Nebraska Public Power District v. FERC ( 2020 )


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  •              United States Court of Appeals
    For the Eighth Circuit
    ___________________________
    No. 19-1553
    ___________________________
    Nebraska Public Power District
    lllllllllllllllllllllPetitioner
    v.
    Federal Energy Regulatory Commission
    lllllllllllllllllllllRespondent
    GridLiance High Plains LLC; Southwest Power Pool; Tri-State Generation &
    Transmission Assn.
    lllllllllllllllllllllIntervenors
    ------------------------------
    Edison Electric Institute
    lllllllllllllllllllllAmicus on Behalf of Petitioner
    ____________
    Petition for Review of an Order of the
    Federal Energy Regulatory Commission
    ____________
    Submitted: January 15, 2020
    Filed: April 30, 2020
    ____________
    Before SMITH, Chief Judge, LOKEN and GRUENDER, Circuit Judges.
    ____________
    SMITH, Chief Judge.
    Southwest Power Pool (SPP) is a Regional Transmission Organization (RTO)
    authorized by the Federal Energy Regulatory Commission (FERC) to provide electric
    transmission services across a multi-state region. Under SPP’s license-plate rate
    design,1 SPP is divided into different zones, and customers in each zone pay rates
    based on the cost of transmission facilities in that zone.
    In 2018, FERC approved SPP’s placement of Tri-State Generation &
    Transmission Association (“Tri-State”) into Zone 17. Nebraska Public Power District
    (NPPD), as a member of Zone 17, challenges FERC’s decision, arguing that FERC
    erred in concluding that the proposed placement was just and reasonable.
    Specifically, NPPD alleges that FERC failed to conclude, based on substantial
    evidence, that the benefits that NPPD and other Zone 17 facilities receive from
    Tri-State’s transmission facilities are at least roughly commensurate with the costs
    allocated to Zone 17 as a result of Tri-State’s placement in Zone 17. We deny the
    petition and affirm FERC’s decision.
    I. Background
    A. Statutory and Regulatory Framework
    This case arises out of Section 205 of the Federal Power Act (FPA). Under
    Section 205 of the FPA, “[a]ll rates and charges made, demanded, or received by any
    1
    In a license-plate rate design, transmission service in the RTO is “priced
    according to the power’s destination.” Ala. Mun. Elec. Auth. v. FERC, 
    662 F.3d 571
    ,
    573–74 (D.C. Cir. 2011). Explained another way, every transmission owner in that
    particular area, or zone, is charged the same rate.
    Id. at 574.
    -2-
    public utility for or in connection with the transmission or sale of electric energy
    subject to the jurisdiction of [FERC], . . . shall be just and reasonable.” 16 U.S.C.
    § 824d(a). “Section 205(d) provides that unless [FERC] otherwise orders, ‘no change
    shall be made by any public utility in any such rate, charge, classification, or service,
    or in any rule, regulation, or contract relating thereto, except after sixty days’ notice
    to [FERC] and to the public.’” Xcel Energy Servs. Inc. v. FERC, 
    815 F.3d 947
    , 949
    (D.C. Cir. 2016) (quoting
    id. § 824d(d)).
    To eliminate free market barriers in wholesale electricity and to reduce
    technical inefficiency, FERC promulgated regulations to encourage transmission
    providers to establish RTOs. See Morgan Stanley Capital Grp. v. Pub. Util. Dist. No.
    1 of Snohomish Cty., 
    554 U.S. 527
    , 536–37 (2008); see also Order No. 2000, 65 Fed.
    Reg. 810, 810–12 (Jan. 6, 2000) (codified at 18 C.F.R. § 35.34). RTOs are entities,
    independent of any market participant, that exercise operational control over
    transmission facilities owned by the RTO’s members. Morgan 
    Stanley, 554 U.S. at 536
    . To that end, FERC encouraged Independent System Operators (ISOs), “not-for-
    profit entities that operate transmission facilities in a nondiscriminatory manner,” to
    manage the RTOs.
    Id. at 536–37.
    In 2004, FERC authorized SPP to form a RTO to provide electric transmission
    services across a multi-state region using the transmission facilities of 15 different
    utilities placed in 15 different zones. Under SPP’s license-plate (or zonal) rate design,
    customers located in each zone pay rates based on the cost of the transmission
    facilities located in that zone. Since 2004, SPP has expanded its geographical
    footprint by establishing new rate zones for larger transmission providers and by
    placing smaller transmission providers into existing zones. When a new transmission
    owner (TO) joins SPP and is placed into an existing zone, the cost of that new TO’s
    transmission facilities is added to the rates charged by SPP for transmission in that
    zone. Therefore, adding a new TO affects the rate for existing customers in that zone.
    -3-
    B. Existing Relationship of NPPD and Tri-State
    Tri-State’s and NPPD’s history as electric transmission providers informs Tri-
    State’s placement into Zone 17. NPPD and Tri-State have a relationship that dates
    back decades before Tri-State joined Zone 17. In 1975, NPPD and Tri-State entered
    into a Memorandum of Agreement to establish principles for the joint operation and
    planning of their transmission facilities in Nebraska. Later, on June 8, 1984, the two
    transmission providers entered into the Western Nebraska Joint Transmission
    Agreement (“Agreement”) to “establish a joint transmission system for the Parties’
    mutual benefit and joint use.” Pet’r’s App. at 62.
    The Agreement explained that “portions of Tri-State’s electric power
    transmission facilities in Western Nebraska are interconnected with NPPD’s electric
    power transmission system and are operated in synchronism with it.”
    Id. at 61.
    Further, the Agreement provided that the facilities should use the Single-Entity
    Concept, which meant that the providers should operate the systems as if they were
    owned by one provider. And, the Agreement gave NPPD and Tri-State the right to use
    each other’s transmission systems to serve their own customers.
    The Agreement also had a Costs and Benefits section, which provided that
    “[e]ach Party shall receive benefits commensurate with its actual costs. Such benefits
    shall be in the form of transmission use of [the Agreement] and in the form of Annual
    Equalization Payments from one Party to the other.”
    Id. at 66.
    The Annual
    Equalization Payment covered interest, an estimated amount for operations and
    maintenance expense, and administrative and general costs. The Agreement measured
    the providers’ use of the transmission facilities under the annual coincident peak
    method, which measured each provider’s use at the time the combined use of the
    facilities was at its peak for the entire year. Under this method, Tri-State paid NPPD
    an average of $1 million each year.
    -4-
    However, the payments could vary depending upon the peak method employed.
    For example, using a month coincident peak method, Tri-State averages 41 percent
    of the use of the facilities and NPPD averages 59 percent. This would result in a
    benefit of $550,000 a year to NPPD. SPP uses the month coincident peak method to
    establish transmission rates.
    After over 40 years of joint use, the transmission facilities of Tri-State and
    NPPD are now highly integrated. They share at least five points of interconnection.
    And, NPPD would lack a transmission path to some of its customers if it could not
    use Tri-State’s facilities. NPPD thus relies on its ability to use Tri-State’s facilities
    to serve its customers.
    C. Placement of Tri-State into Zone 17
    In 2009, NPPD joined SPP, placing Tri-State’s and NPPD’s jointly operated
    facilities under the functional control of SPP in Zone 17. Around this time, three other
    entities (Western Area Power Administration–Upper Great Plains Region, Basin
    Electric Power Cooperative, and Heartland Consumers Power District) also joined
    SPP. The expansion, in effect, surrounded Tri-State’s facilities with facilities
    controlled by SPP. In addition to the geographical convenience, Tri-State also saw
    how joining SPP could potentially lower costs to its customers and enable it to
    terminate the Agreement with NPPD.
    Tri-State then decided to join SPP. On October 30, 2015, SPP revised its Open
    Access Transmission Tariff2 to incorporate Tri-State’s formula rate and make other
    modifications to accommodate Tri-State as a TO under the SPP Tariff. In the filing,
    2
    FERC “governs the rates, terms and conditions of SPP through its Open
    Access Transmission Tariff” and any changes in the Open Access Transmission Tariff
    “must be approved/accepted by FERC before SPP can operate under the requested
    changes.” Governance, SPP.org, https://www.spp.org/governance/ (last visited Apr.
    24, 2020).
    -5-
    SPP proposed to place Tri-State’s transmission facilities and the associated Annual
    Transmission Revenue Requirement (ATRR)3 into Zone 17. Given Tri-State’s history
    with NPPD, it was no surprise that NPPD was the dominant TO in Zone 17.
    SPP followed its established criteria for determining zonal placement. These
    criteria include:
    (1) whether the new TO’s ATRR is less than the ATRR of an existing
    pricing zone with the smallest ATRR; (2) the extent to which a new
    TO’s facilities are embedded within a pre-existing zone; (3) the extent
    to which a new TO’s facilities are integrated with (including number of
    interconnections) an existing TO’s facilities; and, (4) the extent to which
    the new TO’s facilities substantively increase the SPP footprint.
    Sw. Power Pool, Inc., 158 FERC ¶ 63,004, at P 74 (2017) (Initial Decision). As
    applied to Tri-State, SPP explained that:
    (1) Tri-State’s ATRR is less than the smallest ATRR of an existing SPP
    TO in a single owner zone; (2) Tri-State has more direct
    interconnections with the NPPD system than with any other SPP TO,
    and thus is more integrated with NPPD than any other SPP TO; (3)
    NPPD and Tri-State have over a 40-year history of coordination
    regarding the planning and operation of their two systems, due to
    long-standing contractual relationships; and, (4) the inclusion of the
    Tri-State facilities only minimally increases the size and scope of the
    SPP footprint.
    Id. at P
    75. After SPP filed its proposal to place Tri-State in Zone 17 with FERC,
    NPPD protested the filing. In December 2015, FERC accepted the filing and set a
    hearing on the issue of whether SPP’s proposal was just and reasonable.
    3
    The ATRR is the amount of revenue a transmission owner must recover
    annually to cover the costs associated with its transmission facilities.
    -6-
    D. Cost Impact Testimony
    In its opposition, NPPD emphasized the cost impact of adding Tri-State to
    Zone 17. NPPD asserted that a cost shift occurs when a portion of a new TO’s ATRR
    associated with its transmission facilities is not paid by that new TO’s own load.
    NPPD calculated that Tri-State’s ATRR would be $7.2 million and explained that the
    ATRR was 11.2 percent of the combined total ATRR in Zone 17 but that Tri-State’s
    load was only 4.4 percent of the total load. Therefore, NPPD concluded that adding
    this ATRR to Zone 17 would increase the annual per megawatt (MW) cost of serving
    the Zone 17 load by 8 percent. Further, NPPD stated, that by joining Zone 17,
    Tri-State would reduce its responsibility for paying its own costs by 60 percent by
    shifting $4.3 million of its $7.2 million ATRR to other Zone 17 customers.
    Tri-State disputed NPPD’s calculations. Specifically, Tri-State testified that
    instead of NPPD’s calculated $4.3 million cost shift, the actual cost shift to NPPD
    would be between $1.2 million to $2 million per year. Tri-State adjusted NPPD’s
    estimate to (1) exclude revenue associated with the Agreement, (2) add costs that
    NPPD would incur if Tri-State were in another zone, and (3) adjust based on
    measurable future changes. First, Tri-State noted that its termination of the
    Agreement will decrease its ATRR by $1 million when the Agreement ends in 2020.
    Second, the relationship between the two is not reciprocal. Tri-State explained that
    while 21.5 MW of NPPD’s load is connected to Tri-State’s facilities, only 8.2 MW
    of Tri-State’s load is connected to NPPD’s facilities. If Tri-State were not in Zone 17,
    Tri-State estimated that NPPD would have to pay around $1.2 million in a zone other
    than Zone 17. In contrast, if Tri-State remained in Zone 17, NPPD would benefit
    about $200,000. Third, SPP’s data showed that Tri-State would pay future regional
    costs of around $700,000 that would otherwise fall onto NPPD. In total, Tri-State
    estimated a 1.8 percent increase in cost shift to NPPD.
    NPPD responded to Tri-State’s calculation by stating that the cost shift should
    be based on the effective date of Tri-State’s membership in SPP and not account for
    -7-
    future elements. Further, NPPD contended that cost impacts that would occur if
    Tri-State were in another zone should not be taken into account. Finally, NPPD stated
    that Tri-State would be a better fit in Zone 19 because there would only be a .2
    percent increase in cost shift in Zone 19.
    E. FERC Proceedings
    Following the hearing, the administrative law judge (ALJ) determined that
    SPP’s proposal to place Tri-State into Zone 17 was just and reasonable. In a 140-page
    opinion, the ALJ discussed, in considerable detail, the parties’ testimonies and SPP’s
    four zonal placement criteria. The ALJ placed great emphasis on the 40-year history
    of NPPD and Tri-State, discussed the integration of the two entities’s facilities,
    pointed out that neither had a physical path to its loads without using the transmission
    facilities of the other, and pointed out that the two used a Single-Entity Concept.
    Concerning the cost shift, the ALJ first noted that NPPD did not argue that
    SPP’s current license-plate rate structure was inappropriate and that FERC had
    already approved nine multi-TO zones in SPP despite cost shifts. In addition, the ALJ
    pointed out that the narrow issue of zonal placement in the present case differed from
    RTO-wide rate design. The ALJ then discussed how the integrated nature of Tri-State
    and NPPD lessened cost-causation concerns because Zone 17 benefitted and would
    continue to benefit from Tri-State’s facilities in Zone 17. The ALJ also determined
    that year-to-year adjustments affected cost-causation principles. The ALJ concluded:
    Based on the findings that the cost shift at issue here is not per se unjust
    and unreasonable, does not violate cost causation principles, and its
    impact on Zone 17 customers will be reduced over the next five to seven
    years, I find that the cost shift at issue here does not render Tri-State’s
    proposed placement into Zone 17 unjust and unreasonable.
    Sw. Power Pool, 158 FERC ¶ 63,004, at P 360. Finally, the ALJ rejected NPPD’s
    proposal to place Tri-State into Zone 19 because the interconnections in Zone 17
    -8-
    outweighed the interconnections in Zone 19 and there was no evidence to suggest that
    Tri-State could reliably serve its load without causing a cost shift in Zone 19.
    On March 26, 2017, NPPD filed exceptions to the ALJ’s decision, arguing that
    SPP’s proposed placement of Tri-State’s facilities into Zone 17 was unjust and
    unreasonable. However, in an 108-page opinion, FERC agreed with the ALJ. When
    considering SPP’s criteria, FERC explained that Tri-State’s geographical scope filled
    in gaps instead of expanding SPP’s footprint, noted the substantial evidence of
    Tri-State’s integration with existing Zone 17 facilities, and pointed out that NPPD
    and Tri-State treated their systems as a joint system owned by a single entity.
    Considering the cost shift, FERC explained that the Agreement showed both
    parties would benefit from the joint use of the facilities and access to each other’s
    facilities. Further, FERC rejected NPPD’s argument that Tri-State was the beneficiary
    of the Agreement because a different methodology calculated NPPD being the net
    beneficiary. And, FERC stated that NPPD acknowledged that it benefitted from the
    joint system. Finally, FERC considered the Seventh Circuit’s case of Illinois
    Commerce Commission v. FERC and concluded that the record provided “‘an
    articulable and plausible reason to believe that the benefits are at least roughly
    commensurate’ with the costs that are being allocated to Zone 17 customers.” Sw.
    Power Pool Inc., 163 FERC ¶ 61,109, at P 207 (May 17, 2018) (quoting Illinois
    Commerce Comm’n v. FERC (Illinois Commerce I), 
    576 F.3d 470
    , 477 (7th Cir.
    2009)). FERC further stated:
    Although there may not be a specific quantification of the benefits that
    NPPD received and will continue to receive from the Tri-State
    transmission facilities, this is unsurprising because the entities treated
    their transmission facilities under the . . . Agreement as if they were a
    single system owned by a single entity. The . . . Agreement detailed the
    benefits that the parties would realize, and the parties continued that
    -9-
    agreement for over 30 years, indicating that they were in fact benefitting
    from the agreement.
    Id. FERC then
    rejected NPPD’s arguments that Tri-State was more connected with
    Zone 19. It stated that the record showed that Tri-State’s placement in Zone 17 was
    just and reasonable, and FERC did not need to consider arguments about alternative
    placements. Therefore, FERC affirmed the ALJ’s decision.
    On June 15, 2018, NPPD filed a request for rehearing, but FERC denied the
    request. Specifically, FERC noted that it continued to find “that the benefits that
    NPPD and its customers receive from Tri-State’s transmission facilities are at least
    roughly commensurate with the costs allocated to NPPD as a result of the placement
    of those facilities in Zone 17.” Sw. Power Pool, Inc., 166 FERC ¶ 61,019, at P 21
    (Jan. 17, 2019). FERC further emphasized that cost allocation is not an exact science
    and requires fact-intensive judgments to assure that rates reflect the costs caused by
    customers.
    Id. at P
    22 (citing Colo. Interstate Gas Co. v. FPC, 
    324 U.S. 581
    , 589
    (1945); Midwest ISO Transmission Owners v. FERC, 
    373 F.3d 1361
    , 1369 (D.C. Cir.
    2004)).
    Finally, FERC rejected NPPD’s argument that Tri-State should have been
    placed in Zone 19. FERC further stated that because its role is to decide whether a
    proposal is just and reasonable, it is not required to determine whether other
    alternatives might be superior. NPPD seeks review of FERC’s decision.
    II. Discussion
    Section 205’s requirement that rates be just and reasonable does not have a
    “precise judicial definition, and we afford great deference to [FERC] in its rate
    decisions.” Morgan 
    Stanley, 554 U.S. at 532
    . We review FERC’s decision under an
    arbitrary and capricious standard. FERC v. Elec. Power Supply Ass’n, 
    136 S. Ct. 760
    ,
    782 (2016). “[W]e are required to accept as conclusive the ‘findings of [FERC] as to
    -10-
    facts, if supported by substantial evidence.’” Minnesota v. FERC, 
    734 F.2d 1286
    ,
    1288 (8th Cir. 1984) (quoting 16 U.S.C. § 825l(b)). In addition, we must uphold the
    decision “if the agency has examined the relevant considerations and articulated a
    satisfactory explanation for its action, including a rational connection between the
    facts found and the choice made.” Elec. 
    Power, 136 S. Ct. at 782
    (cleaned up).
    NPPD argues that substantial evidence does not support FERC’s finding that
    Tri-State’s placement into Zone 17 was just and reasonable. Specifically, NPPD
    argues (1) that FERC’s order approving Tri-State’s placement in Zone 17 does not
    comport with cost-causation principles and (2) that FERC erred by refusing to
    consider placement in Zone 19 as an alternative to placement in Zone 17.
    A. Cost-Causation Principles
    At base, the FPA requires that rates be just and reasonable. 16 U.S.C.
    § 824d(a). But, beyond that, “FERC and the courts have added flesh to these bare
    statutory bones, establishing what has become known in Commission parlance as the
    ‘cost-causation’ principle.” K N Energy, Inc. v. FERC, 
    968 F.2d 1295
    , 1300 (D.C.
    Cir. 1992). FERC acknowledges that it must have “an articulable and plausible reason
    to believe that the benefits” of placing Tri-State in Zone 17 “are at least roughly
    commensurate with” the costs allocated to NPPD and its customers. Illinois
    Commerce 
    I, 576 F.3d at 477
    . Consequently, courts must “evaluate compliance with
    this unremarkable principle by comparing the costs assessed against a party to the
    burdens imposed or benefits drawn by that party.” Midwest 
    ISO, 373 F.3d at 1368
    .
    But, that does not mean that FERC must “allocate costs with exacting precision.”
    Id. at 1369.
    Further, we should not grant NPPD’s petition unless we find that the cost-
    allocation determination of FERC is arbitrary and capricious “in light of the burdens
    imposed or benefits received.”
    Id. NPPD argues
    that FERC acted arbitrarily and capriciously because its decision
    ignores the large imbalance between the minimal benefits and major costs of placing
    -11-
    Tri-State into Zone 17. In support of its argument, NPPD mainly focuses on the
    Seventh Circuit’s decisions in Illinois Commerce I; Illinois Commerce Commission
    v. FERC (Illinois Commerce II), 
    756 F.3d 556
    (7th Cir. 2014); and Illinois Commerce
    Commission v. FERC (Illinois Commerce III), 
    721 F.3d 764
    (7th Cir. 2013).
    In Illinois Commerce I, PJM Interconnection, a RTO, proposed to change the
    pricing method for new transmission facilities with a capacity of 500 kilovolts (kV)
    from being calculated on the basis of the benefits each utility received from the new
    facilities to a pro rata contribution between all transmission facilities no matter the
    
    benefits. 576 F.3d at 474
    . The new pricing method created a large disparity between
    the eastern and western regions of the RTO.
    Id. at 475.
    Although the eastern facilities
    often used 500 kV facilities, the western facilities almost never did and there was no
    plan to build any in the foreseeable future.
    Id. Because of
    this, the new pricing
    method would require western facilities to contribute an estimated $480 million to the
    cost of facilities that they would not have paid any money for under the original
    pricing method.
    Id. at 474–76.
    FERC authorized the pricing method, but the Seventh
    Circuit remanded for further proceedings, explaining that “FERC is not authorized
    to approve a pricing scheme that requires a group of utilities to pay for facilities from
    which its members derive no benefits, or benefits that are trivial in relation to the
    costs sought to be shifted to its members.”
    Id. at 476–78.
    FERC only listed benefits
    such as avoiding litigation and benefitting the network as a whole, but “a claim of
    generalized system benefits is not enough.”
    Id. at 475–76
    (internal quotation omitted).
    In Illinois Commerce II, the Seventh Circuit again considered the same pricing
    method after FERC re-approved the pro rata cost allocation without any attempt at
    empirical 
    justification. 756 F.3d at 561
    . Because of this, the Seventh Circuit
    remanded to FERC.
    Id. at 565.
    It explained that FERC “assumes—it does not
    demonstrate—that the benefits of the eastern 500–kV lines are proportionate to the
    total electric-power output of each utility, no matter how remote the utility is from the
    eastern projects that the utility is to be made to contribute to the costs of.”
    Id. at 561.
    -12-
    The Seventh Circuit directed FERC to attempt to quantify the benefits because “the
    lines at issue [we]re all located in PJM’s eastern region, primarily benefit[ted] that
    region, and should not [have] be[en] allowed to shift a grossly disproportionate share
    of their costs to western utilities on which the eastern projects will confer only future,
    speculative, and limited benefits.”
    Id. at 565.
    We first note that the scenario in Illinois Commerce I and Illinois II differs
    substantially from this case. That case involved an RTO-wide rate change. Here, we
    address only the narrow issue of whether Tri-State’s placement in one particular zone
    was reasonable with respect to those already in that zone. There, the rate change
    involved a change for every transmission provider member in the RTO, no matter the
    location. Illinois Commerce 
    I, 576 F.3d at 474
    . In contrast, the present case revolves
    around SPP’s placement of Tri-State into a specific zone with NPPD. Because of the
    very nature of zones, NPPD will receive more benefits from being in close proximity
    to Tri-State than the western facilities of Illinois Commerce I would have received
    from distant facilities.
    Despite those differences, FERC’s decision satisfies the cost-causation
    principles set out in Illinois Commerce I. To satisfy cost-causation principles, there
    must be “an articulable and plausible reason to believe that the benefits are at least
    roughly commensurate with” the costs of placing Tri-State into Zone 17.
    Id. at 477.
    Further, FERC should examine “how much use or how much benefit” NPPD would
    get from Tri-State’s placement in Zone 17. Illinois Commerce 
    II, 756 F.3d at 562
    .
    NPPD emphasizes that neither FERC nor Tri-State attempted to numerically
    quantify the benefits of placing Tri-State into Zone 17. However, Illinois Commerce I
    does not support the proposition that FERC must articulate a precise numerical value
    of benefits. The Seventh Circuit did “not suggest that [FERC] has to calculate
    benefits to the last penny, or for that matter to the last million or ten million or
    perhaps hundred million 
    dollars.” 576 F.3d at 477
    . Rather, FERC must articulate
    -13-
    more benefits than the “no benefits” or trivial benefits in Illinois Commerce I. See
    id. at 476–77.
    FERC expressed several benefits of placing Tri-State into Zone 17 with NPPD.
    Given the 40-year history between NPPD and Tri-State, it is unsurprising that the two
    are extremely connected. Taking into account SPP’s criteria, FERC continually
    articulated the benefits to NPPD of placing Tri-State in Zone 17: NPPD and
    Tri-State’s facilities were already integrated, NPPD used Tri-State’s facilities to serve
    its customers, the two entered into an Agreement to operate as a single entity, and
    both could not reach their customers without using the other’s facilities. Further, the
    Agreement between Tri-State and NPPD called for mutual benefit and joint use.
    To be sure, the benefits cannot be calculated with precision. NPPD and
    Tri-State disagree about the costs of placing Tri-State into Zone 17. NPPD estimates
    an immediate shift of $4.3 million and $3.5 million in the future. In contrast, Tri-State
    reduces the cost to around $2 million given the cancellation of the Agreement, costs
    NPPD would incur if Tri-State were in another zone, and future measurable changes.
    But, it is certain that “[t]o the extent that a utility benefits from the costs of new
    facilities, it may be said to have ‘caused’ a part of those costs to be incurred.”
    Id. at 476.
    Because NPPD has greatly benefitted from Tri-State’s facilities, it is likely that
    some of the costs have been caused by NPPD.
    Given these disputed costs and benefits, this case more closely resembles
    Illinois Commerce III. There, Midwest Independent Transmission System Operator,
    Inc. (MISO), a TRO, sought approval to impose a tariff on its members to fund
    construction of new power lines for electricity generated by wind farms. Illinois
    Commerce 
    III, 721 F.3d at 771
    . MISO explained that, as a whole system, the RTO
    might benefit several hundred million dollars from the switch to wind energy, but it
    was impossible to allocate the savings to each member of MISO.
    Id. at 774.
    The
    -14-
    Seventh Circuit noted that although some benefits could not be calculated in advance,
    there was no doubt that there would be real benefits to the members.
    Id. at 775.
    As the Seventh Circuit stated, FERC’s attempt to match costs and benefits
    might have been crude, but “if crude is all that is possible, it will have to suffice.”
    Id. Similar to
    Illinois Commerce III, FERC could not calculate all of the benefits because
    of the difficulty in assigning value to benefits such as interconnections and the ability
    to service customers. But, FERC gave “articulable and plausible reason[s] to believe
    that the benefits are at least roughly commensurate with” the costs.
    Id. (quoting Illinois
    Commerce 
    I, 576 F.3d at 477
    ).
    In an effort to account for the listed benefits, NPPD argues that the Agreement
    already accounted for all of the benefits between NPPD and Tri-State. Specifically,
    NPPD argues that the Annual Equalization Payment in the Agreement reveals that
    Tri-State is the net beneficiary of the Agreement in the amount of $1 million. In
    addition, NPPD acknowledges that under a month coincident peak method, it benefits
    $550,000 per year. However, NPPD argues that this still shows that the benefits are
    not “roughly commensurate” to the costs. NPPD attempts to expand the Annual
    Equalization Payment to include all benefits, but this overstates the purposes of the
    payment. The Agreement states that benefits consist of joint transmission use in
    addition to the Annual Equalization Payment. The equalization payment is money.
    The joint transmission use is a valuable but non-monetary benefit. The Agreement
    does not attempt to quantify the benefits from joint use. Instead, one party to the
    Agreement pays the other if the party’s usage of the facilities exceeds its share of the
    expenses. This is so because “the benefits each Party receives from using [the
    Agreement] will not equal its costs to own, operate, and maintain its facilities.”
    Pet’r’s App. at 67.
    Further, NPPD’s argument that the Agreement shows it is a negative
    beneficiary fails because NPPD benefits from the joint use and operation established
    -15-
    in the Agreement. For example, in Midwest ISO, MISO owners challenged a cost
    adder expense to recover administrative costs for running the ISO, stating that they
    would pay 60 to 70 percent of the costs for only 5 percent of the 
    benefits. 373 F.3d at 1370
    . However, the D.C. Circuit explained that the low benefit number resulted
    from the “intertwined” nature of the expenses “and the corresponding difficulty of
    unbundling them.”
    Id. at 1371.
    The court compared MISO to the federal court system
    and the MISO owners’ complaint to taxpayers complaining about having to pay to
    fund the court system.
    Id. In particular,
    it was similar to taxpayers arguing “that if
    they are not a litigant, they should not be made to pay for any of the costs of having
    a court system.”
    Id. Similarly, because
    MISO owners obviously received benefits for
    participating in the ISO, “FERC correctly determined that they should share the cost
    of having an ISO.”
    Id. As this
    example shows, it is disingenuous for NPPD to argue that it gains no
    benefits nor incurs any costs from its relationship with Tri-State when it has chosen
    to maintain a relationship with Tri-State for over 40 years. As it did in Midwest ISO,
    FERC, in this case, correctly determined that the costs associated with the benefits
    were comparable given the relationship between the two parties and the intertwined
    nature of NPPD and Tri-State’s facilities. Even if there is a net increase in costs, such
    costs “can be ‘just and reasonable’ if the costs are warranted.” Advanced Energy
    Mgmt. All. v. FERC, 
    860 F.3d 656
    , 662 (D.C. Cir. 2017) (per curiam) (quoting
    16 U.S.C. § 824d(e)). When FERC explains “important non-cost reasons” for
    approving a proposal, “[i]t does not have to find net savings.”
    Id. Because FERC
    stated plausible and articulable reasons for why the costs and benefits were
    comparable in this case, we cannot say that its cost-causation analysis was arbitrary
    and capricious.
    B. Placement in Zone 19
    NPPD argues that FERC acted in an arbitrary and capricious manner because
    it did not consider the effects of placing Tri-State in Zone 19. Specifically, NPPD
    -16-
    argues that had FERC considered Zone 19, it would have seen that Tri-State’s
    placement in Zone 19 would have resulted in minimal cost shift.
    However, FERC did not err by failing to consider evidence of Zone 19. “FERC
    has interpreted its authority to review rates under [Section 205] as limited to an
    inquiry into whether the rates proposed by a utility are reasonable—and not to extend
    to determining whether a proposed rate schedule is more or less reasonable than
    alternative rate designs.” Cities of Bethany v. FERC, 
    727 F.2d 1131
    , 1136 (D.C. Cir.
    1984). In Cities of Bethany, the D.C. Circuit explained that the standard in rate
    decisions is “not whether [one] method is more appropriate than [another] method,
    but rather whether the [proposed] method is reasonable and adequate.”
    Id. (internal quotation
    omitted). In addition, courts have made it clear that FERC “restricts itself
    to evaluating the confined proposal.” Advanced 
    Energy, 860 F.3d at 662
    . Therefore,
    FERC “need only find the proposed rates to be just and reasonable.” City of Winnfield
    v. FERC, 
    744 F.2d 871
    , 875 (D.C. Cir. 1984) (Scalia, J.).
    The law does not require FERC to consider NPPD’s alternative suggestion of
    Tri-State’s placement in Zone 19 because its role was simply to decide whether SPP’s
    proposed placement of Tri-State was just and reasonable. Here, FERC “examine[d]
    the relevant [considerations] and articulate[d] a satisfactory explanation for its action
    including a ‘rational connection between the facts found and the choice made.’”
    Motor Vehicle Mfrs. Ass’n of U.S. v. State Farm Mut. Auto. Ins., 
    463 U.S. 29
    , 43
    (1983) (quoting Burlington Truck Lines, Inc. v. United States, 
    371 U.S. 156
    , 168
    (1962)). Therefore, FERC did not act arbitrarily and capriciously in deciding that Tri-
    State’s placement into Zone 17 was just and reasonable.4
    4
    NPPD also argues that FERC erred because it ignored SPP’s new criterion
    established after FERC’s decision: the nature of transmission service used to serve
    the load of a new TO prior to its expected date of transfer to SPP. NPPD states that
    this would have shown that Tri-State belonged in Zone 19. However, as explained in
    this section, FERC did not have to consider NPPD’s alternative evidence of the
    benefits of placing Tri-State into Zone 19. See Advanced 
    Energy, 860 F.3d at 662
    .
    -17-
    III. Conclusion
    Accordingly, we deny NPPD’s petition for review.
    ______________________________
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