To guide the OPA in the development of the updated IPSP, the government issued a Supply Mix Directive on February 17, 2011. This directive outlined the requirements for OPA in developing the updated Plan (IPSP II). Through IPSP II, the OPA was required to meet government’s goals in several areas:
The OPA was required to address certain resource targets while including assumptions about the future demand for electricity and other associated resources. The plan was then to be reviewed by the Ontario Energy Board (OEB) and stakeholders.