Batteries Flashcards
1
Q
State of charge
A
Current state of battery
2
Q
Depth of discharge
A
Capacity that has been used
3
Q
Round-trip efficiency
A
Ratio of energy recovered to energy input
4
Q
Self discharge rate
A
Decreases shelf life of batteries
5
Q
price formation
A
come up with price of system based on dispatch
6
Q
revenue streams ($/kW-year)
A
vary by node: spinning reserve, energy arbitrage, capacity/DR, energy regulation
7
Q
energy and capacity
A
power plants are compensated for both
8
Q
capacity markets
A
forward markets directing investment or long-term price signals
9
Q
electricity buy/sale
A
bought wholesale, sold retail
10
Q
auction markets
A
resources bid at their total cost of operation
11
Q
clearing price
A
set by most expensive unit needed to meet demand