(1) The goals of these electricity supply resource planning and procurement guidelines are:

(a) to facilitate a utility's provision of adequate and reliable electricity supply services, stably and reasonably priced, at the lowest long-term total cost;

(b) to promote economic efficiency and environmental responsibility;

(c) to facilitate a utility's financial health;

(d) to facilitate a process through which a utility identifies and cost-effectively manages and mitigates risks related to its obligation to provide electricity supply service; and

(e) to build on the fundamental rate making relationship between the commission and the utility to advance these goals.