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No. 10631678
United States Court of Appeals for the Ninth Circuit
Pacific Gas & Electric Company v. Federal Energy Regulatory Commission
No. 10631678 · Decided July 11, 2025
No. 10631678·Ninth Circuit · 2025·
FlawFinder last updated this page Apr. 2, 2026
Case Details
Court
United States Court of Appeals for the Ninth Circuit
Decided
July 11, 2025
Citation
No. 10631678
Disposition
See opinion text.
Full Opinion
NOT FOR PUBLICATION FILED
UNITED STATES COURT OF APPEALS JUL 11 2025
MOLLY C. DWYER, CLERK
U.S. COURT OF APPEALS
FOR THE NINTH CIRCUIT
PACIFIC GAS & ELECTRIC COMPANY; No. 24-2527
SOUTHERN CALIFORNIA EDISON Agency No. ER24-96-000
COMPANY; SAN DIEGO GAS & Federal Energy Regulatory
ELECTRIC COMPANY, Commission
Petitioners, MEMORANDUM*
v.
FEDERAL ENERGY REGULATORY
COMMISSION,
Respondent,
----------------------------------------
CALIFORNIA DEPARTMENT OF
WATER RESOURCES STATE WATER
PROJECT; CALIFORNIA PUBLIC
UTILITIES COMMISSION; CITY OF
ANAHEIM; CITY OF AZUSA; CITY OF
BANNING; CITY OF COLTON; CITY OF
PASADENA; CITY OF RIVERSIDE;
NORTHERN CALIFORNIA POWER
AGENCY,
Intervenors.
*
This disposition is not appropriate for publication and is not precedent
except as provided by Ninth Circuit Rule 36-3.
PACIFIC GAS & ELECTRIC COMPANY; No. 24-3786
SOUTHERN CALIFORNIA EDISON
COMPANY; SAN DIEGO GAS & Agency No. ER24-96-002
ELECTRIC COMPANY, Federal Energy Regulatory
Commission
Petitioners,
v.
FEDERAL ENERGY REGULATORY
COMMISSION,
Respondent,
----------------------------------------
CALIFORNIA PUBLIC UTILITIES
COMMISSION; CITY OF ANAHEIM;
CITY OF AZUSA; CITY OF BANNING;
CITY OF COLTON; CITY OF
PASADENA,
Intervenors.
On Petition for Review of an Order of the
Federal Energy Regulatory Commission
Argued and submitted June 4, 2025
San Francisco, California
Before: CALLAHAN, BADE, and KOH, Circuit Judges.
Pacific Gas and Electric Company (PG&E), Southern California Edison
Company, and San Diego Gas and Electric Company (collectively, the Utilities)
petition for review of an order from the Federal Energy Regulatory Commission
(FERC) denying PG&E’s request for rate incentives—known as an “adder”—
2 24-2527
based on its membership in the California Independent System Operator
Corporation (CAISO). We have jurisdiction under 16 U.S.C. § 825l(b), and we
affirm.
“We review a decision by FERC to determine whether its action was
‘arbitrary, capricious, an abuse of discretion, or otherwise not in accordance with
law.’” Cal. Pub. Utils. Comm’n v. FERC (CPUC I), 879 F.3d 966, 973 (9th Cir.
2018) (quoting 5 U.S.C. § 706(2)). We “must uphold a 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.’” Id. (quoting FERC v. Elec. Power Supply Ass’n, 577 U.S. 260, 292
(2016)).
1. The Utilities challenge FERC’s determination that California Public
Utilities Code Section 362(c) renders their membership in CAISO “involuntary”
such that they are no longer entitled to adder under Section 219(c) of the Federal
Power Act (FPA), 16 U.S.C. § 824s(c), and Promoting Transmission Investment
Through Pricing Reform, Order No. 679, 116 FERC ¶ 61,057 (2006) [hereinafter
Order 679]. Order 679 provides that FERC “will approve, when justified, requests
for [adder] for public utilities that join and/or continue to be a member of” a
regional transmission organization (RTO) or independent system operator (ISO).
Order 679 ¶ 326.
3 24-2527
In its initial order denying PG&E’s request for a Section 219(c) incentive,
FERC found that PG&E’s membership in CAISO is not voluntary because “PG&E
is required to participate in CAISO and cannot unilaterally withdraw.” On
rehearing, FERC determined that California law does not permit the Utilities to end
their participation even “with [the] approval of” the California Public Utilities
Commission (CPUC). We review de novo FERC’s interpretation of California
law. Cal. Pub. Utils. Comm’n v. FERC (CPUC II), 29 F.4th 454, 466 (9th Cir.
2022). Because the California Supreme Court has not decided whether CPUC has
the authority under state law to approve such a withdrawal, we must predict “how
the California Supreme Court ‘would decide the issue using intermediate appellate
court decisions, decisions from other jurisdictions, statutes, treatises, and
restatements as guidance.’” Id. (quoting Vestar Dev. II, LLC v. Gen. Dynamics
Corp., 249 F.3d 958, 960 (9th Cir. 2001)).
FERC did not err by concluding that PG&E’s participation in CAISO is
involuntary for purposes of the Section 219(c) adder. In CPUC II, we rejected
CPUC’s position that California Public Utilities Code Section 851 requires CPUC
to approve a utility’s withdrawal from CAISO, reasoning that “transfers of
operational control” did not fall within the language of Section 851.1 See id. at
1
As relevant here, Section 851 requires that a public utility obtain CPUC’s
approval to “sell, lease, assign, mortgage, or otherwise dispose of” its property.
Cal. Pub. Utils. Code § 851(a).
4 24-2527
466–67. Shortly after CPUC II, California enacted Assembly Bill 209, which
amended California Public Utilities Code Section 362. See Assemb. Bill 209,
Stats. 2022, Ch. 251 (Cal. 2021–2022 Reg. Session) [hereinafter AB 209]. AB
209’s preamble rejects our conclusion in CPUC II. See AB 209 § 1(a) (clarifying
that “[t]he transfer of control of an electrical corporation’s property is generally
prohibited without prior approval by [CPUC] pursuant to Section 851”).
As amended, California Public Utilities Code Section 362(c) provides that,
“[c]onsistent with Section 851 and [CPUC’s] regulation of transfers of operational
control of electrical corporation facilities,” the Utilities “shall participate” in
CAISO.2 “‘Shall’ indicates mandatory action.” Fejes v. FAA, 98 F.4th 1156, 1161
(9th Cir. 2024). In light of this mandate, at oral argument, CPUC disclaimed any
authority to authorize the Utilities’ complete withdrawal from CAISO,
notwithstanding CPUC’s authority to authorize the Utilities’ withdrawal of certain
facilities.
2
It is undisputed that the Utilities are electrical corporations to which
Section 362(c) applies. See also Joint Application of Pac. Gas and Elec. Co. (U
39-E), San Diego Gas & Elec. Co. (U 902-E), and S. Cal. Edison Co. (U 388-E)
for an Order under Pub. Utils. Code Section 853 Exempting Them from the
Provisions of Section 851 or in the Alternative for Authority to Convey
Operational Control of Designated Transmission Lines and Associated Facilities
to an Independent System Operator, 78 CPUC 2d 307, 1998 WL 242747 (Jan. 21,
1998).
5 24-2527
And contrary to the Utilities’ arguments, neither Section 362(d) nor Section
851 grant CPUC the authority to authorize the Utilities to violate this mandate, as
both provisions address only transfers of operational control of specific facilities or
property. See Cal. Pub. Util. Code § 362(d) (“An electrical corporation shall not
withdraw a facility from the operational control of [CAISO] without [CPUC]
approval pursuant to Section 851.” (emphasis added)); Cal. Pub. Util. Code
§ 851(a) (providing that a public utility “shall not sell, lease, assign, mortgage, or
otherwise dispose of, or encumber the whole or any part of its . . . property
necessary or useful in the performance of its duties to the public” without obtaining
CPUC’s approval to do so (emphasis added)). Thus, the reference to Section 851
in Section 362(c) cannot grant CPUC the authority to allow the Utilities to cease
their participation in CAISO. Because the Utilities cannot withdraw from CAISO,
their participation is not voluntary. See Voluntary, Merriam-Webster,
https://www.merriam-webster.com/dictionary/voluntary [https://perma.cc/R3SZ-
JXE7] (defining voluntary as “unconstrained by interference” or “acting . . . of
one’s own free will without . . . legal obligation”); Voluntary, Black’s Law
Dictionary (12th ed. 2024) (defining voluntary as “[u]nconstrained by interference;
not impelled by outside influence”).
2. The Utilities argue that if California Public Utilities Code Section
362(c) renders PG&E’s participation in CAISO involuntary, it is preempted by
6 24-2527
federal law. FERC declined to address preemption below.3 On appeal, FERC
argues that its decision to ignore the issue was reasonable but agrees that we may
address it on appeal. See also Ray v. Gonzales, 439 F.3d 582, 591 (9th Cir. 2006)
(noting that the court may address in the first instance purely legal questions over
which the agency “claims no particular expertise”).
Section 362(c) is not preempted by federal law. Impossibility preemption
does not apply because, by remaining members of CAISO, the Utilities are
complying with both federal and state law. See Cal. Pub. Utils. Code § 362(c)
(requiring the Utilities to participate in CAISO); 16 U.S.C. §§ 824a(a) (directing
FERC to facilitate “the voluntary interconnection and coordination of facilities for
the generation, transmission, and sale of electric energy”), 824s(c) (directing FERC
to provide rate incentives for RTO participation); Crosby v. Nat’l Foreign Trade
Council, 530 U.S. 363, 372–73 (2000) (“We will find preemption where it is
impossible for a private party to comply with both state and federal law . . . .”).
Obstacle preemption does not apply because California’s decision to require
the Utilities to participate in CAISO does not frustrate the purpose of Section
3
In its initial order denying Section 219(c) adder, FERC did not respond to
PG&E’s request for an opportunity to “fully brief” the issue of “pre-emption of
state law requiring [CAISO] participation.” In its rehearing order, FERC
concluded that the proceeding was “an inappropriate vehicle to address preemption
concerns.” We therefore reject Intervenors’ argument that PG&E failed to
adequately raise preemption below.
7 24-2527
219(c) of the FPA, which is to increase participation in RTOs using incentives.
See 16 U.S.C. § 824s(c); Order 679 ¶ 331. That Congress chose to incentivize,
rather than mandate, RTO membership does not necessarily imply an intent to
prevent states from mandating it. See also Chamber of Com. of U.S. v. Whiting,
563 U.S. 582, 604, 607 (2011) (cautioning that obstacle preemption is a “high
threshold” and that courts must avoid a “freewheeling judicial inquiry into whether
a state statute is in tension with federal objectives,” which “would undercut the
principle that it is Congress rather than the courts that pre-empts state law”
(quoting Gade v. Nat’l Solid Wastes Mgmt. Ass’n, 505 U.S. 88, 110–11 (1992)
(Kennedy, J., concurring in part and concurring in judgment))).
As for field preemption, the FPA grants FERC jurisdiction over interstate
wholesale rates but leaves regulation of intrastate wholesale markets and retail
sales of electricity to the states. See 16 U.S.C. § 824; Elec. Power Supply Ass’n,
577 U.S. at 266–67; see also Nw. Cent. Pipeline Corp. v. State Corp. Comm’n of
Kan., 489 U.S. 493, 509 (1989) (explaining that field preemption exists when
Congress legislates broadly enough “to occupy an entire field of regulation,
leaving no room for the States to supplement federal law”). By requiring CAISO
participation, California is regulating within the domain Congress assigned to the
states, see 16 U.S.C. § 824(b)(1), but in a manner that indirectly affects interstate
wholesale rates. Such indirect effects do not trigger field preemption. Cf. 16
8 24-2527
U.S.C. § 824a-1(a) (allowing, but not requiring, FERC to exempt utilities from
state laws that hinder voluntary utility cooperation).
3. Finally, the Utilities argue that “the plain text of Section 219(c) [of the
FPA] awards the adder to all utilities regardless of whether their participation is
compelled by state law.” Acknowledging that FERC has interpreted Section
219(c) as imposing a voluntariness requirement for adder, see Order 679 ¶¶ 326,
331, the Utilities argue that this interpretation conflicts with the plain text of the
statute, which “makes clear that FERC lacks discretion to limit the adder only to
voluntary members of an RTO.”
In determining whether FERC has acted within its statutory authority by
requiring voluntary RTO membership for Section 219(c) adder, we exercise our
“independent judgment” based on the “best reading” of the statute. Loper Bright
Enters. v. Raimondo, 603 U.S. 369, 399, 400, 412 (2024); see also Murillo-Chavez
v. Bondi, 128 F.4th 1076, 1086 (9th Cir. 2025) (explaining that, after Loper Bright,
agency interpretations have only the “power to persuade” (quoting Loper Bright,
603 U.S. at 388)).
Section 219(c) states that, “[i]n the rule issued under this section, [FERC]
shall . . . provide for incentives to each transmitting utility or electric utility that
joins [an RTO].” 16 U.S.C. § 824s(c). The single, best reading of Section 219(c)
is that RTO adder requires voluntary membership. An “incentive” is “something
9 24-2527
that incites or has a tendency to incite to determination or action.” Incentive,
Merriam-Webster, https://www.merriam-webster.com/dictionary/incentive
[https://perma.cc/NCA3-UMNG]. “An incentive cannot ‘induce’ behavior that is
already legally mandated.” CPUC I, 879 F.3d at 974. Thus, the Utilities’
interpretation of Section 219(c) reads the word “incentive” out of the statute.
Additionally, the other subsections of Section 219 suggest that Congress
intended Section 219(c) adder to induce voluntary RTO participation, not to
function as a payment or reward to RTO members. Section 219(a) directs FERC to
create rate-based incentives to improve transmission for the benefit of consumers.
See 16 U.S.C. § 824s(a). Section 219(b) identifies the promotion of capital
investment and new technology as a target of the incentives, and Section 219(c)
identifies RTO membership as another target. See 16 U.S.C. § 824s(b)–(c).
Finally, Section 219(d) reaffirms FERC’s duty to ensure that all rates adopted
pursuant to Section 219 are “just and reasonable.” 16 U.S.C. § 824s(d). Viewed
as a whole, the “best” reading of Section 219 is that the statutory provision
provides incentives for a variety of voluntary actions by utilities, with an
overarching goal of benefiting consumers. Requiring a connection between a rate
10 24-2527
incentive and the conduct meant to be induced is consistent with FERC’s general
duty to ensure that rates are “just and reasonable.”4 See 16 U.S.C. § 824s(d).
Accordingly, FERC did not act arbitrarily, capriciously, or contrary to law
by denying PG&E’s request for Section 219(c) adder because California Public
Utilities Code Section 362(c) renders PG&E’s membership in CAISO involuntary.
AFFIRMED.
4
The Utilities also argue that the “incentive” in Section 219(c) “is intended
to induce . . . increased ‘capital investment in the enlargement, improvement,
maintenance, and operation of all facilities for the transmission of electric energy
in interstate commerce,’” and adder induces this investment by providing “utilities
with a higher return on transmission investment.” In other words, “the behavior
Congress is seeking to induce is investment in transmission infrastructure,” not
membership in RTOs. This argument is unpersuasive because Section 219(b), not
Section 219(c), concerns capital investment in transmission facilities, and Section
219(c) does not condition incentives on infrastructure investments. See 16 U.S.C.
§ 824s(b)–(c).
11 24-2527
Plain English Summary
NOT FOR PUBLICATION FILED UNITED STATES COURT OF APPEALS JUL 11 2025 MOLLY C.
Key Points
01NOT FOR PUBLICATION FILED UNITED STATES COURT OF APPEALS JUL 11 2025 MOLLY C.
02COURT OF APPEALS FOR THE NINTH CIRCUIT PACIFIC GAS & ELECTRIC COMPANY; No.
03ER24-96-000 COMPANY; SAN DIEGO GAS & Federal Energy Regulatory ELECTRIC COMPANY, Commission Petitioners, MEMORANDUM* v.
04FEDERAL ENERGY REGULATORY COMMISSION, Respondent, ---------------------------------------- CALIFORNIA DEPARTMENT OF WATER RESOURCES STATE WATER PROJECT; CALIFORNIA PUBLIC UTILITIES COMMISSION; CITY OF ANAHEIM; CITY OF AZUSA; CITY OF BANNING
Frequently Asked Questions
NOT FOR PUBLICATION FILED UNITED STATES COURT OF APPEALS JUL 11 2025 MOLLY C.
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