Appellate Briefs

D.C. Cir. No. 24-1253, et al. Order granting, subject to conditions, authorization to construct and operate the System Alignment Program Project, to abandon certain pipeline facilities and to construct new pipeline facilities, two new compressor stations, and appurtenant equipment in Tennessee, North Carolina, and Virginia; pre-determination of rolled-in rate treatment, and access to CEII information.  East Tennessee Natural Gas, LLC, 186 FERC ¶ 61,210 (2024), order on reh’g, 189 FERC ¶ 61,232 (2024).

5th Cir., No. 25-60304. Order accepting modification to MISO’s generator interconnection study process to implement a queue cap and exemptions to that cap.  Midcontinent Indep. System Operator, 190 FERC ¶ 61,057 (2025), order on reh’g, 191 FERC ¶ 61,157 (2025).

5th Cir. No. 25-60019, et al. Order rejecting amended Interconnection Service Agreement (ISA) among PJM, Susquehanna Nuclear, LLC, and PPL Electric Utilities Corp, to increase the amount of co-located load.  PJM Interconnection, L.L.C., 189 FERC ¶ 61,078 (2024), order on reh’g, 191 FERC ¶ 61,025 (2025).

S. Ct. Nos. 24-1304, et al.  Brief for the Federal Energy Regulatory Commission in response to petitions for certiorari, seeking Supreme Court review of Dayton Power & Light Co., et al. v. FERC, 126 F.4th 1107 (6th Cir. 2025), which affirmed FERC limitation of ROE incentives for utilities compelled under state law to join and stay in regional transmission organization, and also addressing preemption and settlement issues.  Dayton Power & Light Co., 176 FERC ¶ 61,025 (2021), order on reh’g, 178 FERC ¶ 61,102 (2022); Office of the Ohio Consumers’ Counsel v. American Electric Power Serv. Corp., et al., 181 FERC ¶ 61,214 (2022), order on reh’g, 183 FERC ¶ 61,034 (2023).

D.C. Cir. Nos. 24-1291, et al. Opposition of Respondent FERC to Motion For Stay.

8th Cir. No. 25-1769, et al. Orders denying complaints and waiver request, concerning MISO protocols, under Joint Operating Agreement with SPP, for managing congestion at a particular flowgate.   Montana-Dakota Utilities Co. v Midcontinent Indep. Sys. Operator, Inc., et al., 188 FERC ¶¶ 61,168 and 61,169 (2024), orders on reh’g, 190 FERC ¶¶ 61,162 and 61,168 (2025).

8th Cir. No. 25-1007, et al. Orders denying complaints and waiver request, concerning MISO protocols, under Joint Operating Agreement with SPP, for managing congestion at a particular flowgate.   Montana-Dakota Utilities Co. v Midcontinent Indep. Sys. Operator, Inc., et al., 188 FERC ¶¶ 61,168 and 61,169 (2024), orders on reh’g, 190 FERC ¶¶ 61,162 and 61,168 (2025).

D.C. Cir. No. 24-1270, et al., Order accepting tariff revisions, to allocate the costs of Sunflower Byway facilities on a 100% regional, postage-stamp basis  Southwest Power Pool, Inc., 187 FERC ¶ 61,123 (2024), order on reh’g, 189 FERC ¶ 61,128 (2024).

S. Ct. No. 24-1262 Brief for the Federal Energy Regulatory Commission.  Notice rejecting request for rehearing, of blanket certificate issued in 1983, and denying late intervention.  Columbia Gas Transm. Corp., 186 FERC ¶ 62,052 (Feb. 7, 2024); Rehearing denied by operation of law, 187 FERC ¶ 62,027 (Apr. 11, 2024).

10th Cir. No. 25-9522 Order on compliance with earlier orders, concerning obligations of Tri-State members.  Tri-State Generation and Transmission Ass’n, 189 FERC ¶ 61,165 (2024), order on reh’g, 191 FERC ¶ 61,088 (2025).  [related to Tri-State v. FERC, 10th Cir. No. 24-9516, et al. (FERC brief filed 1/27/25)]

D.C. Cir. No. 23-1227, et al., Order denying complaint and waiver request, related to SPP’s interconnection studies of Cage Ranch’s planned solar generating facility.  Cage Ranch Solar, LLC, et al. v. Southwest Power Pool, Inc., 183 FERC ¶ 61,138 (2023), order on reh’g, 185 FERC ¶ 61,017 (2023).  

D.C. Cir. No. 25-1091. Order accepting PJM filing to remove Energy Efficiency Resource participation in PJM’s wholesale capacity market.  PJM Interconnection, L.L.C., 189 FERC ¶ 61,095 (2024), order on reh’g and stay, 190 FERC ¶ 61,081 (2025).

D.C. Cir. No. 24-1263, et al., Order following hearing and ALJ initial decision, concerning TransCanada Keystone Variable Rate pursuant to the Transportation Service Agreements between Keystone and certain committed shippers for crude oil transportation.  Husky US Mktg. LLC, et al. v. TransCanada Keystone Pipeline, LP, Opinion No. 590, 188 FERC ¶ 61,077 (2024).

D.C. Cir. No. 24-1353 Order denying complaint, concerning conduct of 2024-25 Base Residual Auction and recalculated auction results.  PJM Load Parties v. PJM Interconnection, L.L.C., 188 FERC ¶ 61,020 (2024), order on reh’g, 189 FERC¶61,199 (2024).

8th Cir. No. 24-3161, et al. Order denying complaint, alleging that Southwest Power Pool, by allocating zero Long-Term Transmission Congestion Rights to Missouri River, has violated the SPP open access tariff and has effectively charged Missouri River in excess of the filed rate.  Missouri River Energy Services v. Southwest Power Pool, Inc., 187 FERC ¶ 61,188 (2024), order on reh’g, 189 FERC ¶ 61,163 (2024).

D.C. Cir. No. 24-1164, Order denying complaints, alleging that PJM is improperly not allowing West Virginia Commission and Market Monitor to attend PJM’s Liaison Committee meetings. Pub. Serv. Comm’n of W. Virginia and Independent Market Monitor v. PJM Interconnection, L.L.C., 186 FERC ¶ 61,163 (2024); Rehearing denied by operation of law, 187 FERC ¶ 62,070 (Apr. 29, 2024)

D.C. Cir. No. 23-1282, et al. Reforms to generator interconnection procedures, to address interconnection queue backlogs, improve certainty, and prevent undue discrimination for new technologies; challenges to penalties for transmission provider study delays and for generator withdrawals from the queue.  Improvements to Generator Interconnection Procedures and Agreements, Order No. 2023, 184 FERC ¶ 61,054 (2023); Order on timing of compliance filings, 185 FERC ¶ 61,063 (2023); Order on Rehearing and Clarification, Order No. 2023-A, 186 FERC ¶ 61,199 (2024).

 D.C. Cir. No. 25-1091 - Opposition of FERC to Motion for Stay Pending Review. Order accepting PJM filing to remove Energy Efficiency Resource participation in PJM’s wholesale capacity market, the Reliability Pricing Model.  PJM Interconnection, L.L.C., 189 FERC ¶ 61,095 (Nov. 5, 2024); order on reh’g and stay, 190 FERC ¶ 61,081 (Feb. 7, 2025).

D.C. Cir. No. 23-1348, et al. Letter brief in response to court's March 13, 2025 order. Order on exceptions to ALJ’s Initial Decision concerning the Quality Bank for the Trans Alaska Pipeline System (TAPS), and specifically whether the current Quality Bank methodology for valuing Resid continues to be just and reasonable. BP Pipelines (Alaska) Inc., ConocoPhillips Transportation Alaska, Inc., and ExxonMobil Pipeline Co., Opinion No. 588, 185 FERC ¶ 61,206 (Dec. 20, 2023). 

 M.D. North Carolina No. 25-00068 Response in opposition to motion for preliminary injunction  concerning FERC Order to Show Cause and Notice of Proposed Penalty, 189 FERC ¶ 61,196 (Dec. 16, 2024).