Authorizing the Public Service Commission (PSC) to examine all
accounts, books, and records that the PSC determines necessary to
perform its duties under provisions of law, including the accounts,
books, and records of a public service company, a parent of a public
service company, an affiliate of a public service company, and an
affiliate of a parent of a public service company; defining terms; and
providing that the powers and authority conferred by the Act are
supplemental to other powers of the PSC.