A tariff mechanism developed by the CAISO to provide supplemental compensation to designated generation assets that are deemed essential to statewide electric reliability. The Flexible Capacity and Local Reliability Resource Retention (FLRR) was designed as a stop-gap measure, enabling uneconomic generation units that would otherwise be retired to continue operating until they are no longer needed.  [Source: California Independent System Operator Corporation
Docket No. ER13-550- 000
Flexible Capacity and Local Reliability Resource Retention Proposal, filed with the Federal Energy Regulatory Commission on December 12, 2012.]