This section does not apply to: taxicabs; powerboat companies; toll bridges; towing and lightering companies; or small rural electric cooperatives described in § 7-502(a) of this article. The Commission shall require each public service company subject to its jurisdiction to formulate and, after approval by the Commission, to implement long-range plans to provide regulated service. The Commission shall require each electric company in the State to include in the long-range plan adequate, cost-effective provisions to promote energy conservation to decrease or moderate electric and, as appropriate, natural gas demand for regulated service from customers. The Commission shall review each plan for adequacy under the criteria of § 2-113 of this subtitle, giving attention to the interrelationship of services of other public service companies and to provisions for research and development to ensure adequate service. As part of the review, and subject to any applicable Freedom of Information Act, the Commission shall consult with other State units and provide an opportunity for public comment. The Commission shall require the revisions to a plan that the Commission considers appropriate unless the authority to review and approve a plan has been granted to another State unit by other law.