The Energy Only Queue Cluster 15 RFO is limited to projects seeking Energy Only interconnection in California Independent System Operator (CAISO)'s Queue Cluster 15 (QC 15) and seeking Energy Only Commercial Interest Points in accordance the CAISO's Interconnection Process Enhancements. Eligibility is limited to 'Energy Only' projects that have entered the CAISO QC 15 as Energy Only or confirm they will change their deliverability status to Energy Only to be allocated Energy Only Commercial Interest Points. For Energy Only projects to be allocated CPA's commercial interest points, they must be eligible to receive Energy Only Commercial Interest Points under CAISO's Interconnection Process Enhancement and therefore must be located in a Cluster 15 reimbursement zone. The RFO seeks offers for Renewable Generation Only Contracts, specifically Regular RPS Resources: RPS-eligible generation solar and wind resources, 15 MW – 216 MW in size. PPA tenor must be between 10 and 20 years.