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IESO Announces Results of Regulation Service RFP

November 30, 2017

Two new energy storage facilities have been selected through a competitive process to provide a combined 55 megawatts (MW) of regulation service, an important reliability function that corrects for short-term changes in electricity use and helps compensate for real-time supply and demand imbalances.

Under the 2017 regulation request for proposals (RFP), the IESO received 42 submissions representing approximately 350 MW of regulation capacity from a variety of existing and new build facilities, including energy storage and waterpower facilities.

Two proposals were selected to provide this service:

  • Hecate Energy Ontario Storage VII, LP
  • Saturn Power Inc.

These successful projects represent one of largest reductions in per-unit regulation costs since Ontario’s electricity market opened.

The 55 MW procured through this process will complement the 100 MW of regulation service that is typically scheduled every hour to help ensure the reliable operation of the power system.

The IESO will continue to perform regular operability assessments to determine if additional regulation service is required.

Learn more about regulation service.

Read more about the drivers of the need for increased regulation service in the 2016 IESO Operability Assessment Summary

Read the IESO’s news release.

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