(c) Nothing in this article shall be construed to allow or authorize an electing distribution company, a certificated marketer, or a regulated provider of natural gas to engage in the production, transportation, marketing, or distribution of liquefied petroleum gas; provided, however, that nothing in this article shall be construed to prohibit an electing distribution company from using liquefied petroleum gas to provide for system balancing and peaking services for its distribution system. (Code 1981, § 46-4-164, enacted by Ga. L. 1997, p. 798, § 4; Ga. L. 2002, p. 475, § 20.) The 2002 amendment, effective April 25, 2002, designated the existing provisions as subsection (a) and added subsections (b) and (c).