Except as otherwise expressly provided, in all respects in which the commission has power and authority under the Constitution of this State or this chapter, applications and complaints may be made and filed with the commission, process issued, hearings held, opinions, orders, and decisions made and filed, petitions for rehearing filed and acted upon, and petitions for writs of review or mandate filed with the Supreme Court of this State, considered and disposed of by the Supreme Court, in regard to the matters provided for in this chapter, in the same manner, under the same conditions and subject to the same limitations, and with the same effect specified in the Public Utilities Act, so far as applicable.