(a)

(1) If the commission imposes a nonbypassable charge pursuant to

Section 3299.2, each large electrical corporation shall provide to the administrator for deposit into the account its annual contribution, as determined pursuant to paragraph (2), by January of each year from calendar year to 2045, inclusive, except, if the commission’s decision to impose the nonbypassable charge was made on or after January 1, 2029, the annual contribution for calendar year shall be made within days of the commission’s decision.

(2) The aggregate total of the annual contributions from the large electrical corporations for each year shall be three hundred million dollars ($300,000,000) and shall be allocated as follows: (A) 47.85 percent for Pacific Gas and Electric Company. (B) 47.85 percent for Southern California Edison Company. (C) 4.30 percent for San Diego Gas and Electric Company. (b)

(1) In addition to subdivision (a), if the administrator determines that additional contributions from large electrical corporations are needed to enable the account to fund the timely payment of eligible claims due to the likelihood of exhaustion of revenues in the account, including the proceeds to bonds issued pursuant to

Section of the Water Code, the administrator shall notify each large electrical corporation that additional contributions, with an aggregate total of three billion nine hundred million dollars ($3,900,000,000), is required. The proportionate share of those additional contributions shall be allocated to large electrical corporations as described in paragraph (2) of subdivision (

a) and each large electrical corporation shall pay its proportionate share of the additional contributions to the administrator in equal installments over a five-year period. Each large electrical corporation shall pay its proportionate share of the additional contributions within days of the administrator notifying the large electrical corporation and on the anniversary of its first installment payment each year thereafter.

(2) If the administrator winds up and terminates the account before the final installment payment is paid pursuant to paragraph (1), the large electrical corporation shall provide one-half of the remaining unpaid installment payments pursuant to paragraph (1) as rate credits to its ratepayers. (

c) Contributions made pursuant to this

section shall not be recovered from the ratepayers of a large electrical corporation and shall be excluded from the measurement of its authorized capital structure. (

d) If a large electrical corporation is required to reimburse the account in accordance with subdivision (

b) of

Section 3299.10, the large electrical corporation may reduce the amount required to be reimbursed by the amount of contributions it has paid pursuant to this

section for which the large electrical corporation has not claimed a reduction pursuant to this subdivision.