Utah Office of Consumer Servs. v. Pub. Serv. Comm'n of Utah , 445 P.3d 464 ( 2019 )


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  •                   This opinion is subject to revision before final
    publication in the Pacific Reporter
    
    2019 UT 26
    IN THE
    SUPREME COURT OF THE STATE OF UTAH
    UTAH OFFICE OF CONSUMER SERVICES and UTAH ASSOCIATION OF
    ENERGY USERS,
    Petitioners,
    v.
    PUBLIC SERVICE COMMISSION OF UTAH, UTAH DIVISION OF PUBLIC
    UTILITIES, and PACIFICORP D/B/A ROCKY MOUNTAIN POWER,
    Respondents.
    No. 20170364
    Filed June 27, 2019
    On Petition for Review of Agency Decisions
    Attorneys:
    Robert J. Moore, Asst. Att’y Gen., Steven W. Snarr, Special Asst.
    Att’y Gen., Salt Lake City, for petitioner Utah Office of Consumer
    Services
    Gary A. Dodge, Phillip J. Russell, Salt Lake City, for petitioner Utah
    Association of Energy Users
    Melanie A. Reif, Salt Lake City, for respondent Public Service
    Commission of Utah
    Sean D. Reyes, Att’y Gen., Brent A. Burnett, Asst. Solic. Gen., Patricia
    E. Schmid, Asst. Att’y Gen., Justin C. Jetter, Asst. Att’y Gen., Salt
    Lake City for respondent Utah Division of Public Utilities
    R. Jeff Richards, Yvonne R. Hogle, D. Matthew Moscon, Bret W.
    Reich, Salt Lake City, for respondent PacifiCorp d/b/a Rocky
    Mountain Power
    Jenniffer Nelson Clark, Cameron L. Sabin, Salt Lake City, for amicus
    curiae Questar Gas Company d/b/a Dominion Energy Utah
    ASSOCIATE CHIEF JUSTICE LEE authored the opinion of the Court, in
    which CHIEF JUSTICE DURRANT, JUSTICE HIMONAS, JUSTICE PEARCE,
    and JUSTICE PETERSEN joined.
    UTAH OFFICE OF CONSUMER SERVICES v. PUBLIC SERVICE COMMISSION
    OF UTAH
    Opinion of the Court
    ASSOCIATE CHIEF JUSTICE LEE, opinion of the Court:
    ¶1 The Utah Office of Consumer Services and the Utah
    Association of Energy Users (“Consumer Groups”) challenge orders
    from the Public Service Commission in two related cases. We
    consolidated these cases because they raise the same threshold legal
    question—whether the Commission has the authority to impose
    “interim” rates as an element of the energy balancing account
    procedures described in Utah Code section 54-7-13.5. We hold that
    the Commission lacks this authority.
    ¶2 The interim rates at issue were imposed without a
    requirement that the public utility prove by “substantial evidence”
    that the costs incorporated in the rates were “prudently incurred” or
    “just and reasonable.” We hold that this runs afoul of the controlling
    standard set forth in Utah Code section 54-7-13.5(2)(e)(ii). And we set
    aside the Commission’s orders on this basis.
    I
    ¶3 The Public Service Commission is authorized by statute to
    “supervise and regulate every public utility in this state.” UTAH
    CODE § 54-4-1. One of the utilities regulated by the Commission is
    PacifiCorp, d/b/a Rocky Mountain Power, an electric power
    provider. PacifiCorp’s rates are set by the Commission under terms
    and conditions set forth in the Utah code. A threshold step in the rate
    setting process is a “general rate” case.
    ¶4 In a general rate case the Commission estimates what it will
    cost PacifiCorp to provide electricity to customers. That estimate
    becomes the utility’s “base rate.” See 
    id. § 54-7-12(1)(a)(i).
    Included in
    the base rate is a projected estimate of PacifiCorp’s net power costs.
    In any given year, however, actual net power costs will vary from
    the costs predicted in a general rate case. With that in mind, the
    legislature created a mechanism to account for these differences—the
    “energy balancing account,” or EBA. See 
    id. § 54-7-13.5.
        ¶5 An EBA is an account used to track PacifiCorp’s incurred net
    power costs. The account must be authorized by the Commission. It
    “become[s] effective” upon a finding that it is “(i) in the public
    interest; (ii) for prudently-incurred costs; and (iii) implemented at
    the conclusion of a general rate case.” 
    Id. § 54-7-13.5(2)(b).
    Once an
    EBA is approved, PacifiCorp is authorized to track the costs
    identified in that account. Such EBA costs include fuel, purchased
    power, and wheeling expenses—“less wholesale revenues.” 
    Id. § 54-7-13.5(1)(b).
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                             Opinion of the Court
    ¶6 PacifiCorp must annually file “a reconciliation of the energy
    balancing account with the [C]ommission” seeking either a recovery
    from or a refund to customers—based on the difference between the
    estimated net power costs reflected in the base rate and PacifiCorp’s
    actual net power costs incurred that year. 
    Id. § 54-7-13.5(2)(c).
    PacifiCorp bears the burden of proving that its costs are “prudently
    incurred.” 
    Id. § 54-7-13.5(2)(d).
    This annual filing is subject to review
    by the Division of Public Utilities. The Division conducts an audit
    and submits a report to the Commission. And the report is used by
    the Commission to determine whether a refund or recovery is
    appropriate. This process is repeated annually until a new base rate
    is set in a new general rate case.
    ¶7 PacifiCorp’s rates have been established in accordance with
    the above procedures. In 2009, PacifiCorp filed an application for
    approval of a proposed EBA in accordance with the newly-passed
    EBA statute—Utah Code section 54-7-13.5. The Commission opened
    a docket to review the filing. Two years later, the Commission
    approved the EBA and ordered the implementation of a four-year
    EBA pilot program. The Commission asked the Division to file
    periodic reports evaluating the program. The Commission also
    sanctioned the use of an “interim rate” procedure as part of the EBA
    process. Under that process, PacifiCorp would file its annual EBA
    report comparing estimated power costs with its actual power costs.
    PacifiCorp would propose an interim rate based on the difference
    between estimated and actual costs. The Division would then review
    PacifiCorp’s report and determine whether it departed from prior
    years’ filings. If not, the Division would recommend that the
    Commission approve PacifiCorp’s proposed interim rate. The
    Commission would review the Division’s recommendation and hold
    a hearing. If an interim rate was approved by the Commission, the
    interim rate would go into effect while the Division completed its
    full audit of PacifiCorp’s EBA report to determine if PacifiCorp’s
    claimed costs were prudently incurred.
    ¶8 On August 30, 2012, the Commission issued an order
    eliminating the EBA interim rate process. The Commission indicated
    that it had failed to consider what costs associated with PacifiCorp’s
    financial swap transactions1 qualified for recovery under the EBA
    _____________________________________________________________
    1  Swap transactions are “financial transaction[s] between two
    parties . . . in which payments or rates are exchanged over a specified
    (continued . . .)
    3
    UTAH OFFICE OF CONSUMER SERVICES v. PUBLIC SERVICE COMMISSION
    OF UTAH
    Opinion of the Court
    when it initially approved the interim rate process. In the
    Commission’s view, a determination of what costs could be
    recovered for these swap transactions would require a significant
    amount of time and likely would result in highly contentious
    litigation in both the interim and final EBA hearings. So the
    Commission decided that an interim rate process was no longer
    appropriate for the EBA mechanism.
    ¶9 The Division filed its first report evaluating the EBA
    program in May 2014. The Division noted that it had been required
    to devote significant time to review PacifiCorp’s filings due to the
    complexity of the EBA process. And it recommended some
    structural changes. The Commission, however, determined that it
    was too early to make any changes to the EBA program.
    ¶10 The Division filed its final report two years later. It
    recommended that “[t]he time period for [its] audits . . . be extended
    to one year and interim rates . . . be established until the Division can
    complete its audit.” On February 16, 2017, the Commission issued an
    order adopting the Division’s recommendation that interim rates be
    reinstated in the EBA mechanism. In so concluding, the Commission
    reasoned that circumstances had changed since its August 30, 2012
    order rejecting interim rates. Specifically, the Commission asserted
    that the contentious issues and litigation surrounding PacifiCorp’s
    swap transactions had been resolved. And for that reason the
    Commission concluded that an interim rate process was now
    appropriate.
    ¶11 The Commission asserted that the interim rate subsection of
    the general rate case statute, 
    id. § 54-7-12(4)(a),
    authorized it to
    establish interim rates in an EBA proceeding. And it incorporated
    the procedural and timing requirements outlined in that subsection.
    First, the Commission defined PacifiCorp’s burden of proof to be
    commensurate with the burden of proof standard established in
    subsection 54-7-12(4)(a)(iii). See 
    id. § 54-7-12(4)(a)(iii)
    (stating that a
    utility “shall establish an adequate prima facie showing that the
    period and according to specified conditions.” Swap, BLACK’S LAW
    DICTIONARY (11th ed. 2019). PacifiCorp uses swap transactions to
    hedge market-price risk, particularly for the market price of natural
    gas. A natural gas swap is a contract that gives PacifiCorp the right
    to buy or sell a specified amount of natural gas at a specific price
    within a specific timeframe in exchange for an upfront premium.
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                            Opinion of the Court
    interim rate increase or decrease is justified”). The Commission
    asked the Division to review PacifiCorp’s EBA filing and determine
    whether the filing “appears to not depart from prior years’ filings.”
    PacifiCorp would eventually have to prove by substantial evidence
    that its claimed costs were prudently incurred. But a lower standard
    was appropriate in the interim in the Commission’s view. Second,
    the Commission determined that it would act upon a request for
    interim rates within 45 days of PacifiCorp’s EBA filing. See 
    id. § 54-7-12(4)(a)(ii).
       ¶12 The Commission found further justification for these
    decisions in our case law. It noted that in Questar Gas Co. v. Utah
    Public Service Commission, 
    2001 UT 93
    , 
    34 P.3d 218
    , we recognized the
    Commission’s “authority to authorize interim rates in the Questar
    Gas 191 balancing account mechanism.” And it reasoned that
    “PacifiCorp’s EBA is in some ways similar to Account 191.” Drawing
    on these similarities, the Commission determined that Questar Gas
    supported its decision to allow interim rates and adopt the
    procedures described in subsection 54-7-12(4)(a).
    ¶13 The Consumer Groups filed a petition for reconsideration
    and rehearing challenging the legality of the decision to incorporate
    an interim rate process in the EBA mechanism. The Consumer
    Groups asserted that subsection 54-7-12(4)(a)(ii) could not be applied
    outside of a general rate case, and insisted that the interim rate
    procedures described in subsection (4)(a) run afoul of section
    54-7-13.5 by altering the standard for cost recovery and PacifiCorp’s
    burden of proof. See UTAH CODE § 54-7-13.5(2)(e) (“An energy
    balancing account may not alter: (i) the standard for cost recovery; or
    (ii) the electrical corporation’s burden of proof.”). The Commission
    rejected the Consumer Groups’ petition. And the petition to this
    court in Case No. 20170364 followed.
    ¶14 About a year later, PacifiCorp submitted its 2018 EBA filing.
    That filing differed in one significant way from PacifiCorp’s 2017
    filing: It proposed to recover EBA costs in the amount of
    approximately $2.8 million on an interim basis. The Division
    reviewed PacifiCorp’s filing and determined that it appeared not to
    depart from the prior years’ filings. And on that basis the Division
    recommended that PacifiCorp be allowed to recover its claimed EBA
    costs. The Commission agreed. It issued an order on April 27, 2018
    imposing interim rates. The Consumer Groups filed a petition for
    reconsideration. They raised the same arguments that they made
    when challenging the Commission’s February 16, 2017 order
    approving an interim rate procedure. The Commission rejected the
    5
    UTAH OFFICE OF CONSUMER SERVICES v. PUBLIC SERVICE COMMISSION
    OF UTAH
    Opinion of the Court
    Consumer Groups’ petition. And the petition in Case No. 20180536
    followed. Since the Commission’s April 27, 2018 order, customers
    have been paying PacifiCorp the disputed rates.
    II
    ¶15 The Consumer Groups challenge the Commission’s interim
    rate orders on two grounds. They first contend that the Commission
    lacks the authority to interject interim rates in the EBA mechanism.
    Second, they assert that the Commission’s orders mark a departure
    from prior practice in violation of the Utah Administrative
    Procedures Act (“UAPA”). We agree with the Consumer Groups’
    first argument. Specifically, we conclude that the Commission
    violated the statutory mandate that an EBA “may not alter . . . the
    electrical corporation’s burden of proof.” UTAH CODE
    § 54-7-13.5(2)(e). And we set aside the Commission’s orders on that
    basis (without reaching the question whether the Commission acted
    inconsistently with prior practice in violation of UAPA).
    ¶16 Before expounding on the basis for our decision we first
    address statutory standing questions raised by the Division and the
    Commission. Those questions arise under a statutory requirement
    that parties challenging an order of the Commission demonstrate
    that they have been “substantially prejudiced” by the Commission’s
    orders. 
    Id. § 63G-4-403(4).
    The Division and the Commission assert
    that the Consumer Groups fail to carry this burden. We disagree for
    reasons set forth below.
    A
    ¶17 The UAPA governs claims asserted against an agency. UTAH
    CODE § 63G-4-105(1) (“The procedures for agency action, agency
    review, and judicial review contained in this chapter are applicable
    to all agency adjudicative proceedings commenced by or before an
    agency on or after January 1, 1988.”). Before a court may grant relief
    under the UAPA, it must determine that the “person seeking judicial
    review has been substantially prejudiced.” 
    Id. § 63G-4-403(4).
    “A
    party has been substantially prejudiced if ‘the alleged error was not
    harmless.’” Utah Chapter of the Sierra Club v. Utah Air Quality Bd.,
    
    2006 UT 74
    , ¶ 15, 
    148 P.3d 960
    (quoting WWC Holding Co. v. Pub.
    Serv. Comm’n of Utah, 
    2002 UT 23
    , ¶ 7, 
    44 P.3d 714
    ).
    ¶18 The Division challenges the Consumer Groups’ statutory
    standing to advance the claims set forth in the first petition. The
    Consumer Groups’ primary claim of prejudice is related to the
    imposition of interim rates. But those rates did not go into effect
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                             Opinion of the Court
    until after the Consumer Groups filed their first petition. So the
    Division asserts that the Consumer Groups’ first petition should be
    dismissed for failure to demonstrate substantial prejudice.
    ¶19 We disagree. A party may suffer substantial prejudice even
    though the claimed injury is one not yet realized. This principle was
    key to our decision in Utah Chapter of the Sierra Club, 
    2006 UT 74
    .
    There we determined that petitioners had standing to pursue their
    claims even though their alleged injury had not yet been suffered.
    The Utah Division of Air Quality had granted a permit to the Sevier
    Power Company authorizing the construction of a coal-fired power
    plant. 
    Id. ¶ 1.
    Although the power plant had not yet been built, we
    noted that the plant presented a serious danger of future pollution.
    
    Id. ¶ 22.
    And we explained that that pollution would jeopardize the
    petitioners’ health, the value of their land, and their enjoyment of the
    surrounding ecosystem. 
    Id. We accordingly
    concluded that
    petitioners had standing to challenge the Utah Air Quality Board’s
    decision.
    ¶20 We reach a similar conclusion here. We hold that the
    Consumer Groups’ first petition clears the threshold hurdle of
    demonstrating substantial prejudice. The Consumer Groups’ alleged
    prejudice was sufficiently imminent when the Commission decided
    to reinstate interim rates. The Commission would not have
    reinstated interim rates if PacifiCorp had no intention of recovering
    costs on an interim basis. PacifiCorp and the Division recommended
    that the Commission adopt an interim rate procedure so PacifiCorp
    could recover its EBA costs while the Division finished its audit. The
    prospect that the Consumer Groups would end up paying an interim
    rate surcharge was more than hypothetical. The facts of these
    consolidated cases demonstrate as much. We thus conclude that we
    can consider the merits of the Consumer Groups’ first petition.
    ¶21 The Commission also challenges the Consumer Groups’
    statutory standing to advance the claims set forth in the second
    petition. In the Commission’s view, the Consumer Groups are
    estopped from asserting that they have suffered substantial
    prejudice from the Commission’s order requiring customers to pay
    $2.8 million on an interim basis. And because the Consumer Groups
    are foreclosed from claiming that they have been substantially
    prejudiced, the Commission asks us to dismiss the Consumer
    Groups’ second petition on statutory standing grounds. We disagree
    with the premise of this argument. We do not think that the
    Consumer Groups are estopped from arguing substantial prejudice.
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    UTAH OFFICE OF CONSUMER SERVICES v. PUBLIC SERVICE COMMISSION
    OF UTAH
    Opinion of the Court
    And we believe that they have satisfied their burden of
    demonstrating such prejudice.
    ¶22 The alleged error here is that the Commission erroneously
    interjected an interim rate procedure into the EBA mechanism. And
    the claimed prejudice stemming from this error is that customers are
    being forced to pay $2.8 million in increased rates prematurely. The
    alleged error has thus harmed customers.
    ¶23 The Commission asks us to recognize that the Consumer
    Groups brought this harm upon themselves. It concedes that
    customers are currently paying a surcharge to cover $2.8 million of
    PacifiCorp’s claimed net power costs. But it argues that the
    Consumer Groups stipulated to these costs. And in the
    Commission’s view that stipulation bars the Consumer Groups from
    claiming prejudice.
    ¶24 In 2015, the Consumer Groups reached a settlement
    agreement with PacifiCorp over costs related to the closure of the
    Deer Creek Mine. As part of that settlement, the Consumer Groups
    agreed that the Commission “should enter an order authorizing”
    PacifiCorp to recover certain costs associated with its “unrecovered
    investment in the Deer Creek Mine.” Had the Consumer Groups not
    stipulated to these costs, customers would have received a surcredit
    under PacifiCorp’s 2018 EBA filing. So, the Commission contends,
    the Consumer Groups cannot claim substantial prejudice when,
    setting aside costs to which they agreed, the interim EBA recovery
    would have benefited customers.
    ¶25 We disagree with the notion that the Consumer Groups’
    stipulation negates their claim of substantial prejudice. While the
    Consumer Groups stipulated to PacifiCorp recovering certain costs,
    they did not stipulate to recovery through interim rates.2 And the
    Commission’s approval of interim rates serves as the basis for the
    Consumer Groups’ claim of prejudice. Because customers are being
    forced to pay interim rates, the Consumer Groups assert that
    _____________________________________________________________
    2   See Prinsburg State Bank v. Abundo, 
    2012 UT 94
    , ¶ 13, 
    296 P.3d 709
    (“[A] stipulation entered into by the parties and accepted by the
    court ‘acts as an estoppel upon the parties thereto and is conclusive
    of all matters necessarily included in the stipulation.’” (emphasis added)
    (quoting Yeargin, Inc. v. Auditing Div. of Utah State Tax Comm’n, 
    2001 UT 11
    , ¶ 20, 
    20 P.3d 287
    )).
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                              Opinion of the Court
    customers are losing out on potential interest they could otherwise
    earn in the time between paying the interim rates and the true up at
    the conclusion of the EBA process. This injury is alone sufficient to
    satisfy the Consumer Groups’ burden of demonstrating substantial
    prejudice.
    ¶26 The fact that the Consumer Groups represent customers
    whose individual injuries are relatively small does not undermine
    this conclusion. The Utah Office of Consumer Services (“UOCS”) is a
    government agency specifically tasked with “assess[ing] the impact
    of utility rate changes . . . on: (i) residential consumers; and (ii) small
    commercial consumers.” UTAH CODE § 54-10a-301(1)(a). It is
    authorized to “commence an original proceeding, file a complaint,
    appear as a party, appeal, or otherwise represent residential
    consumers or small commercial consumers in a matter or a
    proceeding involving regulation of an applicable public utility.” 
    Id. § 54-10a-301(2)(b)(i).
    The Utah Association of Energy Users (“UAE”)
    is a non-profit organization that similarly represents the interests of
    customers before the Commission. UTAH ASS’N OF ENERGY USERS,
    About, https://www.utahenergyusers.org/about-1 (last visited June
    11, 2019). Its members include large industrial and commercial
    companies. The harm suffered by the individual customers
    represented by UOCS and UAE is relatively small considering that
    the $2.8 million in interim rates is spread out across PacifiCorp’s
    nearly one million Utah customers. ROCKY MOUNTAIN POWER, Quick
    Facts,      https://www.rockymountainpower.net/about/cf/qf.html
    (last visited June 11, 2019). But UOCS is statutorily authorized to
    represent all residential or small commercial consumers before the
    Commission. UTAH CODE § 54-10a-301(1)(a), (2)(a)–(b). And the
    customers composing UAE are large corporations, each of which
    could satisfy the burden of demonstrating substantial prejudice. See
    Utah Chapter of the Sierra Club, 
    2006 UT 74
    , ¶ 21 (“An association
    . . . has standing if its individual members have standing and the
    participation of the individual members is not necessary to the
    resolution of the case.”). All of this is to say that the Consumer
    Groups have suffered substantial prejudice from the Commission’s
    orders interjecting interim rates into the EBA mechanism. We
    therefore conclude that the Consumer Groups have standing. And
    we accordingly proceed to the merits of their petitions.
    B
    ¶27 The Consumer Groups contend that the Commission
    “erroneously interpreted or applied” Utah law when it interjected an
    interim rate process into the EBA mechanism. See UTAH CODE §
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    UTAH OFFICE OF CONSUMER SERVICES v. PUBLIC SERVICE COMMISSION
    OF UTAH
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    63G-4-403(4)(d). We agree and thus set aside the Commission’s
    orders. We expound on this holding below. First we review and
    reject the Commission’s proffered justifications for its orders. Then
    we explain how the Commission’s orders altered PacifiCorp’s
    burden of proof in violation of Utah Code section 54-7-13.5(2)(e)(ii).
    1
    ¶28 When reviewing an agency action, “the appropriate
    standard of review . . . depend[s] on the type of action in question . . .
    and whether it can be characterized as a question of law, a question
    of fact, or a mixed question of law and fact.” Murray v. Utah Labor
    Comm’n, 
    2013 UT 38
    , ¶ 22, 
    308 P.3d 461
    . Here we are faced with a
    question of law—whether the Commission has the authority to
    impose interim rates as part of the EBA process. And we review such
    questions for correctness, according no deference to the agency’s
    determination. Hughes Gen. Contractors, Inc. v. Utah Labor Comm’n,
    
    2014 UT 3
    , ¶ 6, 
    322 P.3d 712
    .
    ¶29 The Commission cited Utah Code section 54-7-12(4)(a)(ii) as
    the basis for its authority to impose interim rates through the EBA
    mechanism. That subsection states as follows:
    The commission, on its own initiative or in response to
    an application by a public utility or other party, may,
    after a hearing, allow any rate increase or decrease
    proposed by a public utility, or a reasonable part of the
    rate increase or decrease, to take effect on an interim
    basis within 45 days after the day on which the request
    is filed, subject to the commission’s right to order a
    refund or surcharge.
    UTAH CODE § 54-7-12(4)(a)(ii). The Commission acknowledged that
    this provision is surrounded by subsections referring to a general
    rate case and not the EBA mechanism. But it also emphasized that
    subsection (4)(a)(ii) itself makes no explicit reference to a general rate
    case. And on that basis it concluded that the “plain language” of
    “54-7-12(4)(a)(ii) authorizes [it] to establish interim rates in an EBA
    cost-recovery proceeding.”
    ¶30 This is an erroneous reading of the statute. When
    interpreting a statute, our goal is to give effect to the words enacted
    into law by the legislature. See Olsen v. Eagle Mountain City, 
    2011 UT 10
    , ¶ 9, 
    248 P.3d 465
    . We do not, however, read statutory text in
    isolation. Monarrez v. Utah Dep’t of Transp., 
    2016 UT 10
    , ¶ 11, 
    368 P.3d 846
    . We must read it in context, taking into consideration
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                             Opinion of the Court
    surrounding terms and associated provisions. Olsen, 
    2011 UT 10
    ,
    ¶ 12. And when subsection (4)(a)(ii) is read in context it becomes
    obvious that it is meant to apply only to general rate cases.
    ¶31 The provisions surrounding subsection (4)(a)(ii) clearly
    speak to the imposition of interim rates in a general rate case—or, in
    other words, authorizing a new base rate on an interim basis. The
    Commission concedes as much. But it fails to recognize the
    significance of this concession. Once subsection (4)(a)(ii) is read in
    conjunction with subsections (4)(a)(i) and (4)(a)(iii), it becomes clear
    that subsection (4)(a)(ii) authorizes the imposition of interim rates
    only in a general rate case and not in an EBA proceeding.
    ¶32 All of subsection (4)’s provisions are interrelated and speak
    to imposing interim rates in a general rate case. Subsection (4)(a)(i)
    states that “[a] request for interim rates shall be made within 90 days
    after the day on which a public utility files a complete filing for a
    general rate increase or a general rate decrease.” UTAH CODE
    § 54-7-12(4)(a)(i) (emphasis added). And subsection (4)(a)(ii), in turn,
    says that the rate increase or decrease may “take effect on an interim
    basis within 45 days after the day on which the request is filed.” 
    Id. § 54-7-12(4)(a)(ii)
    (emphasis added). “The request” spoken of here
    ties back to “the request” mentioned in subsection (4)(a)(i).
    Subsection (4)(a)(iii) further ties together subsections (4)(a)(i) and
    (4)(a)(ii). It reduces the utility’s burden of proof when an interim
    request is made in a general rate case. It states that “[t]he evidence
    presented in the hearing held pursuant” to the terms of subsection
    (4) “need not encompass all issues that may be considered in a rate
    case hearing held pursuant to [s]ubsection (2)(d)”—the hearing
    required in a general rate case. 
    Id. § 54-7-12(4)(a)(iii).
        ¶33 This language shows that each subpart of subsection (4) is
    interconnected. Importantly, it also highlights that each subpart
    deals with the imposition of interim rates in a general rate case. The
    entirety of section 54-7-12 is dedicated to describing the procedures
    for a general rate case. It would be odd to isolate subsection (4)(a)(ii)
    from all of its surrounding provisions—and to conclude that the
    absence of the words “general rate” in that subsection is an
    indication that the procedures mentioned therein apply outside the
    general rate process (in an EBA proceeding). This we decline to do.
    ¶34 The absence of an express reference to a general rate case in
    subsection (4)(a)(ii) is accordingly inconsequential. Subsection (4) is
    clearly speaking about imposing interim rates in a general rate case.
    And for this reason this provision cannot serve as the source of the
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    UTAH OFFICE OF CONSUMER SERVICES v. PUBLIC SERVICE COMMISSION
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    Commission’s authority to impose interim rates in the EBA
    mechanism.
    ¶35 In reaching a contrary conclusion the Commission also cited
    case law from this court. It noted that in Questar Gas Co. v. Utah
    Public Service Commission, 
    2001 UT 93
    , 
    34 P.3d 218
    , we “recognized
    the [Commission’s] authority to authorize interim rates in the
    Questar Gas 191 balancing account mechanism.” And because
    “PacifiCorp’s EBA is in some ways similar” to that balancing
    account, the Commission concluded that the Questar Gas holding
    supports its decision to impose interim rates.
    ¶36 We disagree. In Questar Gas we were asked to opine on the
    propriety of interim rates in the specific context of the Questar Gas
    191 balancing account. See 
    id. ¶ 12.
    And there may be some
    similarities between that account and PacifiCorp’s EBA. But the
    Questar Gas decision says nothing about the statutory scheme
    implicated here. Our opinion in that case does not speak to whether
    section 54-7-13.5 authorizes the imposition of interim rates in an EBA
    proceeding. That’s because the 191 balancing account was in no way
    tied to section 54-7-13.5—that provision didn’t even exist yet. So the
    191 balancing account was not implemented under section 54-7-13.5;
    it was implemented under the Commission’s “ample general power
    to fix rates and establish accounting procedures.” 
    Id. (quoting Utah
    Dep’t of Bus. Regulation v. Pub. Serv. Comm’n of Utah, 
    720 P.2d 420
    , 423
    n.4 (Utah 1986)) (citing UTAH CODE § 54-4-1).
    ¶37 The Commission latches onto this language from Questar
    Gas. It says that this language—in conjunction with the favorable cite
    to Utah Code section 54-4-1—stands as an acknowledgment that the
    Commission has authority to impose interim rates in any rate
    proceeding. We disagree. The Commission certainly has broad
    authority. But that authority is not so broad as to read statutory EBA
    safeguards out of existence.
    ¶38 Section 54-4-1 confers on the Commission “power and
    jurisdiction to supervise and regulate every public utility in this state
    . . . and to do all things, whether herein specifically designated or in
    addition thereto, which are necessary or convenient in the exercise of
    such power and jurisdiction.” UTAH CODE § 54-4-1. We cited this
    provision in Questar Gas as support for the proposition that the
    Commission has “ample general power to fix rates and establish
    accounting procedures.” Questar Gas, 
    2001 UT 93
    , ¶ 12 (quoting Utah
    Dep’t of Bus. 
    Regulation, 720 P.2d at 423
    n.4). Yet that “ample power”
    is not without limits. Some of those limits are prescribed in the EBA
    12
    Cite as: 
    2019 UT 26
                             Opinion of the Court
    statute. And specific statutes (like the EBA provisions) control more
    general ones (like section 54-4-1). See Lyon v. Burton, 
    2000 UT 19
    ,
    ¶ 17, 
    5 P.3d 616
    . So if the EBA statute prohibits the Commission from
    imposing interim rates in the manner by which it did—as the EBA
    statute does—section 54-4-1 cannot save the Commission’s orders.
    ¶39 The same goes for the Commission’s reliance on section
    54-4-4.1. That section states that “[t]he [C]ommission may, by rule or
    order, adopt any method of rate regulation that is: (a) consistent with
    this title; (b) in the public interest; and (c) just and reasonable.” UTAH
    CODE § 54-4-4.1(1). This section explicitly recognizes limits on the
    Commission’s authority. And one of those limits is that any method
    of rate regulation the Commission adopts must be consistent with
    Title 54. So if Title 54 prohibits the Commission from imposing
    interim rates in the manner by which it did—as Title 54 does—then
    the Commission’s reliance on section 54-4-4.1 is to no avail.
    ¶40 For all these reasons, we reject the Commission’s stated
    justifications for interjecting interim rates into the EBA mechanism.
    Having done so, we proceed to explain how the Commission’s
    orders run afoul of the EBA statute and must thus be set aside.
    2
    ¶41 The Commission is given broad authority to define the
    procedures and timing by which an EBA is annually reconciled. But
    that authority is not so broad as to allow the Commission to alter the
    burden of proof that PacifiCorp must carry before recovering its EBA
    costs. Yet that is exactly what the Commission did here. And we set
    aside the Commission’s orders on this basis.
    ¶42 Section 54-7-13.5 merely provides the framework for
    authorizing an EBA and approving a utility’s annual EBA filing.
    Many of the details are left to the Commission. The statute, for
    instance, does not define the timing for cost recovery. It allows
    PacifiCorp to recover its actual EBA costs through a surcharge. 
    Id. § 54-7-13.5(2)(c)(i).
    And it requires PacifiCorp to “file a reconciliation
    of the energy balancing account with the commission at least
    annually” to recover these costs. 
    Id. § 54-7-13.5(2)(c)(ii).
        ¶43 The statute gives the Commission broad discretion to
    establish a mechanism by which costs are recovered. Section
    54-7-13.5 states that the method by which PacifiCorp recovers its
    EBA costs shall “be incorporated into base rates in an appropriate
    commission proceeding.” 
    Id. § 54-7-13.5(2)(f)(ii)
    (emphasis added). The
    statute never fully defines what constitutes “an appropriate
    commission proceeding.” And in this sense the Commission is given
    13
    UTAH OFFICE OF CONSUMER SERVICES v. PUBLIC SERVICE COMMISSION
    OF UTAH
    Opinion of the Court
    broad discretion to develop the mechanism of recovery. But that
    discretion is not boundless.
    ¶44 Limits are placed on the Commission’s authority to
    authorize PacifiCorp to recover its EBA costs. The most relevant of
    these limits for purposes of these consolidated cases are defined in
    subsection (2)(e): “An energy balancing account may not alter: (i) the
    standard for cost recovery; or (ii) the electrical corporation’s burden
    of proof.” 
    Id. § 54-7-13.5(2)(e).
    In other words, if a chosen EBA
    mechanism alters either the standard for cost recovery or
    PacifiCorp’s burden of proof, the mechanism is improper and the
    Commission has exceeded its statutory authority.
    ¶45 The standard for cost recovery is statutorily defined.
    PacifiCorp may recover its costs only to the extent they are
    “prudently incurred.” 
    Id. § 54-7-13.5(2)(d).
    The Commission
    acknowledges this standard. And we do not believe that it has been
    altered here. In its order reaffirming its decision to interject interim
    rates, the Commission specifically stated that “the EBA statute only
    allows for recovery of ‘[p]rudently incurred actual costs.’” So we
    cannot say that it applied the wrong standard of cost recovery.
    ¶46 The Commission did, however, err in the burden of proof
    that it applied. The statute itself does not specify an applicable
    burden of proof. But we have repeatedly said that a utility has the
    burden to prove that its costs are prudently incurred—or are “just
    and reasonable”—by “substantial evidence.” See Comm. of Consumer
    Servs. v. Pub. Serv. Comm’n of Utah, 
    2003 UT 29
    , ¶ 14, 
    75 P.3d 481
    ;
    Utah Dep’t of Bus. Regulation v. Pub. Serv. Comm’n, 
    614 P.2d 1242
    , 1245
    (Utah 1980). And the Commission concedes that it did not require
    PacifiCorp to carry a “substantial evidence” burden of proof when it
    approved the request to impose interim rates.
    ¶47 The Commission seeks to justify its approach on the ground
    that the applicable burden of proof will eventually be satisfied after a
    complete audit and a final hearing. Under the EBA framework under
    review, the Commission notes that PacifiCorp will eventually be
    required to show by “substantial evidence” that its costs are
    prudently incurred. This will happen at a “true up” after a complete
    audit and public hearing—at which time customers will be allowed
    to recover a surcredit if any costs incorporated in the interim rates
    are shown not to be justified by substantial evidence. See UTAH CODE
    § 54-7-13.5(2)(h)–(j). Fair enough. But that doesn’t solve the problem.
    By law PacifiCorp is allowed to recover its claimed costs through an
    interim rate only after proving by substantial evidence that its costs
    14
    Cite as: 
    2019 UT 26
                            Opinion of the Court
    are prudently incurred. See 
    id. § 54-7-13.5(2)(d),
    (e)(ii); Comm. of
    Consumer Servs., 
    2003 UT 29
    , ¶ 14. And the interim EBA rate process
    authorizes PacifiCorp to impose rates in the absence of such a
    showing.
    ¶48 We reverse on this basis. We conclude that the
    Commission’s orders unlawfully altered the burden of proof that
    PacifiCorp must satisfy before recovering its claimed EBA costs. And
    we accordingly set aside the Commission’s orders interjecting an
    interim rate procedure into the EBA process and authorizing
    PacifiCorp to recover $2.8 million on an interim basis.
    III
    ¶49 In reversing the Public Service Commission and setting aside
    its orders we take no position on a line of policy argument presented
    by the Commission in its briefing. The Commission asserts that the
    interposition of an interim rate procedure into the EBA process
    would better protect consumers in a few ways—by ensuring that
    rates are just and reasonable and decreasing the likelihood that
    either a future generation of customers would be burdened with
    costs incurred to serve customers in a prior year or that a future
    generation of customers would benefit from rate refunds to which
    prior customers were entitled. That may be. Or perhaps the
    Consumer Groups have the better of the argument on these policy
    issues; they, after all, advance a different view. But we leave these
    questions for the legislature. We decide only that the current
    statutory scheme does not condone the interim rate process as it now
    stands. And we leave it to the legislature, if it so chooses, to reopen
    the governing statutes to expressly authorize an interim rate
    procedure as an element of the EBA process.
    15