Ancillary Services
Ancillary services help balance the transmission system as it moves electricity from generating sources to ultimate consumers. PJM operates several markets for ancillary services:
In both Day-Ahead and Real-Time
- The Synchronized Reserve Market
- The Non-Synchronized Reserve Market
- The Secondary Reserve Market
In Real-Time only
Learn more about ancillary services at the Learning Center.
Black Start Service
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Revenue Requirements |
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