(1) Any costs of interconnection are the responsibility of the owner or operator of the qualifying facility entering into a power contract under this chapter. The utility must assess all reasonable interconnection and necessary system or network upgrade costs the utility incurs against a qualifying facility on a nondiscriminatory basis.

(2) The owner or operator of the qualifying facility must reimburse the utility for any reasonable interconnection costs the utility may incur. Such reimbursement may be made, at the utility's election:

(a) At the time the utility invoices the owner or operator of the qualifying facility for interconnection costs incurred by the utility; or

(b) Over an agreed period not greater than the length of any contract between the utility and the qualifying facility.