The consumer counsel may do the following:
(a) Represent residential and small commercial ratepayers before the state corporation commission;
(b) function as an official intervenor in cases filed with the state corporation commission, including rate increase requests;
(c) initiate actions before the state corporation commission;
(d) represent residential and commercial ratepayers who file formal utility complaints with the state corporation commission;
(e) intervene in formal complaint cases which would affect ratepayers; and
(f) make application for a rehearing or seek judicial review of any order or decision of the state corporation commission.