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                              October 6, 2023

       Mark McFarland
       Chief Executive Officer
       Talen Energy Corporation
       2929 Allen Pkwy, Suite 2200
       Houston, TX 77019

                                                        Re: Talen Energy
Corporation
                                                            Draft Registration
Statement on Form S-1
                                                            Submitted September
8, 2023
                                                            CIK No. 0001622536

       Dear Mark McFarland:

                                                        We have reviewed your
draft registration statement and have the following comments.

              Please respond to this letter by providing the requested
information and either submitting
       an amended draft registration statement or publicly filing your
registration statement on
       EDGAR. If you do not believe a comment applies to your facts and
circumstances or do not
       believe an amendment is appropriate, please tell us why in your
response.

               After reviewing the information you provide in response to this
letter and your amended
       draft registration statement or filed registration statement, we may
have additional comments.

       Draft Registration Statement on Form S-1

       Our Business
       Our Cumulus Platform Opportunities, page 4

   1.                                                   Please revise your
disclosure to clarify what you describe as cutting-edge digital
                                                        infrastructure.
       Prospectus Summary
       Our Business Strategies, page 7

   2.                                                   Please provide the
bases for your statement that your platform is industry-leading.
 Mark McFarland
FirstName  LastNameMark
Talen Energy Corporation McFarland
Comapany
October    NameTalen Energy Corporation
        6, 2023
October
Page 2 6, 2023 Page 2
FirstName LastName
Unaudited Pro Forma Condensed Consolidated Financial Information
Notes to the Unaudited Pro Forma Financial Information
Note 2. Plan of Reorganization and Fresh Start Adjustments, page 49

3.       We note adjustments to your Predecessor historical reorganization
income (expense), net
         amounts on pages 47 and 48. Please revise pro forma adjustment (b) on
page 49 to
         disclose, in greater detail, the nature of each of your reorganization
and fresh-start
         adjustments, or reference where such adjustments are explained.

         If the $(1,259) million reorganization adjustment on page 47
represents gain on debt
         discharge in the Predecessor period January 1 through May 17, 2023,
please reconcile that
         amount to the $(1,459) million gain on debt discharge disclosed on
page 57.
Management's Discussion and Analysis of Financial Condition and Results of
Operations
Commodity Markets, page 51

4.       Please revise your disclosure to include the definition of Spark
Spread.
Management's Discussion and Analysis of Financial Condition and Results of
Operations
Liquidity and Capital Resources
Talen Liquidity, page 65

5.       We note your risk factor disclosure on page 36 that your cash flows
and ability to meet
         your obligations are largely dependent upon the operating cash flows
of TES and your
         other subsidiaries. Please expand your disclosure to describe any
limitations and/or
         restrictions on the ability of your subsidiaries to make payments to
you in the form of
         dividends, distributions, and loans, and how such may impact your
liquidity.
         Additionally, discuss how you intend to fund your obligations if
distributions from TES
         and your other subsidiaries are not sufficient to meet your
obligations.
Business, page 78

6.       We note your reference to bitcoin and other digital assets on page 34.
Please add
         disclosure to discuss your bitcoin and digital asset related plan of
operations for the next
         12 months, or beyond if known. If other digital assets are involved,
describe nature of
         operations, material terms and characteristics of the digital assets,
how the digital assets
         will be used and risks of holding such assets. Describe known or
anticipated material
         commitments for capital expenditures and source of funds, and known
trends or
         uncertainties that are reasonably expected to have a material impact
on results of
         operations or financial condition.
 Mark McFarland
FirstName  LastNameMark
Talen Energy Corporation McFarland
Comapany
October    NameTalen Energy Corporation
        6, 2023
October
Page 3 6, 2023 Page 3
FirstName LastName
Description of Capital Stock, page 134

7.       We note your disclosure regarding your exclusive forum provision for
certain litigation,
         including any    derivative action.    Please revise to disclose
whether this provision applies
         to actions arising under the Exchange Act.
Talen Energy Corporation and Subsidiaries
Condensed Consolidated Statements of Operations (unaudited)
Notes to the Interim Financial Statements
Note 2. Basis of Presentation and Summary of Significant Accounting Policies
Summary of Significant Accounting Policies, page F-8

8.       We note your disclosure on page F-34 referencing bitcoin and other
digital assets, page 55
         stating that your other revenues relate to bitcoin operations of
Nautilus which commenced
         operations in February 2023, and page F-74 stating that expenditures
for bitcoin mining
         facilities are recorded as part of your Property, Plant and Equipment.
Please expand your
         disclosure to clarify the extent of costs recorded as of June 30, 2023
that related to your
         bitcoin facilities, bitcoin and other digital assets. Additionally,
disclose your accounting
         policies for bitcoin revenue recognition, and for bitcoin and other
digital assets including
         how you record and value the assets initially and on an ongoing basis.
Note 4. Fresh Start Accounting
Reorganization Value, page F-11

9.       We note your disclosure stating that your reorganization value was
derived from an
         estimate of your enterprise value, and that although management
believes the assumptions
         and estimates used to develop the enterprise value and reorganization
value are reasonable
         and appropriate, different assumptions and estimates could materially
impact the analysis
         and resulting conclusions.

         Please expand your disclosure to disclose the sensitivity assumptions
about the reasonable
         possibility that variation in assumptions could significantly affect
your reorganization
         value and enterprise value, to comply with ASC 852-10-50-7c.2.
10.      We note your reconciliation of the enterprise value to the estimated
reorganization value
         at the Emergence Date. Please also disclose the reorganization value
immediately before
         your December 20, 2022 date of plan confirmation, and the total of all
post-petition
         liabilities and allowed claims, to comply with ASC 852-10-45-19.
 Mark McFarland
FirstName  LastNameMark
Talen Energy Corporation McFarland
Comapany
October    NameTalen Energy Corporation
        6, 2023
October
Page 4 6, 2023 Page 4
FirstName LastName
Annual Financial Statements for the Three Fiscal Years Ended December 31, 2022,
2021 and
2020 (Predecessor)
Notes to the Annual Financial Statements
Note 2. Basis of Presentation and Summary of Significant Accounting Policies
Operating Revenues and Revenue Recognition, page F-70

11.      We note your disclosure stating that certain contracts constitute
bundled agreements to
         sell energy, capacity, ancillary services and (or) renewable energy
credits (RECs), and that
         all performance obligations are deemed to be delivered and (or)
performed at the same
         time. As timing of revenue recognition is the same and occurs over a
contractually agreed
         period of time, it is unnecessary to allocate transaction price to
multiple performance
         obligations.

         Please expand your disclosure to clarify how you have concluded that
RECs are not
         distinct goods or services, rather they have substantially the same
pattern of transfer to
         customers as the other goods or services in the bundle. Also disclose
your accounting
         policy for RECs, to the extent they are material. Refer to ASC
606-10-25-14 to 25-22 for
         guidance.
Note 14. Property, Plant and Equipment, page F-106

12.      Please expand your disclosure to include the estimated useful life of
each significant class
         of property, plant and equipment.
Note 15. Asset Retirement Obligations and Accrued Environmental Costs, page
F-110

13.      Please revise your table to disclose, under the additional breakdown
section, the nuclear
         and non-nuclear amounts of your ARO carrying value at December 31,
2022.
General

14.      We note your disclosure that Cumulus Coin holds a 75% equity interest
in Nautilus and
         that    [a]lmost all of Cumulus Coin   s expected revenue will be from
the sale of mined
         bitcoin.    Please revise to describe the material terms of the
agreement related to this joint
         venture, including a description of how the mined bitcoin is
distributed pursuant to the
         joint venture agreement as well as the term and termination provisions
of the agreement.
         Also describe Cumulus Coin   s role and responsibilities in the
operation of Nautilus,
         including a description of the mining operations at the facility. For
example, please
         disclose (i) the number of miners hosted, (ii) the average hash rate
of the miners, (iii) the
         average age of the miners, (iv) whether the miners are insured, (v)
whether Nautilus
         participates in a mining pool and, if so, a description of the mining
pool and the material
         terms of the agreement with the mining pool operator, (vi) whether
Nautilus hosts miners
         operated and owned by third-parties, (vii) the range of bitcoin mined
on a monthly basis
         for the periods covered by your financial statements, (viii) a
detailed description of how
         the mined bitcoin is valued, monetized, stored, and insured and (ix) a
breakeven analysis
 Mark McFarland
Talen Energy Corporation
October 6, 2023
Page 5
      for the bitcoin mining operations of the joint venture that compares the
cost to earn/mine
      one bitcoin with the market value of one bitcoin. Please also consider
whether the issues
      addressed in the December 2022 Sample Letter to Companies Regarding
Recent
      Developments in Crypto Asset Markets are material to your business. We
may have
      additional comments upon review of your response.
       Please contact Yolanda Guobadia, Staff Accountant, at 202-551-3562 or
Lily Dang, Staff
Accountant, at 202-551-3867 if you have questions regarding comments on the
financial
statements and related matters. Please contact Michael Purcell, Staff Attorney,
at 202-551-5351
or Laura Nicholson, Special Counsel, at 202-551-3584 with any other questions.



                                                           Sincerely,
FirstName LastNameMark McFarland
                                                           Division of
Corporation Finance
Comapany NameTalen Energy Corporation
                                                           Office of Energy &
Transportation
October 6, 2023 Page 5
cc:       Anthony Sanderson
FirstName LastName