66 Pa.C.S. § 1505: Proper service and facilities established on complaint; authority to order conservation and load management programs.

(a) General rule.--Whenever the commission, after reasonable notice and hearing, upon its own motion or upon complaint, finds that the service or facilities of any public utility are unreasonable, unsafe, inadequate, insufficient, or unreasonably discriminatory, or otherwise in violation of this part, the commission shall determine and prescribe, by regulation or order, the reasonable, safe, adequate, sufficient, service or facilities to be observed, furnished, enforced, or employed, including all such repairs, changes, alterations, extensions, substitutions, or improvements in facilities as shall be reasonably necessary and proper for the safety, accommodation, and convenience of the public.

(b) Authority to order conservation and load management.--In determining or prescribing safe, adequate and sufficient services and facilities of a public utility, the commission may order the utility to establish a conservation or load management program that the commission determines to be prudent and cost-effective.