MOD-025-2 purpose is to ensure that accurate information on generator gross and net Real and Reactive Power capability and synchronous condenser Reactive Power capability is available for planning models used to assess Bulk Electric System (BES) reliability. A Standard Authorization Request (SAR) was developed to revise MOD-025-2 to address issues regarding verification and data reporting of generator active and reactive power capability. As stated in the SAR, implementation of the standard has rarely produced data that is suitable for planning models (i.e., the stated purpose of the standard).
The current MOD-025-2 verification testing activities require significant time, expertise, and coordination. However they do not result in data that could be used by planners for modeling purposes. The SAR aims to retain testing activities that are useful and focus on more effective means of collecting useful data for planning models.
The current industry need for this standards project is that industry implementation of MOD-025-2. Has not resulted in useful unit capability data being provided for planning models of generating resources and synchronous condensers (i.e., the purpose statement of the standard). The primary reliability benefit of this project will be to correct these issues such that suitable and accurate data. That can be established through the verification activities performed by respective equipment owners. BPS planning assessments rely on accurate data, including machine active and reactive power capability. To identify potential reliability risks and develop mitigating actions for those risks.
MOD-025-2 verification testing activities require significant time, expertise, and coordination. However, they do not result in data that should be used by planners for modeling purposes. The current standard does allow for optional calculations to be performed to help facilitate better information sharing. However, calculations are not required nor can be used in many cases when auxiliary equipment limits. Or system operating conditions prohibit reaching the actual machine capability or limiters. This standards’ project will address these issues.