(a) Each electrical utility owning, in whole or in part, or operating a nuclear facility, located in California or elsewhere, shall provide a decommissioning cost estimate to the commission or the board for all nuclear facilities which shall include all of the following:

1. (1) An estimate of costs of decommissioning.
2. (2) A description of changes in regulation, technology, and economics affecting the estimate of costs.
3. (3) A description of additions and deletions to nuclear facilities.
4. (4) Upon request of the commission or the board, other information required by the Nuclear Regulatory Commission regarding decommissioning costs.