Cal. Pub. Util. Code § 854
(b) Before authorizing the merger, acquisition, or control of any electrical, gas, or telephone corporation organized and doing business in this state, if any utility that is a party to the proposed transaction has gross annual California revenues exceeding five hundred million dollars ($500,000,000), the commission shall find that the proposal does all of the following:
(c) Before authorizing the merger, acquisition, or control of any electrical, gas, or telephone corporation organized and doing business in this state, if any entity that is a party to the proposed transaction has gross annual California revenues exceeding five hundred million dollars ($500,000,000), the commission shall consider each of the criteria listed in paragraphs (1) to (8), inclusive, and find, on balance, that the merger, acquisition, or control proposal is in the public interest.
(d)
(1) Before authorizing the merger, acquisition, or change in control of any electrical or gas corporation organized and doing business in this state, if any entity that is a party to the proposed transaction has gross annual California revenues exceeding four hundred million dollars ($400,000,000), the commission shall consider the elements in subparagraphs (A) to (G), inclusive, and find, on balance, that the proposal is in the public interest.