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NOTICE DATE: January 29, 2021

NOTICE TYPE: W-A012921-01 General

SHORT DESCRIPTION: Generation Information Needed for Renewable and Green Energy Verification (Labeling of Electricity)

INTENDED AUDIENCE: All Owners of Generation in Texas

DAY AFFECTED: March 1, 2021

LONG DESCRIPTION: As the registration agent specified in PUCT Substantive Rule 25.476, Renewable and Green Energy Verification, ERCOT requests that all generation owners submit certain emissions, generation output and fuel mix information for all of their generation units in Texas, as required by Rule 25.476, for the purposes of creating individual generator scorecards and calculating statewide fuel and emissions data used in updating Electricity Facts Labels for Retail Electric Providers (REPs).

By March 1, 2021, all generation owners shall submit the following data for all of their generation units in Texas for calendar year 2020 to ERCOT:

- For all ERCOT Polled Settlement (EPS) metered generation units:
  - Generation owners shall submit the MWh-weighted average annual emissions rate, on an aggregate basis, for each of the following emission categories: carbon dioxide, nitrogen oxides, particulates, sulfur dioxide, and nuclear waste. EPS metered Generators do not need to submit their net generation output and fuel mix information as this information is available in ERCOT’s settlement system.

- For all generation units that are not EPS metered:
  - Generation owners shall submit the MWh-weighted average annual emissions rate, on an aggregate basis, for each of the following emission categories: carbon dioxide, nitrogen oxides, particulates, sulfur dioxide, and nuclear waste.
  - Generation owners shall also submit the net generation in MWh and fuel mix information. Information on appropriate categorization of fuels for purposes of Electric Facts Labeling is provided on the instruction tab of the attached spreadsheet to be used to submit this information.

ACTION REQUIRED: All generation owners should submit the required information by March 1, 2021 to [log in to unmask]. Please use the attached spreadsheet named “2020 Generators with EPS Meters” to submit information for EPS metered generators. For generators that are not metered with EPS meters, use the attached spreadsheet named “2020 Generators with NO EPS Meters”. The forms are attached to this email and are also available on the Labeling of Electricity page of ERCOT.com.

ADDITIONAL INFORMATION: For more information on PUCT Substantive Rule 25.476, please visit the Electric Substantive Rules page on the PUCT's website.

CONTACT: If you have any questions or concerns, please send an e-mail to [log in to unmask]. You may also contact your ERCOT Account Manager or call the general ERCOT Client Services phone number at (512) 248-3900 or via email at [log in to unmask].

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