Chapter 1 - Summary

Question 1

What are BSAAs?

Answer 1

Balancing Service Adjustment Actions

Question 2

Who acts as the System Operator (SO)?

Answer 2

National Electricity Transmissions System Operator

Question 3

What does the system operator do?

Answer 3

Takes balancing actions (instructions to a party to increase or decrease generation, or increase or decrease demand)

Question 4

What are the two energy imbalance prices?

Answer 4

• System Buy Price (SBP)

- System Sell Price (SSP)

Question 5

What are the 2 Transmission system balancing types?

Answer 5

• Energy balancing

- System balancing

Question 6

What are the 3 system balancing actions?

Answer 6

• Flagging
• Classification
• Tagging

Question 7

What is Flagging?

Answer 7

This is the flagging of potential balancing actions that may have been used to balance the system and not energy imbalance

Question 8

What is Classification?

Answer 8

This is the second step after balancing, whereby flagged actions are assessed to determine if they were system or energy balancing actions

Question 9

What is tagging?

Answer 9

Tagging is the complete removal of a balancing actions (both volume and price)

Question 10

What happens when an imbalance price cannot be calculated?

Answer 10

The market price is used