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TITLE 16ECONOMIC REGULATION
PART 2PUBLIC UTILITY COMMISSION OF TEXAS
CHAPTER 25SUBSTANTIVE RULES APPLICABLE TO ELECTRIC SERVICE PROVIDERS
SUBCHAPTER HELECTRICAL PLANNING
DIVISION 1RENEWABLE ENERGY RESOURCES AND USE OF NATURAL GAS
RULE §25.173Renewable Energy Credit Program

  (6) Participants that were registered and certified to participate in the trading program prior to the effective date of this rule continue to be registered and certified under this subsection and are not required to re-register or be recertified to participate in the trading program.

(e) Renewable energy credits, solar renewable energy credits, and compliance premiums.

  (1) Renewable energy credits (RECs).

    (A) Facilities eligible for producing RECs in the trading program. For a renewable facility to be eligible to produce RECs for the trading program it must be either a new facility, a small producer, or a repowered facility as defined in subsection (c) of this section and must also meet the requirements of this subsection.

      (i) A renewable energy resource must not be ineligible under subparagraph (B) of this paragraph and must be certified under subsection (d) of this section.

      (ii) For a renewable energy technology that requires fossil fuel, the facility's use of fossil fuel must not exceed 25.0% of the total annual fuel input on a British thermal unit (BTU) or equivalent basis.

      (iii) For a renewable energy technology that requires the use of fossil fuel that exceeds 2.0% of the total annual fuel input on a BTU or equivalent basis, RECs can only be earned on the renewable portion of the production. A renewable energy resource using a technology described by this clause must comply with the following requirements:

        (I) A meter must be installed and periodic tests of the heat content of the fuel must be conducted to measure the amount of fossil fuel input on a British thermal unit (BTU) or equivalent basis that is used at the facility;

        (II) The renewable energy resource must calculate the electricity generated by the unit in MWh, based on the BTUs (or equivalent) produced by the fossil fuel and the efficiency of the renewable energy resource, subtract the MWh generated with fossil fuel input from the total MWh of generation and report the renewable energy generated to the program administrator;

        (III) The renewable energy resource must report the generation to the program administrator in the measurements, format, and frequency prescribed by the program administrator, which may include a description of the methodology for calculating the non-renewable energy produced by the resource; and

        (IV) The renewable energy resource is subject to audit to verify the accuracy of the data submitted to the program administrator and compliance with this section, to be conducted by the program administrator or an independent third party as requested by the program administrator. If the program administrator requires a third party audit, the audit must be performed at the expense of the renewable energy resource.

      (iv) The output of the facility must be readily capable of being physically metered and verified in Texas by the program administrator. Energy from a renewable facility that is delivered into a transmission system where it is commingled with electricity from non-renewable resources before being metered cannot be verified as delivered to Texas customers. A facility is not ineligible if the facility is a generation-offset, off-grid, or on-site distributed renewable facility and it otherwise meets the requirements of this subparagraph.

      (v) For a municipally owned utility operating a gas distribution system, any production or acquisition of landfill gas that is directly supplied to the gas distribution system is eligible to produce RECs based upon the conversion of the thermal energy in BTUs to electric energy in kWh using for the conversion factor the systemwide average heat rate of the gas-fired units of the combined utility's electric system as measured in BTUs per kWh.

      (vi) For industry-standard thermal technologies, the RECs can be earned only on the renewable portion of energy production.

    (B) Facilities not eligible for producing RECs in the trading program. A renewable facility is not eligible to produce RECs if it is:

      (i) A renewable energy capacity addition associated with an emissions reductions project described in Health and Safety Code §382.05193, that is used to satisfy the permit requirements in Health and Safety Code §382.0519; or

      (ii) An existing facility that is not a small producer as defined in subsection (c) of this section or has not been repowered as permitted under subparagraph (A) of this paragraph.

  (2) Solar renewable energy credits (solar RECs) for solar RPS.

    (A) Facilities eligible for producing solar RECs and compliance premiums for the solar RPS. For a renewable facility to be eligible to produce solar RECs and compliance premiums for the solar RPS, it must be either a new facility, a small producer, or a repowered facility as defined in subsection (c) of this section and must also meet the requirements of this paragraph:

      (i) A renewable energy resource must not be ineligible under subparagraph (B) of this paragraph and must register under subsection (d) of this section.

      (ii) A facility must only use renewable energy technologies that exclusively rely on an energy source that is naturally regenerated, over a short time and derived directly from the sun.

      (iii) The output of the facility must be readily capable of being physically metered and verified in Texas by the program administrator. Energy from a solar renewable facility that is delivered into a transmission system where it is commingled with electricity from non-solar renewable resources before being metered cannot be verified as delivered to Texas customers. A facility is not ineligible by virtue of the fact that the facility is a generation-offset, off-grid, or on-site distributed solar renewable facility if it otherwise meets the requirements of this subparagraph.

      (iv) For repowered facilities, a facility is eligible to earn solar RECs on all renewable energy produced up to a capacity of 150 MW. A repowered facility with a capacity greater than 150 MW may earn solar RECs for the energy produced in proportion to 150 divided by nameplate capacity.

    (B) Facilities not eligible for producing solar RECs and compliance premiums for use in the solar RPS. A renewable facility is not eligible to produce solar RECs and compliance premiums for use in the solar RPS if it is:

      (i) A renewable energy capacity addition associated with an emissions reductions project described in Health and Safety Code §382.05193, that is used to satisfy the permit requirements in Health and Safety Code §382.0519; or

      (ii) An existing facility that is not a small producer as defined in subsection (c) of this section or has not been repowered as permitted under this subsection.

  (3) Compliance premiums. The program administrator will award compliance premiums to solar REC generators certified by the commission under subsection (d) of this section.

    (A) For eligible solar technologies as set forth in paragraph (2)(A)(ii) of this subsection, one compliance premium will be created and awarded in conjunction with each solar REC generated January 1, 2008 through December 31, 2024. Compliance premiums will not be created or awarded after December 31, 2024.

    (B) Except as provided in this paragraph, the award, retirement, trade, and registration of compliance premiums must follow the requirements of paragraph (4) of this subsection and subsections (f) and (i) of this section.

    (C) A compliance premium may be used by any retail entity toward its solar RPS requirement under subsection (f)(2) of this section.

    (D) A compliance premium may not be used by any retail entity toward the RPS requirement after the settlement period for 2024 compliance period.

    (E) The program administrator must increase the statewide RPS requirement calculated under subsection (f)(2)(A) of this section by the number of compliance premiums retired during the previous compliance period.

  (4) Production, transfer, and expiration of RECs and solar RECs. The production, transfer, and expiration of RECs and solar RECs must follow the requirements of this paragraph. RECs and solar RECs issued through December 31, 2023, continue to exist and retire consistent with their issuance.

    (A) The owner of a renewable resource will earn one REC or solar REC when a MWh is metered at that renewable resource. The program administrator will record the energy in metered MWh and credit the REC account of the renewable resource that generated the energy on a quarterly basis. Quarterly production must be rounded to the nearest whole MWh, with fractions of 0.5 MWh or greater rounded up.

    (B) The transfer of RECs or solar RECs between parties is effective only when the transfer is recorded by the program administrator.

Cont'd...

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