Access to the grid and market
The ISO provides open and non-discriminatory access to the transmission grid, supported by a competitive energy market for resources generating one megawatt or more. Depending on the resource capabilities, market participants can elect to bid into the energy and ancillary services market or sell other electricity products.
Process and requirements
For additional information on the participating generator certification process, fill out the new entrant contact form.
Generator interconnection
The ISO must receive a Seven-Day-To-Parallel Letter and Final Interconnection Approval from Participating Transmission Owner (PTO) or Utility Distribution Company (UDC) a minimum of 7 days prior to initial synchronization to the California ISO Grid.
To participate in the market, generators must enter into a participating generator agreement (PGA) with the ISO.
Metering and telemetry
The ISO facilitates the timely installation and certification of revenue metering, as well as telemetry for participating generating units.
Options for participating generators
The ISO provides opportunities for a range of resource types.
Distributed generation
Generation developers seeking interconnection to a local distribution system must arrange for interconnection with the local utility and with ISO if they wish to participate in the wholesale market.
Ancillary services
Ancillary Services Certification is required for Participating Generators and Participating Load to bid Ancillary Services.