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TITLE 16ECONOMIC REGULATION
PART 2PUBLIC UTILITY COMMISSION OF TEXAS
CHAPTER 25SUBSTANTIVE RULES APPLICABLE TO ELECTRIC SERVICE PROVIDERS
SUBCHAPTER LNUCLEAR DECOMMISSIONING
RULE §25.301Nuclear Decommissioning Trusts

    (B) Diversification. For the purpose of this subparagraph, a commingled or mutual fund is not considered a security; rather, the diversification standard applies to all securities, including the individual securities held in commingled or mutual funds. Once the portfolio of securities (including commingled funds) held in the decommissioning trust(s) contains securities with an aggregate value in excess of $20 million, it must be diversified such that:

      (i) no more than 5.0 % of the securities held may be issued by one entity, with the exception of the federal government, its agencies and instrumentalities, and;

      (ii) the portfolio must contain at least 20 different issues of securities. Municipal securities and real estate investments must be diversified as to geographic region.

    (C) Qualified trusts. The utility may invest the decommissioning funds by means of qualified or unqualified nuclear decommissioning trusts; however, the utility must, to the extent permitted by the Internal Revenue Service, invest its decommissioning funds in "qualified" nuclear decommissioning trusts, in accordance with the Internal Revenue Service Code §468A.

    (D) Derivatives. The use of derivative securities in the trust is limited to those whose purpose is to enhance returns of the trust without a corresponding increase in risk or to reduce risk of the portfolio. Derivatives may not be used to increase the value of the portfolio by any amount greater than the value of the underlying securities. Prohibited derivative securities include, but are not limited to, mortgage strips; inverse floating rate securities; leveraged investments or internally leveraged securities; residual and support tranches of Collateralized Mortgage Obligations; tiered index bonds or other structured notes whose return characteristics are tied to non-market events; uncovered call/put options; large counter-party risk through over-the-counter options, forwards and swaps; and instruments with similar high-risk characteristics.

    (E) The use of leverage (borrowing) to purchase securities or the purchase of securities on margin for the trust is prohibited.

    (F) Investment limits in equity securities. The following investment limits must apply to the percentage of the aggregate market value of all non-fixed income investments relative to the total portfolio market value.

      (i) Except as noted in clause (ii), when the weighted average remaining life of the liability exceeds 5 years, the equity cap is 60%;

      (ii) When the weighted average remaining life of the liability ranges between 5 years and 2.5 years, the equity cap must be 30%. Additionally, during all years in which expenditures for decommissioning the nuclear units occur, the equity cap must also be 30%;

      (iii) When the weighted average remaining life of the liability is less than 2.5 years, the equity cap must be 0%;

      (iv) For purposes of this subparagraph, the weighted average remaining life in any given year is defined as the weighted average of years between the given year and the years of each decommissioning outlay, where the weights are based on each year’s expected decommissioning expenditures divided by the amount of the remaining liability in that year; and

      (v) Should the market value of non-fixed income investments, measured monthly, exceed the appropriate cap due to market fluctuations, the utility must, as soon as practicable, reduce the market value of the non-fixed income investments below the cap. Such reductions may be accomplished by investing all future contributions to the fund in debt securities as is necessary to reduce the market value of the non-fixed income investments below the cap, or if prudent, by the sale of equity securities.

    (G) A decommissioning trust must not invest in securities issued by the electric utility collecting the funds or any of its affiliates; however, investments of a decommissioning trust may include commingled funds that contain securities issued by the electric utility if the securities of the utility constitute no more than 5.0% of the fair market value of the assets of such commingled funds at the time of the investment.

  (3) Specific investment restrictions. The following restrictions must apply to all decommissioning trusts. Where a utility has multiple trusts for a single generating unit, the restrictions contained in this subsection apply to all trusts in the aggregate for that generating unit.

    (A) Fixed-income investments. A decommissioning trust must not invest trust funds in corporate or municipal debt securities that have a bond rating below investment grade (below "BBB-" by Standard and Poor’s Corporation or "Baa3" by Moody’s Investor’s Service) at the time that the securities are purchased and must reexamine the appropriateness of continuing to hold a particular debt security if the debt rating of the company in question falls below investment grade at some time after the debt security has been purchased. Commingled funds may contain some below investment grade bonds; however, the overall portfolio of debt instruments must have a quality level, measured quarterly, not below a "AA" grade by Standard and Poor’s Corporation or "Aa2" by Moody’s Investor’s Service. In calculating the quality of the overall portfolio, debt securities issued by the federal government must be considered as having a "AAA" rating.

    (B) Equity investments.

      (i) At least 70% of the aggregate market value of the equity portfolio, including the individual securities in commingled funds, must have a quality ranking from a major rating service such as the earnings and dividend ranking for common stock by Standard and Poor’s or the quality rating of Ford Investor Services. Further, the overall portfolio of ranked equities must have a weighted average quality rating equivalent to the composite rating of the Standard and Poor’s 500 index assuming equal weighting of each ranked security in the index. If the quality rating, measured quarterly, falls below the minimum quality standard, the utility must as soon as practicable and prudent to do so, increase the quality level of the equity portfolio to the required level.

      (ii) A decommissioning trust must not invest in equity securities where the issuer has a capitalization of less than $100 million.

    (C) Commingled funds. The following guidelines must apply to the investments made through commingled funds. Examples of commingled funds appropriate for investment by nuclear decommissioning trust funds include United States equity-indexed funds, actively managed United States equity funds, balanced funds, bond funds, real estate investment trusts, and international funds.

      (i) The commingled funds should be selected consistent with the goals specified in paragraph (1) and the requirements in paragraph (2) of this subsection.

      (ii) In evaluating the appropriateness of a particular commingled fund, the utility has the following duties, which must be of a continuing nature:

        (I) A duty to determine whether the fund manager’s fee schedule for managing the fund is reasonable, when compared to fee schedules of other such managers;

        (II) A duty to investigate and determine whether the past performance of the investment manager in managing the commingled fund has been reasonable relative to prudent investment and utility decommissioning trust practices and standards; and

        (III) A duty to investigate the reasonableness of the net after-tax return and risk of the fund relative to similar funds, and the appropriateness of the fund within the entire decommissioning trust investment portfolio.

      (iii) The payment of load fees must be avoided.

      (iv) Commingled funds focused on specific market sectors or concentrated in a few holdings must be used only as necessary to balance the trust’s overall investment portfolio mix.


Source Note: The provisions of this §25.301 adopted to be effective June 18, 1998, 23 TexReg 6222; amended to be effective July 19, 2023, 48 TexReg 3900

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