3.1-3.4 Real Time Operational Considerations

Question 1

When must a GO notify PJM before it brings a unit online?

Answer 1

20 min

Question 2

GO’s must also notify PJM when : (2)

Answer 2

• Any change in MW output (if not following SCED)

- Coming offine

Question 3

How often is the IRC conducted?

Answer 3

Min. once before daily peak (30-45 min prior)

could be more depending on system conditions

Question 4

What reserve types are validated during IRC?

Answer 4

• Operating
• Synchronized
• Quick Start (hydro + other)
• Supplemental

Question 5

How to calculate Operating Reserves (online)

Answer 5

Lesser of:

• ramp rate x 30 min
• spin max - current MW output

Question 6

How to calculate Operating Reserves (offline)

Answer 6

Lesser of:

• offline spin max
• spin ramp rate x (30 min - TSS)

Question 7

How to calculate synchronous reserve

Answer 7

Lesser of:

• spin ramp rate * 10 min
• Spin max - current MW output

Question 8

How to calculate quick start non-synchronous reserve

Answer 8

Lesser of:

• spin ramp rate * (10 min - TSS)
• Spin max