If the Legislature provides by law for an open, competitive retail electric energy market for all electricity customers within a service territory:
1. Each person providing electric service in that service territory shall be deemed to be a utility for the purposes of NRS 704.766 to 704.776, inclusive;
2. The Commission or any other agency designated by law to regulate electric service in this State shall prohibit any person providing electric service in the service territory from impeding or interrupting the operation or performance or otherwise restrict the output of an existing net metering system; and
3. A customer-generator must be required to pay any costs charged to other customers of the person providing electric service to the customer-generator in the rate class to which the customer-generator would belong if the customer-generator did not have a net metering system.