both studies
for the Plant is Method.

   The total estimated cost of $f (in Year 1 dollars) was used as a base cost for

decommissioning the Plant. The total estimated future cost of decommissioning the
Plant is $g (in Year 4 - Year 5 dollars). It is estimated that substantial decommissioning
costs will first be incurred in Year 4 and that decommissioning will be substantially
complete at the end of Year 5. The methodology used to convert the Year 1 dollars to
Year 4 - Year 5 dollars was by escalating the estimated costs at a rate of h percent until
plant operations and radiological decommissioning activities have been completed and
then at i percent thereafter, through Year 5. The assumed after-tax rate of return to be
earned by the amount collected for decommissioning is j percent through Year 4 and is
k percent thereafter.

   Section 468A(a), as amended by the Energy Tax Incentives Act of 2005 (the

Act), Pub. L. 109-58, 119 Stat. 594, allows an electing taxpayer to deduct payments
made to a nuclear decommissioning reserve fund.

   Section 468A(b) limits the amount that may be paid into the nuclear

decommissioning fund in any year to the ruling amount applicable to that year. Prior to
the changes made by the Act, the deduction was limited to the lesser of the amount
included in the utility’s cost of service for ratemaking purposes or the ruling amount.
Generally, as a result, only regulated utilities could take advantage of § 468A. The Act
amendment of § 468A eliminated the cost-of-service limitation. Accordingly,
decommissioning costs of an unregulated nuclear power plant may now be funded by
deductible contributions to a qualified nuclear decommissioning fund.

   Section 468A(d)(1) provides that no deduction shall be allowed for any payment

to the nuclear decommissioning fund unless the taxpayer requests and receives from
the Secretary a schedule of ruling amounts. The "ruling amount" for any tax year is
defined under § 468A(d)(2) as the amount which the Secretary determines to be
necessary to fund the total nuclear decommissioning cost of that nuclear power plant
over the estimated useful life of the plant. This term is further defined to include the
PLR-108504-16 4

amount necessary to prevent excessive funding of nuclear decommissioning costs or
funding of these costs at a rate more rapid than level funding, taking into account such
discount rates as the Secretary deems appropriate.

   Section 468A(h) provides that a taxpayer shall be deemed to have made a

payment to the nuclear decommissioning fund on the last day of a taxable year if the
payment is made on account of such taxable year and is made within 2½ months after
the close of the tax year. This section applies to payments made pursuant to either a
schedule of ruling amounts or a schedule of deduction amounts.

   Section 1.468A-1(a) provides that an eligible taxpayer may elect to deduct

nuclear decommissioning costs under § 468A of the Code. An "eligible taxpayer," as
defined under § 1.468A-1(b)(1) of the regulations, is a taxpayer that has a "qualifying
interest" in any portion of a nuclear power plant. A qualifying interest is, among other
things, a direct ownership interest.

   Section 1.468A-2(b)(1) provides that the maximum amount of cash payments

made (or deemed made) to a nuclear decommissioning fund during any tax year shall
not exceed the ruling amount applicable to the nuclear decommissioning fund for such
taxable year. The limitation on the amount of cash payments for purposes of
§ 1.468A-2(b)(1) does not apply to any “special transfer” permitted under § 1.468A-8.

    Section 1.468A-3(a)(1) provides that, in general, a schedule of ruling amounts for

a nuclear decommissioning fund is a ruling specifying annual payments that, over the
tax years remaining in the "funding period" as of the date the schedule first applies, will
result in a projected balance of the nuclear decommissioning fund as of the last day of
the funding period equal to (and in no event more than) the "amount of
decommissioning costs allocable to the fund."

    Section 1.468A-3(a)(2) provides that, to the extent consistent with the principles

and provisions of this section, each schedule of ruling amounts shall be based on
reasonable assumptions concerning the after-tax rate of return to be earned by the
amounts collected for decommissioning, the total estimated cost of decommissioning
the nuclear plant, and the frequency of contributions to a nuclear decommissioning fund
for a taxable year. Under § 1.468A-3(a)(3), the Internal Revenue Service shall provide
a schedule of ruling amounts identical to the schedule proposed by the taxpayer, but no
such schedule shall be provided by the Service unless the taxpayer's proposed
schedule is consistent with the principles and provisions of that section.

   Section 1.468A-3(a)(4) provides that the taxpayer bears the burden of

demonstrating that the proposed schedule of ruling amounts is consistent with the
principles of the regulations and that it is based on reasonable assumptions. That
section also provides additional guidance regarding how the Service will determine
whether a proposed schedule of ruling amounts is based on reasonable assumptions.
PLR-108504-16 5

For example, if a public utility commission established or approved the currently
applicable rates for the furnishing or sale by the taxpayer of electricity from the plant,
the taxpayer can generally satisfy this burden of proof by demonstrating that the
schedule of ruling amounts is calculated using the assumptions used by the public utility
commission in its most recent order. In addition, a taxpayer that owns an interest in a
deregulated nuclear plant may submit assumptions used by a public utility commission
that formerly had regulatory jurisdiction over the plant as support for the assumptions
used in calculating the taxpayer’s proposed schedule of ruling amounts, with the
understanding that the assumptions used by the public utility commission may be given
less weight if they are out of date or were developed in a proceeding for a different
taxpayer. The use of other industry standards, such as the assumptions underlying the
taxpayer's most recent financial assurance filing with the NRC, are described by the
regulations as an alternative means of demonstrating that the taxpayer has calculated
its proposed schedule of ruling amounts on a reasonable basis. Section 1.468A-3(a)(4)
further provides that consistency with financial accounting statements is not sufficient, in
the absence of other supporting evidence, to meet the taxpayer’s burden of proof.

   Section 1.468A-3(b)(1) provides that, in general, the ruling amount for any tax

year in the funding period shall not be less than the ruling amount for any earlier tax
year. Under § 1.468A-3(c)(1), the funding period begins on the first day of the first tax
year for which a deductible payment is made to the nuclear decommissioning fund and
ends on the last day of the taxable year that includes the last day of the estimated
useful life of the nuclear power plant to which the fund relates.

   Section 1.468A-3(c)(2) provides rules for determining the estimated useful life of

a nuclear plant for purposes of § 468A. In general, under § 1.468A-3(c)(2)(i)(A), if the
plant was included in rate base for ratemaking purposes for a period prior to
January 1, 2006, the date used in the first such ratemaking proceeding as the estimated
date on which the nuclear plant will no longer be included in the taxpayer’s rate base is
the end of the estimated useful life of the nuclear plant. Section 1.468A-3(c)(2)(i)(B)
provides that, if the nuclear plant is not described in § 1.468A-3(c)(2)(i)(A), the last day
of the estimated useful life of the nuclear plant is determined as of the date the plant is
placed in service. Under § 1.468A-3(c)(2)(i)(C), any reasonable method may be used in
determining the estimated useful life of a nuclear power plant that is not described in
§ 1.468A-3(c)(2)(i)(A).

   Section 1.468A-3(d)(1) provides that the amount of decommissioning costs

allocable to a nuclear decommissioning fund is the taxpayer's share of the total
estimated cost of decommissioning the nuclear power plant. Section 1.468A-3(d)(3)
provides that a taxpayer's share of the total estimated cost of decommissioning a
nuclear power plant equals the total estimated cost of decommissioning such plant
multiplied by the taxpayer's qualifying interest in the plant.
PLR-108504-16 6

   Section 1.468A-3(e) provides the rules regarding the manner of requesting a

schedule of ruling amounts. Section 1.468A-3(e)(1)(v) provides that the Service will not
provide or revise a ruling amount applicable to a taxable year in response to a request
for a schedule of ruling amounts that is filed after the deemed payment date (as defined
in § 1.468A-2(c)(1)) for such taxable year.

  Section 1.468A-3(e)(2) enumerates the information required to be contained in a

request for a schedule of ruling amounts filed by a taxpayer in order to receive a ruling
amount for any taxable year.

   Section 1.468A-3(e)(3) provides that the Service may prescribe administrative

procedures that supplement the provisions of §§ 1.468A-3(e)(1) and (2). In addition,
that section provides that the Service may, in its discretion, waive the requirements of
§§ 1.468A-3(e)(1) and (2) under appropriate circumstances.

   Section 1.468A-3(f)(2) provides that any taxpayer that has previously obtained a

schedule of ruling amounts may request a revised schedule of ruling amounts. Such a
request must be made in accordance with the rules of § 1.468A-3(e). The Internal
Revenue Service shall not provide a revised schedule of ruling amounts applicable to a
taxable year in response to a request for a schedule of ruling amounts that is filed after
the deemed payment deadline date for such taxable year.

   We have examined the representations and information submitted by the

Taxpayer in relation to the requirements set forth in § 468A and the regulations
thereunder. Based solely upon these representations of the facts, we reach the
following conclusions:

   1. Pursuant to § 1.468A-3(a)(4), Taxpayer has met its burden of demonstrating
      that the proposed schedule of ruling amounts is consistent with the principles
      of the Code and regulations and is based on reasonable assumptions.

   2. Taxpayer has a qualifying interest in the Plant and is, therefore, an eligible
      taxpayer under § 1.468A-1(b)(1) of the regulations.

   3. Taxpayer, as owner of the Plant, has calculated its decommissioning costs
      under § 1.468A-3(d)(3) of the regulations.

   4. The proposed schedule of ruling amounts was derived by following the
      assumptions contained in Recent Study and Prior Study that have been
      considered and approved by Commission A. The underlying assumptions
      were used by Commission A to calculate the amount of decommissioning
      costs to be included in Taxpayer’s cost of service for ratemaking purposes.
      Thus, Taxpayer has demonstrated, pursuant to § 1.468A-3(a)(4), that the

PLR-108504-16 7

        proposed schedule of ruling amounts is based on reasonable assumptions
        and is consistent with the principles of § 468A and the regulations thereunder.

    5. The maximum amount of cash payments made (or deemed made) to the
       Fund during any tax year is restricted to the ruling amount applicable to the
       Fund, as set forth under § 1.468A-2(b)(1) of the regulations.

  Based solely on the determinations above, we conclude that the Taxpayer’s

proposed schedule of ruling amounts satisfies the requirements of § 468A of the Code.
We have approved the following revised schedule of ruling amounts.

                       APPROVED SCHEDULE OF RULING AMOUNTS

Years Commission A Commission D Commission C1 Totals

Year 2 $m $o $p
Each Year,
Year3- Year 4 $l $n $o $q

   If any of the events described in § 1.468A-3(f)(1) occur in future years, the

Taxpayer must request a review and revision of the schedule of ruling amounts.
Generally, the Taxpayer is required to file such a request on or before the deemed
payment deadline date for the first taxable year in which the rates reflecting such action
became effective. When no such event occurs, the Taxpayer must file a request for a
revised schedule of ruling amounts on or before the deemed payment deadline of the
tenth taxable year following the close of the tax year in which this schedule of ruling
amounts is received.

   Except as specifically determined above, no opinion is expressed or implied

concerning the Federal income tax consequences of the transaction described above.
Specifically, no determination is made whether the Independent Study conforms to
industry standards and practices.

   This ruling is directed only to the Taxpayer who requested it. Section 6110(k)(3)

of the Code provides it may not be used or cited as precedent. In accordance with the
power of attorney on file with this office, a copy of this letter is being sent to your
authorized representative. We are also sending a copy of this letter ruling to the
Director. Pursuant to § 1.468A-7(a), a copy of this letter must be attached (with the

1
The ruling amount for Commission C is not specifically reviewed herein and is reprinted to arrive at the
amount for the total ruling amount. For purposes of the review and revision under § 1.468A-
3(i)(1)(iii)(A)(3), the date of the schedule of ruling amounts approved by the Service on July 9, 2008,
governs the review period for the Commission C ruling amounts.
PLR-108504-16 8

required Election Statement) to the Taxpayer's federal income tax return for each tax
year in which the Taxpayer claims a deduction for payments made to the Fund.

                                            Sincerely yours,



                                            PETER C. FRIEDMAN
                                            Senior Technician Reviewer, Branch 6
                                            Office of the Associate Chief Counsel
                                            (Passthroughs and Special Industries)