BILLING CODE 6717-01-P
DEPARTMENT OF ENERGY
Federal Energy Regulatory Commission
[Docket No. EL24-114-000]
Mammoth North LLC; Notice of Institution of Section 206 Proceeding and Refund
Effective Date
On June 28, 2024, the Commission issued an order in Docket No. EL24-114-000,
pursuant to section 206 of the Federal Power Act (FPA), 16 U.S.C. 824e, instituting an
investigation to determine whether Mammoth North LLC’s (Mammoth North) proposed
Rate Schedule is unjust, unreasonable, unduly discriminatory or preferential, or otherwise
unlawful. Mammoth North LLC, 187 FERC ¶ 61,220 (2024).
The refund effective date in Docket No. EL24-114-000, established pursuant to
section 206(b) of the FPA, will be the date of publication of this notice in the Federal
Register or the date Mammoth North’s proposed Rate Schedule becomes effective,
whichever is later; provided, however, if the Rate Schedule does not become effective
until after five months from the date of publication of the notice, the refund effective date
shall be five months from the date of publication of the notice.
Any interested person desiring to be heard in Docket No. EL24-114-000 must file
a notice of intervention or motion to intervene, as appropriate, with the Federal Energy
Regulatory Commission, in accordance with Rule 214 of the Commission’s Rules of
Practice and Procedure, 18 CFR 385.214 (2023), within 21 days of the date of issuance of
the order.
In addition to publishing the full text of this document in the Federal Register, the
Commission provides all interested persons an opportunity to view and/or print the

contents of this document via the Internet through the Commission’s Home Page
(http://www.ferc.gov) using the “eLibrary” link. Enter the docket number excluding the
last three digits in the docket number field to access the document. From FERC’s Home
Page on the Internet, this information is available on eLibrary. The full text of this
document is available on eLibrary in PDF and Microsoft Word format for viewing,
printing, and/or downloading. To access this document in eLibrary, type the docket
number excluding the last three digits of this document in the docket number field. User
assistance is available for eLibrary and the FERC’s website during normal business hours
from FERC Online Support at 202-502-6652 (toll free at 1-866-208-3676) or email at
ferconlinesupport@ferc.gov, or the Public Reference Room at (202) 502-8371, TTY
(202)502-8659. E-mail the Public Reference Room at public.referenceroom@ferc.gov.
The Commission strongly encourages electronic filings of comments, protests, and
interventions in lieu of paper using the “eFile” link at http://www.ferc.gov. In lieu of
electronic filing, you may submit a paper copy. Submissions sent via the U.S. Postal
Service must be addressed to: Debbie-Anne A. Reese, Acting Secretary, Federal Energy
Regulatory Commission, 888 First Street, NE, Room 1A, Washington, DC 20426.
Submissions sent via any other carrier must be addressed to: Debbie-Anne A. Reese,
Acting Secretary, Federal Energy Regulatory Commission, 12225 Wilkins Avenue,
Rockville, Maryland 20852.
The Commission’s Office of Public Participation (OPP) supports meaningful
public engagement and participation in Commission proceedings. OPP can help
members of the public, including landowners, environmental justice communities, Tribal
members and others, access publicly available information and navigate Commission
processes. For public inquiries and assistance with making filings such as interventions,

comments, or requests for rehearing, the public is encouraged to contact OPP at
(202) 502-6595 or OPP@ferc.gov.
Dated: June 28, 2024.
Debbie-Anne A. Reese,
Acting Secretary.

[FR Doc. 2024-14775 Filed: 7/5/2024 8:45 am; Publication Date: 7/8/2024]