The Members Committee Thursday endorsed Tariff revisions requiring new generators to pay for the installation and maintenance of phasor measurement units (PMUs). PJM will pay for the communication link with the PMUs, which provide data that helps PJM in real-time operations and system planning.

The Interconnection Service Agreement will be changed to require installation of PMUs at new interconnections for generators with nameplate ratings of 100MVA or larger. The changes were approved over the objections of generators, with a 71% sector-weighted vote.