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Labeling of Electricity

The purpose of PUCT Substantive Rule 25.476 is to establish the procedures by which REPs calculate and compose their renewable content pursuant to §25.475, General Retail Electric Provider Requirements and Information Disclosures to Residential and Small Commercial Customers, and to establish guidelines and verification for claims of "green" products. For questions concerning Labeling of Electricity, email electricitylabel@ercot.com.

Generation and Emissions Forms

Forms used by each owner of Texas-based Generators to submit to ERCOT the following data: net generation in MWh from each of its generating units in Texas; the type of fuel used by each of its generating units in Texas; and the MWh-weighted average annual emissions rate, on an aggregate basis for all of its generating units in Texas for carbon dioxide, nitrogen oxides, particulates, sulfur dioxide, and nuclear waste.


2021 Renewable Content Calculator
2022 Renewable Content Calculator will be posted on April 1, 2023.
Apr 1, 2022 - xlsx - 71.5 KB
2022 Generator with EPS Meters
2022 Generator with EPS Meter Forms must be submitted to ERCOT by March 1, 2023.
Jan 23, 2023 - xlsx - 58.1 KB
2022 Generators with NO EPS Meters
2022 Generators with NO EPS Meter Forms must be submitted to ERCOT by March 1, 2023.
Jan 23, 2023 - xlsx - 43.7 KB
Archived Renewable Content Calculator EFL Workbook
Archived Renewable Calculators EFL Workbooks for Years 2009 through 2021.
Jan 23, 2023 - zip - 734.5 KB
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