Every municipal electric utility and every electric cooperative are hereby authorized to enter into and to fulfill the terms of interlocal cooperation agreements under the authority of title 12, chapter 9, whether or not the parties of such agreements share equal powers with respect to the subject matter of such agreements. For the purpose of entering into agreements authorized under this chapter or entering into an interlocal agreement under title 12, chapter 9, municipal utilities and electric cooperatives are authorized to enter into interlocal agreements, as if each electric cooperative were a “public agency” for the purposes of title 12, chapter 9.